Akuvox R20A User manual

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R20A Door Phone User Manual

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About This Manual
Thank you for choosing Akuvox’s R20A door phone. This manual is intended for end users, who need to properly configure the door
phone. This manual is applicable to 20.0.1.2xx version, and it provides an overview of the most essential functions and features of
the product. Please visit Akuvox forum or consult technical support for any new information or latest firmware.
Note: Please refer to universal abbreviation form in the end of manual when meet any abbreviation letter.

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Content
1. Product Overview...........................................................................................................................................................................1
1.1. Product Description.................................................................................................................................................................1
1.2. Connector Introduction............................................................................................................................................................2
1.3. LED Status Information ...........................................................................................................................................................3
2. Daily Use .........................................................................................................................................................................................4
2.1. Making a Call ..........................................................................................................................................................................4
2.2. Receiving a Call ......................................................................................................................................................................4
2.3. Unlock .....................................................................................................................................................................................5
2.3.1. Unlock by RF Card ........................................................................................................................................................5
2.3.2. Unlock by DTMF Codes.................................................................................................................................................5

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1. Product Overview
1.1. Product Description
Akuvox R20A is a SIP-compliant, hands-free one button video
outdoor phone. It can be connected with Akuvox indoor monitors for
remote access controlling and monitoring. Users can communicate
with visitors via audio and video calls, and unlock the door if they
need. Users can also use RFID cards to unlock the door. It is
applicable in villas, offices and so on.
Figure 1.1 Product Description

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1.2. Connector Introduction
Ethernet(POE): Ethernet (POE) connector which can provide both
power and network connection.
12V/GND: External power supply terminal if POE connector is not
available.
RS485-A/B: RS485 terminal.
DOORA/B: Trigger signal input terminal.
RelayA/B (NO/COM/NC): Relay control terminal.
Note: The general door phone interface diagram is only for
reference.
Figure 1.2.1 Connector Introduction
Figure 1.2.2 General interface

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1.3. LED Status Information
LED Status Description
Blue Always on Normal status
Flashing Calling
Red Flashing Network is unavailable
Green Always on Talking on a call
Flashing Receiving a call
Pink Flashing Upgrading

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2. Daily Use
2.1. Making a Call
Press the call button to call out the predefined number or IP
address and if LED turns green, it means the call has been
answered.
2.2. Receiving a Call
Users can use IP phone or indoor monitor to call R20A and R20A
will answer it automatically by default. If auto answer is disabled,
pressing call button to answer the incoming call.

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2.3. Unlock
2.3.1. Unlock by RF Card
Place the predefined user cards in RFID card reader to unlock.
Under normal conditions, R20A will announce “The door is now
opened”. Both 13.56MHz and 125KHz RFID cards are supported
on R20A.
2.3.2. Unlock by DTMF Codes
Users can press the predefined DTMF code from an answer unit to
remotely unlock the door during the call. Users will also hear “The
door is now opened.”

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R20A
User Manual
Abbreviations
ACS: Auto Configuration Server
Auto: Automatically
AEC: Configurable Acoustic and Line Echo Cancelers
ACD: Automatic Call Distribution
Autop: Automatical Provisioning
AES: Advanced Encryption Standard
BLF: Busy Lamp Field
COM: Common
CPE: Customer Premise Equipment
CWMP: CPE WAN Management Protocol
DTMF: Dual Tone Multi-Frequency
DHCP: Dynamic Host Configuration Protocol
DNS: Domain Name System
DND: Do Not Disturb
DNS-SRV: Service record in the Domain Name System
FTP: File Transfer Protocol
GND: Ground
HTTP: Hypertext Transfer Protocol
HTTPS: Hypertext Transfer Protocol Secure
IP: Internet Protocol
ID: Identification
IR: Infrared
LCD: Liquid Crystal Display
LED: Light Emitting Diode
MAX: Maximum
POE: Power Over Ethernet
PCMA: Pulse Code Modulation A-Law
PCMU: Pulse Code Modulation µ-Law

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SIP: Session Initiation Protocol
SNMP: Simple Network Management Protocol
STUN: Session Traversal Utilities for NAT
SNMP: Simple Mail Transfer Protocol
SDMC: SIP Devices Management Center
TR069: Technical Report069
TCP: Transmission Control Protocol
TLS: Transport Layer Security
TFTP: Trivial File Transfer Protocol
UDP: User Datagram Protocol
URL: Uniform Resource Locator
VLAN: Virtual Local Area Network
WG: Wiegand
PCAP: Packet Capture
PNP: Plug and Play
RFID: Radio Frequency Identification
RTP: Real-time Transport Protocol
RTSP: Real Time Streaming Protocol
MPEG: Moving Picture Experts Group
MWI: Message Waiting Indicator
NO: Normal Opened
NC: Normal Connected
NTP: Network Time Protocol
NAT: Network Address Translation
NVR: Network Video Recorder
ONVIF: Open Network Video Interface Forum

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Contact us
For more information about the product, please visit us at www.akuvox.com or feel free to contact us by
Sales email:[email protected]
Technical support email:[email protected]
Telephone:[phone] ext.7694/8162
We highly appreciate your feedback about our products.