Grandstream Networks GDS3705 User manual

Grandstream Networks, Inc.
GDS3705
Audio Door Access System
User Manual

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GDS3705 User Manual
Version 1.0.1.16
COPYRIGHT
©2021 Grandstream Networks, Inc. http://www.grandstream.com
All rights reserved. Information in this document is subject to change without notice. Reproduction or
transmittal of the entire or any part, in any form or by any means, electronic or print, for any purpose without
the express written permission of Grandstream Networks, Inc. is not permitted.
The latest electronic version of this user manual is available for download here:
http://www.grandstream.com/support
Grandstream is a registered trademark and Grandstream logo is trademark of Grandstream Networks, Inc.
in the United States, Europe and other countries.
CAUTION
Changes or modifications to this product not expressly approved by Grandstream, or operation of this
product in any way other than as detailed by this User Manual, could void your manufacturer warranty.
WARNING
Please do not use a different power adaptor with your devices as it may cause damage to the products and
void the manufacturer warranty.

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GDS3705 User Manual
Version 1.0.1.16
FCC Compliance Statement
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions:
(1) The device may not cause harmful interference, and (2) This device must accept any interference
received, including interference that may cause undesired operation.
Important: Any changes or modification not expressly approved by the party responsible for compliance
could void the user’s authority to operate the equipment.
Note: This equipment has been tested and found to comply with limits for a Class B digital device, pursuant
to Part 15 of the FCC Rules.
These limits are designed to provide reasonable protection against harmful interference in a residential
installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed
and used in accordance with instructions, may cause harmful interference to radio communications.
However, there is no guarantee that interference will not occur in a particular installation.
If this equipment does cause harmful interference to radio or television reception, which can be determined
by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more
of the following measures:
•Reorient or relocate the receiving antenna.
•Increase the separation between the equipment and receiver.
•Connect the equipment into an outlet on a circuit different from that to which the receiver is
connected.
•Consult the dealer or an experienced radio/TV technician for help.

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GDS3705 User Manual
Version 1.0.1.16
CE Declaration of Conformity
This transmitter complies with the essential requirements and provisions of directives 2014/53/EU,
2014/30/EU, 2015/35/EU and subsequent amendments, according to standards
ETSI EN 300 330 V2.1.1 (2017-02);
ETSI EN 301 489-1 V2.1.1 (2017-02); ETSI EN 301 489-3 V2.1.1 (2017-03);
EN 60950-1: 2006+A11:2009+A1:2010+A12:2011+A2:2013: EN 62311: 2008
Manufacturer:
Grandstream Networks, Inc.
126 Brookline Ave, 3rd Floor Boston, MA 02215, USA
Channel Frequency: 125 KHz
Channel Number: 1
Antenna Type / Gain: Internal
Type of Modulation: ASK
Operation temperature: -30 °C ~ +60 °C
Storage temperature: -35 °C ~ +60 °C
Humidity: 10 ~ 90% non-condensing

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GDS3705 User Manual
Version 1.0.1.16
GNU GPL INFORMATION
GDS3705 firmware contains third-party software licensed under the GNU General Public License (GPL).
Grandstream uses software under the specific terms of the GPL. Please see the GNU General Public
License (GPL) for the exact terms and conditions of the license.
Grandstream GNU GPL related source code can be downloaded from Grandstream web site from:
http://www.grandstream.com/support/faq/gnu-general-public-license/gnu-gpl-information-download

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GDS3705 User Manual
Version 1.0.1.16
Table of Contents
CHANGE LOG..............................................................................................................14
Firmware Version 1.0.1.16 ..............................................................................................................14
Firmware Version 1.0.1.11 ..............................................................................................................14
Firmware Version 1.0.1.6 ................................................................................................................14
Firmware Version 1.0.1.3 ................................................................................................................14
Firmware Version 1.0.0.41 ..............................................................................................................15
Firmware Version 1.0.0.37 ..............................................................................................................15
Firmware Version 1.0.0.36 ..............................................................................................................15
Firmware Version 1.0.0.35 ..............................................................................................................16
Firmware Version 1.0.0.31 ..............................................................................................................16
Firmware Version 1.0.0.28 ..............................................................................................................16
Firmware Version 1.0.0.26 ..............................................................................................................16
Firmware Version 1.0.0.20 ..............................................................................................................16
DOCUMENT PURPOSE ...............................................................................................17
WELCOME ...................................................................................................................18
PRODUCT OVERVIEW ................................................................................................19
Feature Highlights ..........................................................................................................................19
Technical Specifications..................................................................................................................19
GETTING STARTED.....................................................................................................21
Equipment Packaging.....................................................................................................................21
Description of the GDS3705 ...........................................................................................................22
Connecting and Setting up the GDS3705........................................................................................22
GDS3705 Wiring Connection..........................................................................................................23
GDS3705 Back Cover Connections ................................................................................................24
Connection Example.......................................................................................................................24
Power GDS3705 using PoE.....................................................................................................25

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GDS3705 User Manual
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Power GDS3705 using PSU ....................................................................................................25
GETTING TO KNOW GDS3705 ...................................................................................26
Connecting GDS3705 to Network with DHCP Server ......................................................................26
Windows Platform....................................................................................................................26
UPnP..............................................................................................................................................26
GS Search......................................................................................................................................27
GDS Manager Utility Tool................................................................................................................28
Connect to the GDS3705 using Static IP.........................................................................................29
GDS3705 APPLICATION SCENARIOS .......................................................................31
Peering Mode without SIP Server ...................................................................................................31
Peering using SIP Server (UCM6XXX)............................................................................................31
GDS3705 PERIPHERAL CONNECTIONS ...................................................................33
Alarm IN/OUT.................................................................................................................................34
Protection Diode.............................................................................................................................35
Connection Examples.....................................................................................................................35
Wiring Sample using 3rd Party Power Supply ...........................................................................36
Wiring Sample using Power Supply for both GDS3705 and Electric Strike................................36
Wiring Sample using PoE to power GDS3705 and 3rd Party Power Supply for Electric Strike....37
Good Wiring Sample for Electric Strike and High-Power Device ...............................................38
Wiegand Module Wiring Examples..................................................................................................38
Input example with 3rd party power supply for Wiegand device .................................................38
Input example with power supply for both GDS3705 and Wiegand device................................39
Output example with 3rd party power supply for Wiegand device ..............................................40
Wiegand RFID Card Reader Example......................................................................................40
Siren alarming when door opened abnormally.................................................................................41
GDS3705 Connection: IN2 set as Normal Close and “Fail Safe” Electric Strike using 3rd Party
Power Supply ..........................................................................................................................41
GDS3705 Connection: IN2 set as Normal Open and “Fail Secure” Electric Strike using 3rd Party
Power Supply ..........................................................................................................................42
Open Door via GDS3705 with or without a SIP Call.........................................................................43

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GDS3705 User Manual
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Door opening with SIP Call ......................................................................................................44
Door opening without SIP Call .................................................................................................44
Secure Open Door via GDS3705/GSC3570 Peering.......................................................................45
GDS3705 HOME WEB PAGE.......................................................................................48
GDS3705 SETTINGS....................................................................................................49
Door System Settings .....................................................................................................................49
Basic Settings..........................................................................................................................49
Using Alarm Out (COM 1) to Control a Second Door........................................................................56
Keep Door Open......................................................................................................................60
Card Management...................................................................................................................62
Add Users Manually........................................................................................................................62
Add Users Automatically .................................................................................................................64
Users Operation..............................................................................................................................64
Group......................................................................................................................................65
Schedule .................................................................................................................................65
Holiday ....................................................................................................................................66
System Settings..............................................................................................................................67
Date & Time Settings...............................................................................................................67
Network Settings .....................................................................................................................68
OpenVPN® Settings................................................................................................................69
Access Settings.......................................................................................................................71
User Management ...................................................................................................................72
Factory Functions....................................................................................................................74
Account ..........................................................................................................................................75
Account 1 - 4 ...........................................................................................................................75
Phone Settings ...............................................................................................................................79
Phone Settings ........................................................................................................................79
Account [1-4] White List...........................................................................................................81
Audio Settings ................................................................................................................................82
Audio Settings .........................................................................................................................82

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GDS3705 User Manual
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Alarm Config...................................................................................................................................83
Alarm Events Config ................................................................................................................83
Input Digit.......................................................................................................................................84
Alarm Output ..................................................................................................................................85
Silently Alarm Mode........................................................................................................................85
Hostage Code.................................................................................................................................86
Tamper Alarm.................................................................................................................................86
Keypad Input Error Alarm................................................................................................................86
Non-Scheduled Access Alarm.........................................................................................................86
Alarm Schedule Settings..........................................................................................................87
Alarm Action When Illegal Card Swiped ...................................................................................88
Alarm Action Settings...............................................................................................................89
Alarm Phone List .....................................................................................................................90
Email Settings ................................................................................................................................91
Email Settings .........................................................................................................................91
Maintenance Settings .....................................................................................................................92
Upgrade ..................................................................................................................................93
Reboot & Reset .......................................................................................................................94
Debug Log...............................................................................................................................95
Data Maintenance ...................................................................................................................95
System Health Alert .................................................................................................................96
Event Notification.....................................................................................................................97
Event Log................................................................................................................................98
Certificates ..............................................................................................................................99
Status...........................................................................................................................................101
Account Status ......................................................................................................................101
System Info ...........................................................................................................................101
Network Info ..........................................................................................................................103
FACTORY RESET ......................................................................................................105
Restore to Factory Default Via Web GUI .......................................................................................105
Hard Factory Reset.......................................................................................................................105

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GDS3705 User Manual
Version 1.0.1.16
Restore to Factory Default Via SIP NOTIFY..................................................................................107
Reset Factory Password Via Special Key Combination Operation.................................................108
EXPERIENCING THE GDS3705 ................................................................................ 110
Table of Tables
Table 1: GDS3705 Features in a Glance................................................................................................19
Table 2: GDS3705 Technical Specifications ...........................................................................................19
Table 3: Equipment Packaging...............................................................................................................21
Table 4: GDS3705 Wiring Connection....................................................................................................23
Table 5: Door System Settings...............................................................................................................50
Table 6: Immediate Door-Open Table.....................................................................................................60
Table 7: Schedule Keep Door Open.......................................................................................................61
Table 8: Card Info ..................................................................................................................................63
Table 9: Add Group................................................................................................................................65
Table 10: Date & Time ...........................................................................................................................68
Table 11: Basic Settings.........................................................................................................................69
Table 12: Access Settings......................................................................................................................71
Table 13: User Management..................................................................................................................73
Table 14: User Management..................................................................................................................75
Table 15: SIP Account Basic & Advanced Settings .................................................................................76
Table 16: Phone Settings.......................................................................................................................80
Table 17: White List ...............................................................................................................................82
Table 18: Audio Settings Page ...............................................................................................................82
Table 19: Input Digit...............................................................................................................................84
Table 20: Silently Alarm Mode................................................................................................................85
Table 21: Hostage Code Alarm ..............................................................................................................86
Table 22: Tamper Alarm .........................................................................................................................86
Table 23: Keypad Input Error Alarm........................................................................................................86
Table 24: Non-Scheduled Access Alarm.................................................................................................86
Table 25: Alarm Actions .........................................................................................................................90
Table 26: Alarm Phone List ....................................................................................................................91
Table 27: Email Settings - SMTP............................................................................................................92
Table 28: Upgrade .................................................................................................................................93
Table 29: Reset & Reboot ......................................................................................................................94
Table 30: System Health Alert ................................................................................................................97
Table 31: System Info ..........................................................................................................................102
Table 32: Network Info .........................................................................................................................104

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GDS3705 User Manual
Version 1.0.1.16
Table of Figures
Figure 1: GDS3705 Package .................................................................................................................21
Figure 2: GDS3705 Front View ..............................................................................................................22
Figure 3: GDS3705 Back View...............................................................................................................22
Figure 4: GDS3705 Back Cover Connections ........................................................................................24
Figure 5: GDS3705 Back Cover.............................................................................................................24
Figure 6: Connection Example...............................................................................................................25
Figure 7: Powering the GDS3705 ..........................................................................................................25
Figure 8: Detecting GDS3705 via UPnP.................................................................................................26
Figure 9: GDS3705 Login Page .............................................................................................................27
Figure 10: GS Search Discovery............................................................................................................28
Figure 11: GDS3705 Detection using GDS Manager..............................................................................29
Figure 12: Static IP on Windows ............................................................................................................30
Figure 13: Peering GDS3705 with UCM6XXX........................................................................................32
Figure 14: Peripheral Connections for GDS3705....................................................................................33
Figure 15: Alarm_In/Out Circuit for GDS3705.........................................................................................34
Figure 16: Protection Diode - Example 1................................................................................................35
Figure 17: Protection Diode - Example 2................................................................................................35
Figure 18: 3rd party Power Supply Wiring Sample ..................................................................................36
Figure 19: Power Supply used for both GDS3705 and Electric Strike .....................................................36
Figure 20: Wiring Sample using PoE to power GDS3705 and 3rd party Power Supply for Electric Strike .37
Figure 21: Example to Avoid when Powering the Electric Strike .............................................................37
Figure 22: Electric Strike and High-Power Device Example....................................................................38
Figure 23: Wiegand Input Example with 3rd party Power Supply.............................................................38
Figure 24: Wiegand Input Example with Power Supply for GDS3705 and Wiegand Device ....................39
Figure 25: Wiegand Output Wiring Example...........................................................................................40
Figure 26: Wiegand RFID Card Reader Example...................................................................................40
Figure 27: Digital Input set as Normal close ...........................................................................................41
Figure 28: “Fail safe” Electric Strike using 3rd Party Power Supply.........................................................42
Figure 29: Digital Input set as Normal open............................................................................................42
Figure 30: “Fail Secure” Electric Strike using 3rd Party Power Supply ....................................................42
Figure 31: GDS3705 Configuration Example..........................................................................................43
Figure 32: GSC3570 Configuration Example..........................................................................................44
Figure 33: Open Door with SIP Call .......................................................................................................44
Figure 34: Open Door without SIP Call...................................................................................................45
Figure 35: Open Door without SIP Call...................................................................................................45
Figure 36: GSC3570 secure open door via GDS3705 ............................................................................46
Figure 37: GDS3505 Web GUI configuration for secure open door with GSC3570 .................................47
Figure 38: GSC3570 Web GUI configuration for secure open with GDS3705 .........................................47

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GDS3705 User Manual
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Figure 39: Change Language Page .......................................................................................................48
Figure 40: Door System Settings Page ..................................................................................................49
Figure 41: Alarm_Out1 Feature..............................................................................................................56
Figure 42: Universal Local PIN ..............................................................................................................57
Figure 43: Remote PIN to Open Door ....................................................................................................58
Figure 44: Right of Card and Private PIN ...............................................................................................59
Figure 45: Keep Door Open...................................................................................................................60
Figure 46: Immediate Door Open...........................................................................................................60
Figure 47: Schedule Door Open.............................................................................................................61
Figure 48: Modify Schedule ...................................................................................................................61
Figure 49: Card Management ................................................................................................................62
Figure 50: Card Info...............................................................................................................................63
Figure 51: Add Group ............................................................................................................................65
Figure 52: Groups List ...........................................................................................................................65
Figure 53: Edit Schedule Time ...............................................................................................................66
Figure 54: Edit Holiday Time..................................................................................................................67
Figure 55: Date & Time Page.................................................................................................................67
Figure 56: Basic Settings Page..............................................................................................................68
Figure 57: OpenVPN Settings page .......................................................................................................70
Figure 58: Access Settings Page ...........................................................................................................71
Figure 59: User Management Page .......................................................................................................72
Figure 60: Recover Password................................................................................................................73
Figure 61: Recover Password - Email Address.......................................................................................74
Figure 62 : Factory Functions Page .......................................................................................................75
Figure 63: SIP Account Settings Page....................................................................................................76
Figure 64: Phone Settings Page ............................................................................................................80
Figure 65: White List Page.....................................................................................................................81
Figure 66: Audio Settings Page..............................................................................................................82
Figure 67: Events Page .........................................................................................................................83
Figure 68: Input Digit .............................................................................................................................84
Figure 69: Alarm Schedule.....................................................................................................................87
Figure 70: Edit Schedule........................................................................................................................88
Figure 71: Enable Non-authorized RFID Card Access Alarm ..................................................................88
Figure 72: Alarm action profile example for illegal card swipe .................................................................89
Figure 73: Alarm Action..........................................................................................................................89
Figure 74: Edit Alarm Action...................................................................................................................90
Figure 75: Alarm Phone List...................................................................................................................91
Figure 76: Email Settings - SMTP Page.................................................................................................92
Figure 77: Upgrade Page.......................................................................................................................93
Figure 78: Reset & Reboot Page ...........................................................................................................94
Figure 79: Debug Log Page...................................................................................................................95
Figure 80: Data Maintenance Page........................................................................................................96

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GDS3705 User Manual
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Figure 81: System Health Alert Page .....................................................................................................97
Figure 82: Event Notification..................................................................................................................98
Figure 83: Event Log .............................................................................................................................99
Figure 84: Upload Certificate files ........................................................................................................100
Figure 85: Account Status Page...........................................................................................................101
Figure 86: System Info Page................................................................................................................102
Figure 87: Network Info Page ..............................................................................................................103
Figure 88: Reset via Web GUI .............................................................................................................105
Figure 89: Wiegand Interface Cable.....................................................................................................106
Figure 90: Wiegand Cable Connection.................................................................................................106

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GDS3705 User Manual
Version 1.0.1.16
CHANGE LOG
This section documents significant changes from previous versions of user manual for GDS3705. Only
major new features or major document updates are listed here. Minor updates for corrections or editing are
not documented here.
Firmware Version 1.0.1.16
Added open door without SIP call when paired with GSC3570. [Door opening without SIP Call]
Added scheduled Auto Reboot. [Auto Reboot]
Enhanced open door via 3rd party Webrelay ON/OFF URL. [Door System Settings]
Added Alarm Action triggering when illegal card swiped. [Alarm Action When Illegal Card Swiped]
Added enable/disable password display on Web UI when using HTTPs. [Enable PIN/Password
Display (HTTPs)]
Added secure open door with GDS3705/GSC3570 setup. [Secure Open Door via
GDS3705/GSC3570 Peering]
Added the time zone GMT-03:30 for Newfoundland. [Time Zone]
Firmware Version 1.0.1.11
Added OpenVPN® support. [OpenVPN® Settings]
Added WebRelay Open Door Feature. [Door Relay Options]
Increased Unlock Holding Time to 30 minutes. [Unlock Holding Time]
Changed SIP Account Name to Display Name. [Display Name]
Added reboot/resync via SIP Notify. [Disable SIP NOTIFY Authentication]
Firmware Version 1.0.1.6
Added support for failover mechanism based on DNS SRV. [DNS Mode]
Added siren alarming function when door opened abnormally (special wiring required). [Siren
alarming when door opened abnormally]
Added including Holidays at Keep Door Open schedule. [Holiday Mode]
Added reset/restore factory default password via special keypad combination operations. [Reset
Factory Password]
Firmware Version 1.0.1.3
Added support for re-registration before expiration. [Re-register before Expiration (s)]
Enhanced security and prevent ghost calls. [Accept Incoming SIP from Proxy Only]
Added support for DHCP Option 42. [Allow DHCP Option 42 to override NTP server]
Added support for Voice Frame Per TX at audio settings. [Voice Frame Per TX]
Added support of separated webUI credentials for GDSManager. [GDSManager Configuration
Password]

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GDS3705 User Manual
Version 1.0.1.16
Added support for G.729 audio codec. [Technical Specifications] [Preferred Vocoder]
Added ability to enable multiple audio codecs simultaneously and specify priority of codecs.
[Preferred Vocoder]
Added support for randomize firmware upgrade and provisioning. [Upgrade]
Firmware Version 1.0.0.41
Added support for second door control via Alarm Output 1. [Using Alarm Out (COM 1) to Control a
Second Door]
Added support for “Normal Open” or “Normal Close” setting when Alarm Out1 is set to Open Door.
[ALMOUT1 Status]
Added option to specify digital input to be normal Open or normal Close. [Digit Input 1 Status]
Added support for using Digit Only as Private PIN. [Local PIN Type]
Added support for System Health Alerts via Email. [System Health Alert]
Added option to upload custom doorbell ringtone. [Enable Custom Doorbell Ringtone]
Added option to disable WEB/SSH access. [Access Settings]
Added option for calling out automatically without pressing #. [No Key Input Timeout(s)]
Added option to disable SIP dialing from GDS keypad. [Disable Keypad SIP Number Dialing]
Added option to set Schedule for “Local PIN to Open Door”. [Local PIN to Open Door Schedule]
Added option to customize DTMF Payload. [DTMF Payload Type]
Added RTCP/RTCP-XR for SIP Call. [Technical Specifications] [Enable RTCP]
Added Boot version information into System status. [System Info]
Enhanced security by only allowing numbers existing under “White List” to open the door remotely
when call is initiated from GDS3705. [Remote PIN to Open the Door]
Added option to synchronize Keep Door Open from GDSManager version 1.0.1.1 or later. [Central
Mode]
Firmware Version 1.0.0.37
Added event log showing the users (Username) opening door via private PIN [Event Log]
Added SIP NOTIFY to factory reset [Allow Reset Via SIP NOTIFY] [Restore to Factory Default Via
SIP NOTIFY]
Added option to disable outbound proxy route header [Outbound Proxy Mode]
Added option to verify received SIP Message [Validate Incoming Messages]
Firmware Version 1.0.0.36
Added support for special character “@” in the SIP User ID. [SIP User ID]
Added SIP password hided and not visible in the Web UI. [Password]
Extended VLAN range from 0-4094. [Layer 2 QoS 802.1Q/VLAN Tag]
Added ability to configure device with custom certificate signed by custom CA certificate
[Certificates]
Added option to display device temperature in Fahrenheit. [System Temperature]

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GDS3705 User Manual
Version 1.0.1.16
Firmware Version 1.0.0.35
Added option to assign a schedule to the doorbell. [Press Doorbell Schedule]
Added option to set the maximum number of digits dialed. [Maximum Number of Dialed Digits]
Added support for Parallel Hunting when doorbell pressed. [Door Bell Call Mode]
Added firmware check status button. [Firmware Status]
Added Account section. [Account]
Enhanced Event Notification Template Variables. [Event Notification]
Added Random Port option. [Use Random Port]
Added NAT Traversal option. [NAT Traversal]
Added Doorbell Call Out Account. [Doorbell Call Out Account]
Add ability to set schedule for Alarm IN door opening. [Input Digit]
Added Account Status section. [Account Status]
Firmware Version 1.0.0.31
Added “Enabled but Not Forced; Enabled and Forced” under SRTP Configuration. [Enable SRTP]
Firmware Version 1.0.0.28
Added alarm notification of non-scheduled access users. [Non-Scheduled Access Alarm]
Added support for HTTP command to Open Door [Enable HTTP API Remote Open Door]
Added Keep Door Open section. [Keep Door Open]
Added "Test" Button for Alarm Action. [Alarm Config]
Firmware Version 1.0.0.26
Added displaying logs at device Web UI. [Event Log]
Added ability to upload Trusted CA certificate files. [Trusted CA certificate ]
Added option to enable/disable certificate validation. [Validate Server Certificate]
Added Ability to configure Start/End Valid date for users. [Card Management]
Changed password recovery email option to user settings page. [User Management]
Added UI showing Temperature/TamperSensor/DoorControl/DI/DO in the System Info Page
[System Info]
Added Support for system events notification via HTTP. [Event Notification]
Added Factory Functions for Audio Loopback and Certificate Verification. [Factory Functions]
Firmware Version 1.0.0.20
This is the initial version for GDS3705.

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GDS3705 User Manual
Version 1.0.1.16
DOCUMENT PURPOSE
This document describes the basic concept and tasks necessary to use and configure your GDS3705. And
it covers the topic of connecting and configuring the GDS3705, making basic operations and the call
features. Please visit http://www.grandstream.com/support to download the latest “GDS3705 User Manual”.
This guide covers following topics:
Product Overview
Getting Started
Getting to Know GDS3705
GDS3705 Application Scenarios
GDS3705 Peripheral Connections
GDS3705 Home Web Page
GDS3705 Settings
Factory Reset
Experiencing the GDS3705

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GDS3705 User Manual
Version 1.0.1.16
WELCOME
Thank you for purchasing Grandstream GDS3705 Audio Door Access System, an innovative IP based
powerful door system. The GDS3705 Audio Door Access system features industry-leading SIP/VoIP for 2-
way audio to SIP phones. It contains integrated PoE, HD loudspeaker, RFID card reader, and more.
GDS3705 IP Audio Door Access System can be managed by Grandstream’s free windows-based
management software: GDS Manager is a client/server based software which provided RFID card
management and basic reports for the door entrance. GDS3705 is ideal for entry places such as banks,
hotels, schools, office buildings, retail stores and small warehouses.

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GDS3705 User Manual
Version 1.0.1.16
PRODUCT OVERVIEW
Feature Highlights
The following table contains the major features of the GDS3705.
Table 1: GDS3705 Features in a Glance
4 SIP accounts and 4 lines.
Broad interoperability with most 3rd party SIP/VoIP devices and leading
SIP/NGN/IMS platforms.
2 Channels Input/Output alarm.
RS485, Wiegand (26 bits) Input and Output.
RFID card reader.
Weather proof, vandal resistant.
Technical Specifications
The following table resumes all the technical specifications including the protocols / standards supported,
voice codecs, telephony features and upgrade/provisioning settings for GDS3705.
Table 2: GDS3705 Technical Specifications
Network Protocols
TCP/IP/UDP, RTP/RTCP/RTCP-XR, HTTP/HTTPS local upload and mass
provisioning using TR-069 (pending), ARP/RARP, ICMP, DNS, DHCP, SSH,
SMTP, NTP, STUN, TLS, SRTP.
SIP/VoIP Support
Broad interoperability with most 3rd party SIP/VoIP devices and leading
SIP/NGN/IMS platforms.
Voice Codecs
G.711µ/a-law, G.722, G.729A/B, DTMF (RFC2833, SIP INFO), AEC.
QoS
Layer 2 QoS (802.1Q, 802.1P).
Security
User and administrator level access control (pending), MD5 and MD5-sess based
authentication, 256-bit AES encrypted configuration file, TLS, SRTP, HTTPS,
802.1Q.
Upgrade /
Provisioning
Firmware upgrade via HTTP/HTTPS, mass provisioning using TR-069 (Pending) or
AES encrypted XML configuration file.
Audio Input
Integrated dual microphones.
Audio Output
Built-in HD Loudspeaker (2 Watt), sound quality suitable for up to 3 m.
Keypad / Buttons
12-Metal Keys plus a Metal doorbell button.
RFID
125KHz: EM4100 (1 RFID card and 1 RFID key fob included).

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Version 1.0.1.16
Alarm Input
Yes, 2 channels, Vin < 15V, for door sensor or other devices.
Alarm Output
Yes, 2 channels, 125VAC/0.5A, 30VDC/2A, Normal Open or Normal Close, for
electric lock, light switch or other devices.
Network Interface
10M/100M auto-sensing.
Expansion Interface
RS485, Wiegand (26 bits) input and output.
Dimensions and
Weight
173mm(H) x 80mm(W) x 36mm(D).
0.6 Kg.
Power Supply
PoE (Power over Ethernet) IEEE 802.3af Class 3, or 12VDC/1A connection (AC
power adapter not included).
Ingress Protection
Weather proof, vandal resistant, with support for extra back reinforcing metal plate
Temperature and
Humidity
Operation: -30°C to 60°C (-22°F to 140°F)
Storage: -35°C to 60°C (-31°F to 140°F)
Humidity: 10% to 90% Non-condensing
Protection Class
IP66 (EN60529), IK09 (IEC62262).
Compliance
FCC: Part 15; Subpart B; Subpart C; MPE
CE: EN 55032; EN 50130; EN 61000-3-2; EN 61000-3-3; EN 60950-1; EN 300 330;
EN 301 489-1; EN 301 489-3; EN 62311
RCM: AS/NZS CISPR 22/24; AS/NZS 4268; AS/NZS 60950.1
IC: ICES-003; RSS310