Grandstream Networks GXP17 Series User manual

Grandstream Networks, Inc.
GXP17xx Series
User Guide

GXP17xx Series – User Guide
Thank you for purchasing Grandstream GXP1760/GXP1760W/GXP1780/GXP1782 mid-range IP phones.
The GXP1760/GXP1760W is a mid-range IP phone with integrated dual-band Wi-Fi (For GXP1760W only), a sleek design and moderate
call-volume features. It comes equipped with 6 lines, 3 SIP accounts, 6 dual-color line keys and 4 XML programmable context sensitive
soft keys on a 200 x 80 pixel (3.3”) back-lit LCD display screen. For added personalization the GXP1760W features personalized ring
tone/ring back tone music and integration with advanced web and enterprise applications. The GXP1760W features dual auto-sensing
10/100Mbps network ports and offers automated provisioning features with media access control. This mid-range IP phone delivers
outstanding performance and design to users worldwide at a budget-friendly price point.
The GXP1780/1782 is a powerful mid-range IP phone with advanced telephony features. This mid-range IP phone comes equipped
with 8 lines, 4 SIP accounts, 8 dual-color line keys and 4 XML programmable context sensitive soft keys on a 200 x 80 pixel (3.3”) back-
lit LCD display screen. For added personalization the GXP1780/1782 features personalized ring tone/ring back tone music and
integration with advanced web and enterprise applications. It is also one of the first Grandstream phones to come equipped with a
Kensington Security Slot— one of the most popular anti-theft solutions on the market. The GXP1780/1782 supports the fastest
possible connection speeds with dual auto-sensing Gigabit network ports (on GXP1782 only) as well as automated provisioning
features with media access control. The GXP1780/1782 is the perfect fit for users looking for a featured-pack IP phone that delivers
high performance and design at an affordable price point.
PRODUCT OVERVIEW
Feature Highlights
The following table contains the major features of the GXP1760W/GXP1780/GXP1782:
GXP1760/GXP1760W
6 lines
200*80-pixel backlit LCD display
4 XML programmable Softkeys
8 Dedicated function Keys
5-way conference
Wi-Fi support (For GXP1760W only)
GXP1780/GXP1782
8 lines
200*80-pixel backlit LCD display
4 XML programmable Softkeys
8 Dedicated function Keys
5-way conference
Table 1: GXP1760/GXP1760W/GXP1780/GXP1782 Features at a Glance

GXP1760/GXP1760W Technical Specifications
The following table defines all the technical specifications including the protocols / standards supported, voice codecs, telephony
features, languages, and upgrade/provisioning settings for GXP1760W.
Protocols/
Standards
SIP RFC3261, TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP, ICMP, DNS (A record, SRV, NAPTR), DHCP, PPPoE, TELNET,
TFTP, NTP, STUN, SIMPLE, LLDP, LDAP, TR-069, 802.1x, TLS, SRTP, IPv6.
Network
Interface Dual switched auto-sensing 10/100 Mbps Ethernet ports with integrated PoE.
Wi-Fi Yes, integrated dual-band Wi-Fi 802.11 a/b/g/n/ac (2.4Ghz & 5Ghz). (GXP1760W only
Graphic
Display 200×80-pixel (3.3”) backlit LCD display.
Features
Keys
6 line keys with up to 3 SIP accounts, 4 XML programmable context sensitive Softkeys, 5 navigation/menu keys, 8
dedicated function keys for: PHONEBOOK, TRANSFER, CONFERENCE, HEADSET, MUTE, SEND/REDIAL,
SPEAKERPHONE, VOLUME.
Voice
Codecs
Support for G.729A/B, G.711µ/a-law, G.726, G.722 (wide-band), G.723, iLBC, OPUS, in-band, and out-of-band DTMF (in
audio, RFC2833, SIP INFO).
Auxiliary
Ports
RJ9 headset jack (allowing EHS with Plantronics headsets), USB, and a separate EHS port reserved for external EHS
adapter in the future.
Telephony
Features
Hold, transfer, forward, 5-way conference, call park, call pickup, shared-call-appearance (SCA) / bridged-line-
appearance (BLA), downloadable phonebook (XML, LDAP, up to 2000 items), call waiting, call log (up to 500 records),
XML customization of screen, off-hook auto dial, auto answer, click-to-dial, flexible dial plan, Hot Desking,
personalized music ringtones and music on hold, server redundancy and fail-over.
HD Audio Yes, HD handset and speakerphone with support for wideband audio.
Base
Stand Yes, 2 angle positions available. Wall Mount stand sold separately.
QoS Layer 2 QoS (802.1Q, 802.1p) and Layer 3 (ToS, DiffServ, MPLS) QoS.
Security User and administrator level passwords, MD5 and MD5-sess based authentication, 256-bit AES encrypted
configuration file, SRTP, TLS, 802.1x media access control, Kensington Security Slot (Kensington Lock) support.
Multi-
Language
LCD Language: Arabic Czech German English Spanish French Croatian Hungarian Italian Japanese Korean Dutch
Polish Portuguese Russian Turkish Traditional Chinese Simplified Chinese Hebrew
WebUI Language: English 简体中文 (Simplified Chinese) 繁體中文 (Traditional Chinese) ﺔﻴﺑﺮﻌﻟا (Arabic) Czech Deutsch
(German) Español (Spanish) Français (French) תירבע (Hebrew) Hrvatski (Croatian) Magyar (Hungarian) Italiano (Italian)
日本語 (Japanese) 한국어 (Korean) Nederlands (Dutch) Polski (Polish) Português (Portuguese) Русский (Russian)
Slovenščina (Slovenian) Türkçe (Turkish
Upgrade/
Provisioni
ng
Firmware upgrade via TFTP / HTTP / HTTPS, mass provisioning using TR-069 or AES encrypted XML configuration file.

Power &
Green
Energy
Efficiency
Universal power adapter included, Input: 100-240V, Output +5V, 1A.
Integrated Power-over-Ethernet (802.3af).
Max power consumption: 5W.
Physical
Dimension: 231mm(W) x 167mm(L) x 86mm(H).
Unit weight: 0.925kg.
Package weight: 1.55kg.
Temperatu
re and
Humidity
Operation: 0°C to 40°C.
Storage: -10°C to 60°C.
Humidity: 10％ to 90% Non-condensing.
Package
Content
GXP1760W phone, handset with cord, base stand, universal power supply, network cable, Quick Installation Guide, GPL
license.
Complianc
e
FCC: Part 15 (CFR 47) Class B.
CE: EN55022Class B, EN55024 Class B, EN61000-3-2, EN61000-3-3, EN60950-1.
RCM: AS/ACIF S004, AS/NZS CISPR22/24,AS/NZS 60950.1
Table 2: GXP1760/GXP1760W Technical Specifications
GXP1780/GXP1782 Technical Specifications
The following table resumes all the technical specifications including the protocols / standards supported, voice codecs, telephony
features, languages, and upgrade/provisioning settings for GXP1780/GXP1782.
Protocols/
Standards
SIP RFC3261, TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP, ICMP, DNS (A record, SRV, NAPTR), DHCP, PPPoE, TELNET,
TFTP, NTP, STUN, SIMPLE, LLDP, LDAP, TR-069, 802.1x, TLS, SRTP, IPv6.
Network
Interface
Dual switched Ethernet ports with integrated PoE. Auto-sensing 10/100Mbps (GXP1780), 10/100/1000Mbps
(GXP1782).
Graphic
Display 200*80 pixel backlit LCD display.
Features
Keys
8 line keys with up to 4 SIP accounts, 4 XML programmable context sensitive Softkeys, 5 navigation/menu keys, 8
dedicated function keys for: PHONEBOOK, TRANSFER, CONFERENCE, HEADSET, MUTE, SEND/REDIAL,
SPEAKERPHONE, VOLUME.
Voice
Codecs
Support for G.729A/B, G.711µ/a-law, G.726, G.722(wide-band), G.723, iLBC, in-band and out-of-band DTMF (in audio,
RFC2833, SIP INFO).
Auxiliary
Ports RJ9 headset jack (allowing EHS with Plantronics headsets).
Telephony
Features
Hold, transfer, forward, 5-way conference, call park, call pickup, shared-call-appearance(SCA)/bridged-line-
appearance(BLA), downloadable phonebook (XML, LDAP, up to 500 items), call waiting, call log (up to 500 records),
XML customization of screen, off-hook auto dial, auto answer, click-to-dial, flexible dial plan, Hot Desking,
personalized music ringtones and music on hold, server redundancy and fail-over.

HD Audio Yes, HD handset and speakerphone with support for wideband audio.
Base
Stand Yes, 2 angle positions available. Wall Mount stand sold separately.
QoS Layer 2 QoS (802.1Q, 802.1P) and Layer 3 (ToS, DiffServ, MPLS) QoS.
Security User and administrator level passwords, MD5 and MD5-sess based authentication, 256-bit AES encrypted
configuration file, SRTP, TLS, 802.1x media access control.
Multi-
Language
LCD Language: Arabic Czech German English Spanish French Croatian Hungarian Italian Japanese Korean Dutch
Polish Portuguese Russian Turkish Traditional Chinese Simplified Chinese Hebrew
WebUI Language: English 简体中文 (Simplified Chinese) 繁體中文 (Traditional Chinese) ﺔﻴﺑﺮﻌﻟا (Arabic) Czech Deutsch
(German) Español (Spanish) Français (French) תירבע (Hebrew) Hrvatski (Croatian) Magyar (Hungarian) Italiano (Italian)
日本語 (Japanese) 한국어 (Korean) Nederlands (Dutch) Polski (Polish) Português (Portuguese) Русский (Russian)
Slovenščina (Slovenian) Türkçe (Turkish
Upgrade/
Provisioni
ng
Firmware upgrade via TFTP / HTTP / HTTPS, mass provisioning using TR-069 or AES encrypted XML configuration file.
Power &
Green
Energy
Efficiency
Universal power adapter included: Input:100-240V, Output: +5V, 1A.
Integrated Power-over-Ethernet (802.3af).
Max power consumption: 5W.
Physical
Dimension: 231mm(W) x 167mm(L) x 86mm(H).
Unit weight: 0.925kg.
Package weight: 1.55kg.
Temperatu
re and
Humidity
Operation: 0°C to 40°C.
Storage: -10°C to 60°C.
Humidity: 10％ to 90% Non-condensing.
Package
Content
GXP1780/GXP1782 phone, handset with cord, base stand, universal power supply, network cable, Quick Installation
Guide, GPL license.
Complianc
e
FCC: Part 15 (CFR 47) Class B.
CE: EN55022Class B, EN55024 Class B, EN61000-3-2, EN61000-3-3, EN60950-1.
RCM: AS/ACIF S004, AS/NZS CISPR22/24, AS/NZS 60950.1
Table 3: GXP1780/GXP1782 Technical Specifications
INSTALLATION
Equipment Packaging
The following table describe the equipment packaging:

Main Case Yes 1
Handset Yes 1
Phone Cord Yes 1
Power Adaptor Yes 1
Ethernet Cable Yes 1
Phone Stand Yes 1
Quick Installation Guide Yes 1
Table 4: GXP1760/GXP1760W/GXP1780/GXP1782 Equipment Packaging
GXP1760/GXP1760W Package Contents
Figure 1: GXP1760W Package Contents
GXP1780/GXP1782 Package Contents
Figure 2: GXP1780/GXP1782 Package Contents
Connecting Your Phone
Handset Port RJ9 handset connector port.

Headset Port RJ9 headset connector port (supporting EHS with Plantronics headset).
LAN Port RJ-45 port connecting to Ethernet. 10/100Mbps for GXP1760W/GXP1780 and 10/100/1000Mbps for GXP1782.
PC Port RJ-45 port connecting to PC. 10/100Mbps for GXP1760/GXP1760W/GXP1780 and 10/100/1000Mbps for GXP1782.
Power Jack 5V DC Power connector port.
To set up the GXP1760/GXP1760W/GXP1780/GXP1782, follow the steps below:
1. Attach the phone stand or wall mount to the slots on back of the phone.
2. Connect the handset and main phone case with the phone cord.
3. Connect the LAN port of the phone to the RJ45 socket of a hub/switch or a router (LAN side of the router) using the Ethernet
cable.
4. Connect the 5V DC output plug to the power jack on the phone, then plug the power adapter into an electrical outlet. If PoE
switch is used in step 3, this step could be skipped.
5. The LCD will display provisioning or firmware upgrade information. Please wait for the date/time display to show up before
continuing.
6. Use the keypad configuration menu or phone’s embedded web server (Web GUI via IP address in web browser) for further
configuration on the phone.
Connecting the GXP1760W to Wi-Fi
There are two methods for connecting the GXP1760W to Wi-Fi network, through the web GUI or using the keypad menu. Please refer
to the following detailed steps:
Using the WebGUI
To connect the GXP1760W to Wifi Network through the web GUI. Please refer to following steps:
1. Access the web GUI using the administrator username and password.
2. Navigate to Network 🡪 Wi-Fi Settings and enable the Wi-Fi.
3. Under Access Point(x) fields do the following:
Specifies the SSID for the desired Wi-Fi network under SSID.
Configures the Password to access the Wi-Fi network.
Specifies the Wi-Fi encryption type under Security Type.
4. Press Save and Apply button to save the Wi-Fi settings.
If the Wi-Fi settings are configured correctly, the GXP1760W will connect to the Wi-Fi network automatically and display Wi-Fi logo on
the main LCD menu as displayed on the following figure.
Figure 3: Wi-Fi Signal Icon on the GXP1760W LCD Screen

Using the Keypad Menu
To connect the GXP1760W to Wi-Fi Network through the keypad menu. Please refer to following steps:
1. On LCD menu, navigate to System 🡪 Network 🡪 Wi-Fi settings and enable Wi-Fi.
2. Select “Scan” and GXP1760W will automatically start scanning within the range.
3. A list of Wi-Fi networks will be displayed. Select the desired network, and if required, enter the correct password to connect.
If the Wi-Fi settings are configured correctly, the GXP1760W will connect to the Wi-Fi network automatically and display Wi-Fi logo on
the main LCD menu as displayed on the following figure.
Figure 4: Wi-Fi Signal Icon on the GXP1760W LCD Screen
GETTING STARTED
Idle Screen
GXP1760/GXP1760W/GXP1780/GXP1782 screen displays differently depending on whether the phone is idle or in use (active). The
following figure shows the idle screen of GXP1780/GXP1782 as example.
Figure 5: GXP17xx Idle Screen (GXP1760W)
The following table describes the items displayed on GXP1760/GXP1760W/GXP1780/GXP1782 idle screen.
Date and time Displays the current date and time. It can be synchronized with Internet time servers.
Network icon Shows the status of network. It will indicate whether the network is down or starting.
Wi-Fi icon
Shows the Wi-Fi signal when the phone is connected to Wi-Fi networks.
Wi-Fi icon is available on GXP1760W only.

Status icon Shows the status of the phone for registration status, call features and etc. using icons as shown in the
next table.
Line status indicator Displays the name of the account that is in use.
Softkeys in idle screen
The Softkeys are context sensitive and will change depending on the status of the phone. Typical
functions assigned to Softkeys are:
Next
Toggles between different idle screens. For example, for GXP1760W & GXP1780/82, pressing most left
softkey (switch screen) will toggle among default idle screen, Virtual Multi-Purpose Keys.
Redial
Redials the last dialed number when dialed call log exists.
ForwardAll
Unconditionally forwards the phone line (account 1) to another phone.
Missed
Shows up unanswered calls to this phone.

Softkeys in call screen
The Softkeys are context sensitive and will change depending on the call status of the phone. Here are
the main Softkeys in call screen.
Redial
Redials the last dialed number after off hook when there is existed call log.
Dial
Dials the call out after off hook and entering the number.
Answer
Answers the incoming call when the phone is ringing.
Reject
Rejects the incoming call when the phone is ringing.
EndCall
Ends the active call.
Transfer
Transfer softkey will show up after pressing TRAN button and entering transfer target number. Press
Transfer softkey to do blind transfer.
Split
In auto-attended transfer mode, after establishing the second call, press Split to quit transfer and go
back to normal talking status.
ConfCall
Conferences the active calls.
ReConf
Re-establish the conference among the calls on hold.
Special Softkeys
(only when device
integrated with
UCM6xxx)
CallPark
When the phone dials out, the CallPark softkey will display on screen. To park the call, press it to park
the call on available parking lot.
RecordOn
During an active call, the RecOn softkey will display on screen. Press it to trigger UCM call recording.
RecordOff
During an active call, after RecOn softkey is pressed and call recording starts, RecOff softkey will appear
on screen. Press it to stop call recording on UCM.
Note: Please refer to UCM61xx User Manuals for the UCM configurations.
Table 5: LCD Display Definitions

Registration Status.
Solid – Registered.
Hollow – Unregistered.
Handset Status.
Off – Handset On Hook.
On – Handset Off Hook.
Speaker Status.
Off – Speaker Off.
On – Speaker On.
Headset Status.
Off – Headset Off.
On – Headset On.
Mute Status.
Off – The Active Call Is Not Muted.
On – The Active Call Is Muted.
Call Forward Status.
Off – Call Forward Feature Disabled.
On – Call Forward Feature Enabled.
DND Status.
Off – Do Not Disturb Disabled.
On – Do Not Disturb Enabled.
SRTP Status.
OFF – SRTP is not used.
ON – SRTP is being used.
Wi-Fi Signal Status (available on GXP1760W only)
OFF – Wi-Fi is Disabled.
ON – Wi-Fi is Enabled.
Table 6: GXP1760/GXP1760W/GXP1780/GXP1782 LCD Icons

Using the Keypad
Figure 6: GXP1760W Keyboard
Figure 7: GXP1780/GXP1782 Keyboard
Line Key
Switch between line 1 and line 2.
• Solid Green：Calling, Talking.
• Flash Green：Call on hold.
• Flash Red：Incoming call.
Softkeys The Softkeys are context sensitive and will change depending on the status of the phone.

Navigation Keys:
When entered the menu:
• Press the UP/DOWN keys to scroll through menu options.
• Press the LEFT key to go back to the previous menu.
• The RIGHT key has no function.
In Idle:
• Press the UP key to view missed calls.
• Press the DOWN key to view dialed calls.
• Press the RIGHT key to view answered calls.
Menu/OK Key:
In Idle:
• Press to enter the main menu.
• Confirm the current selection or the inputted info.
Off hook:
• Switch between outgoing call and paging call.
Contacts: Press to view and edit contact information.
Mute: Press to mute or unmute the call.
Headset: Press to switch to headset mode.
Transfer: Press to transfer call.
Conference: Press to conference call.
Speaker.
Send/Redial.
Volume.
Table 7: GXP17xx Keypad Buttons
Configuration via Keypad
To configure the LCD menu using phone’s keypad, follow the instructions below:
Enter MENU options: When the phone is in idle, press the round MENU button to enter the configuration menu.

Navigate in the menu options: Press the arrow keys up/down/left/right to navigate in the menu options.
Enter/Confirm selection: Press the round MENU button or “Select” softkey to enter the selected option.
Back: Press “Back” softkey to exit to the previous menu.
Return to Home page: In any menu, press “Back” softkey to return to idle screen.
Note: The phone automatically exits MENU mode in these situations: An incoming call when the phone is off hook or the MENU mode
if left idle for more than 60 seconds.
The MENU options are listed in the following table.
Call
Histor
y
Call History sub menu includes the following options:
Local Call Log.
Displays answered calls/dialed calls/missed calls/transferred calls.
Press “Clear All” to clear all local call history.
Broadsoft Call Log.
Displays Broadsoft call logs.
Status
Status sub menu includes the following options:
Network status.
Displays the MAC address, IP information (DHCP/Static IP/PPPoE), IPv4 address, IPv6 address, Subnet Mask, Gateway, and
DNS server.
Account status.
Shows the registration status of each account.
System Status
Displays the hardware version, part number, software version, IP geographic information and special features.
Phone
Book
Phone Book sub menu includes the following options:
Local Phonebook
Local Group
Broadsoft Phonebook
LDAP Directory
User may configure phonebooks/groups/LDAP options here, transfer phonebook XML to the phone, and search
phonebook/LDAP directory.
Messa
ges
Message sub menu include the following options:
Instant Messages
Displays or clears all received instant messages.
Voice Mails
Displays voicemail message information in the format below: new messages/all messages (urgent messages/all urgent
messages).

Prefer
ence
Preference sub menu includes the following options:
Do Not Disturb
Enables/disables Do Not Disturb on the phone.
Ring Tone
Configures different ring tones for incoming call.
Ring Volume
Adjusts ring volume by pressing left/right arrow key.
LCD Contrast
Adjusts active LCD contrast by pressing left/right arrow key.
LCD Brightness
Adjusts LCD brightness of idle state and active state by pressing left/right arrow key.
Download SCR XML
Triggers the phone to download the XML idle screen file immediately.
The XML idle screen server path and downloading method need to be set up correctly from Web GUI first.
Erase Custom SCR
Erases custom XML idle screen previously loaded on the phone. After erasing it, the phone will show default idle screen.
Display Language
Selects the language to be displayed on the phone’s LCD. Users may select “Automatic” for local language based on IP
location if available. default, it is Auto.
Date Time
Configures time zone, date, and time display format and NTP server on the phone.
Security
Configures the available security settings (Config via keypad menu, web access mode, disable SSH).
Headset Type
Selects headset types.
Star Key Lock
Turns on/off keypad lock feature and configures keypad lock password.
The default keypad lock password is null. If user enabled Star Key Lock without configuring password, user can unlock
keypad by holding * key 4 seconds and pressing “OK” button.
Direct
IP Call Makes direct IP call.

Phone
Phone sub menu includes the following options:
SIP
Configures SIP Proxy, Outbound Proxy, SIP User ID, SIP Auth ID, SIP Password, SIP Transport and Audio information to
register SIP account.
Call Features
Configures call forward features for Forward All, Forward Busy, Forward No Answer and No Answer Timeout.

Syste
m
System sub menu includes the following options:
Network
Internet Protocol
Selects “Prefer IPv4” or “IPv6”.
IPv4 Settings
Selects IP mode (DHCP/Static IP/PPPoE).
DHCP Settings
Configures “Host Name (Option 12)” and “Vendor Class ID (Option 60)”.
PPPoE Settings
Configures PPPoE account ID and password.
Static IP Settings
Configures static IP address, Netmask, Gateway, DNS Server 1, and DNS Server 2.
802.1X
Enables/Disables 802.1X mode, Configures 802.1x identity and MD5 password.
Layer 2 QoS
Configures LAN port 802.1Q/VLAN Tag and priority value.
Select “Reset Vlan Config” to reset VLAN configuration on the LAN port.
PC Port Mode
Selects PC port mode (Enabled/Disabled/Mirrored). Configures PC port 802.1Q/VLAN Tag and priority value.
OpenVPN® Settings
Enable/Disable OpenVPN®, configure OpenVPN® server and port.
IPv6 Settings
Selects IPv6 mode, Auto-configured or Statically configured (Full Static / Prefix Static).
Wi-Fi Settings (Available on GXP1760W only)
Enables Wi-Fi and configure Wi-Fi settings to connect to Wi-Fi networks.
Upgrade
Firmware Server
Configures firmware server for upgrading the phone.
Server Address
Specifies the address of the firmware server.
Upgrade Via
Specifies the upgrade method.
User Name
Specifies the User name for the HTTP/HTTPS Server.

Password
Specifies the Password for the HTTP/HTTPS Server.
File Prefix
Specifies the prefix of the firmware to be downloaded and flashed into the phone.
File Postfix
Specifies the postfix of the firmware to be downloaded and flashed into the phone.
Config Server
Configures config server for provisioning the phone.
Server Address
Specifies the address of the config server.
Upgrade Via
Specifies the provision method.
Username
Specifies the Username for the HTTP/HTTPS Server.
Password
Specifies the Password for the HTTP/HTTPS Server.
File Prefix
Specifies the prefix of the configuration file to be downloaded and flashed into the phone.
File Postfix
Specifies the postfix of the configuration file to be downloaded and flashed into the phone.
DHCP Opt43/66 Override FW
Enables the DHCP option 43 or 66 on the LAN side, to redirect to the TFTP server.
3CX Auto Provision
Enables the phone to multicast a SUBSCRIBE for provision.
Start Provision
Allows users to start provision at the moment.
UCM Detect
Detect/connect UCM server to process auto-provision. Manually input the IP and port of the UCM server phone wants to
bind with or select from the available UCM server in network.
Authentication
Admin Password
Indicates the password of the admin account.
End User Password
Indicates the password of the user account.

Test Password Strength
Turns on/off Test Password Strength feature. This will allow only passwords with some constraints to ensure better security.
Factory Functions
Audio Loopback
Speak to the phone using speaker/handset/headset. If you can hear your voice, your audio is working fine. Press “Exit”
softkey to exit audio loopback mode.
Diagnostic Mode
All LEDs will light up. Toggle the line keys LED color to green with “#” and to red with “*”. Press any key on the phone
to diagnose the key’s function. The key’s name will display on the LCD. Press the menu button or onhook/offhook
handset to exit the diagnostic mode.
Wi-Fi Signal Strength
Allows to test the strength of the Wi-Fi signal.
Keyboard Diagnostic
All keys’ names will display on LCD screen before diagnosing. Press each key on the phone to remove it from the list of
remaining keys to be diagnosed. Lift and put back the handset to exit diagnostic mode after all keys have been diagnosed.
Certificate Verification
This is used to validate certificate chain for the server’s certificate.
Factory Reset
It is used to restore the phone to factory default settings.
Reboo
tReboots the phone.
Table 8: Configuration Menu
The following diagram shows the keypad MENU configuration flow:

Figure 8 : Keypad MENU Configuration
Characters Input
Each key on a GXP17xx except for key 1 corresponds to one number and a group of three letters, Users need to tap on a key multiple
times until the wanted number or letter appears (Both lower and upper case available), While key 1 is used to input special characters
and number 1.
Refer to below table for each key and possible character input:
Key Description Key Description Key Description
11 Space . : / ‘ ` @ * + – = , | & ? ! % ( ) ~ _ < > { } [ ] ^ 22 A B C a b c 33 D E F d e f
44 G H I g h i 55 J K L j k l 66 M N O m n o
77 P Q R S p q r s 88 T U V t u v 99 W X Y Z w x y z
**00##