Akuvox R28 Series User manual

R28A R28V
R28 Series Door Phone User Manual

About This Manual
Thank you for choosing Akuvox’s R28A/V door phone. This manual is intended for end users who need to properly configure the
door phone. This manual is applicable to 28.0.3.xx 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.

Content
1. Product Overview............................................................................................................................................................................................... 1
1.1. Product Description.................................................................................................................................................................................... 1
1.2. Connector Introduction...............................................................................................................................................................................1
2. Daily Use............................................................................................................................................................................................................... 3
2.1. Make a Call.................................................................................................................................................................................................. 3
2.2. Receive a Call............................................................................................................................................................................................. 3
2.3. Unlock........................................................................................................................................................................................................... 4
2.3.1. Unlock by Public Pin Codes............................................................................................................................................................4
2.3.2. Unlock by Private Pin Codes.......................................................................................................................................................... 4
2.3.3. Unlock by RFID Cards (Optional).................................................................................................................................................. 5
2.3.4. Unlock by DTMF Codes.................................................................................................................................................................. 5

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1. Product Overview
1.1. Product Description
Akuvox R28 is a SIP-compliant, hands-free and video door 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 (R28A only). It is applicable
in apartments, offices and so on.
1.2. Connector Introduction
Ethernet (POE): Ethernet (POE) connector which it can provide
both power and network connection.
12V/GND: External power supply terminal if POE connector is not
available.
RS485A/B: RS485 terminal.
Figure 1.2-1 R28’s interface
Figure 1.1 Product description

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WG_D0/WG_D1: Wiegand terminal.
DOORA/B/C: Trigger signal input terminal.
RelayA/B/C (NO/NC/COM): Relay control terminal.
12V_OUT/GND_OUT: Power output terminal.
Note: The general door phone interface diagram is only for
reference.
Figure 1.2-2 General interface

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2. Daily Use
2.1. Make a Call
Call: Users can make a call by entering room number, SIP
extension or IP address and then press “Dial key.”
Security center call ：Users can make a speed dial to security
center by pressing “Dial Key” directly.
Call from contacts: Users can press “Up/Down key” to enter
contacts interface, select the contact to dial to by pressing up/down
key on contacts interface and press “Dial key” to make a call.
Figure 2.1-1 Idle interface
Figure 2.1-2 Contacts interface

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2.2. Receive a Call
R28 will auto answer the incoming call by default. If users disable
auto answer function, they can press “Dial key” to answer the
incoming call.
Figure 2.2 Incoming call interface

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2.3. Unlock
Unlock by Public Pin Codes
Users can unlock doors by using predefined public pin code. Press
“#,” public pin code, “#” to unlock, and then users will hear “The
door is now opened.” If users press wrong public pin code, the
screen will show “Incorrect PIN.” The default public pin code is
33333333. The default public pin code is 8 digits, and it can be
changed to 3 to 8 digits.
Unlock by Private Pin Codes
Users can unlock doors by using predefined private pin code. Press
“#,” private pin code, “#” to unlock, and then users will hear “The
door is now opened.” If users press wrong private pin code, the
screen will show “Incorrect PIN.” The default private pin code is 8
digits, and it can be changed to 3 to 8 digits.
Figure 2.3.1-1 Unlock interface
Figure 2.3.1-2 Unlock failed interface

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Unlock by RFID Cards (Optional)
Place the predefined user cards in RFID card reader to unlock.
Under normal conditions, R28A will announce “The door is now
opened.” If the card has not been registered, R28A will show
“Unauthorized.” Both 13.56MHz and 125KHz RFID cards are
supported on R28A.
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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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