ELTEX VP-12P User manual

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VP-12, VP-12P
Operation manual
Firmware version1.5.0

VP-12, VP-12P IP phones. Operation manual
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Table of content
1 Device description .............................................................................................................4
1.1 Intended use............................................................................................................................... 4
1.2 Device design and Operating principle ..................................................................................... 5
1.3 Main specifications ................................................................................................................... 6
1.4 Design....................................................................................................................................... 10
1.5 Status indication on graphic display....................................................................................... 12
1.6 Delivery package...................................................................................................................... 13
2 Managing VP-12(P) via web interface ............................................................................14
2.1 Getting started ......................................................................................................................... 14
2.2 Configuring VP-12(P)............................................................................................................... 18
2.3 Monitoring VP-12(P) ................................................................................................................ 74
3 Example of device configuration ....................................................................................84
4 Appendices to VP-12(P) operation manual....................................................................89
4.1 Device automatic update algorithm based on DHCP ............................................................ 89
4.2 System recovery after firmware update failure...................................................................... 92
4.3 Running user-defined script upon system startup................................................................. 92
4.4 DHCP client configuration in multiservice mode................................................................... 94

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IP phones VP-12 and VP-12P(hereinafter the "device") are designed to provide VoIP services to the network
clients. The device is intended for operation in home or small office (SMB) environment.
This operation manual describes intended use, key specifications, configuration, monitoring, and firmware
update for VP-12(P) IP phones.
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1 Device description
•Intended use
•Device design and Operating principle
•Main specifications
•Design
•Top panel of the device. Light indication
•Rear panel of the device
•Status indication on graphic display
•Delivery package
1.1 Intended use
VP-12P – IP phone providing voice services and PC connection to IP network via only one cable. The device
supports PoE technology and has advanced functionality, high quality, and universal style.
VP-12P is designed for organizations with high requirements to transmitted voice data, stability and usability.
The figure below shows VP-12(P) connection diagram:
VP-12(P) connection diagram

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1.2 Device design and Operating principle
VP-12(P) IP phone includes the following subsystem:
•Controller featuring:
•Realtek RTL8972C highly-integrated System-on-a-Chip (SoC), including a CPU, 100 Mbits switch
with a built-in PHY, hardware L2/L3/L4 acceleration;
• flash-memory–16MВ;
• SDRAM –128MВ;
• codec(ADC/DAC);
•3.2 inch liquid crystal display with 128x64 px resolution;
•Realtek ALC5621 or Realtek ALC5633Q voice codec;
•Fully-featured digital keyboard with additional function keys;
•1 x LAN port: RJ-45 10/100BASE-T;
•1 x PC port: RJ-45 10/100BASE-T;
•1 x Handset port: RJ-9 (4P4C) for connecting a handset;
•1 x Headset: 3.5 mm jack or RJ-9 for connecting a headset;
Design diagram for device is depicted in the figure below.
Depending on hardware version: for versions below 2.0 — Realtek ALC5621 codec; for versions
2.0 and later — Realtek ALC5633Q codec.

Depending on hardware version: for versions below 2.0 — 3.5 mm jack; for versions 2.0 and later
—RJ-9 (4P4C).
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The device runs under Linux operating system. Basic control functions are performed by Realtek processor
which enables IP packet routing, VoIP operation, etc.
1.3 Main specifications
General parameters
Power supply •power adapter 5V DC, 2 А
•PoE support (IEEE 802.3af), class 2
Power consumption up to 3.5 W (max. current consumption is0.7 А)
Operating temperature range from +5 to +40°C
Relative humidity at 25°Сno more than 80%
Dimensions 223x178x89,5 mm
Weight up to 0.52 kg
Interfaces •LAN: 1 port of Ethernet RJ-45 10/100BASE-T
•PC: 1 port of Ethernet RJ-45 10/100BASE-T
•Handset: 1 RJ-45 (4P4C) port for connecting a handset
•Headset: 1 port for connecting a headset
Ethernet LAN interface specification
Number of ports 1
Electric port RJ-45
Data transmission rate •10 Mbps
•100 Mbps
•autonegotiation
Standard support BASE-T
Ethernet PC interface specification
Number of ports 1
Electric port RJ-45
Data transmission rate •10 Mbps
•100 Mbps
•autonegotiation
Standard support BASE-T

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Main features and capabilities
VoIP capabilities
Supported protocols •SIP
Quantity of accounts 2
Key features •2 SIP accounts configuring independently
•Support for up to 4 redundant SIP servers
•Flexible dialplan
•Operation without a SIP server
•Caller name and number displaying (CallerID)
•Mute
•Redial
•Different ring-tones for different accounts
•Call History
•Local phonebook for 200 phone numbers
•LDAP Remote Phonebook
•Speakerphone mode
•Operation behind NAT
•Short text messages transmitting and receiving (SIP MESSAGE)
Operation behind NAT •NAT keepalive
•STUN mode
•Public IP
Security •SIP over TLS
•SRTP
Voice features •Echo cancellation, G.165, G.168 (AEC) recommendations
•Voice activity detector (VAD)
•Comfort Noise Generation (CNG)
•DTMF signals detection and generation
DTMF signals detection and
generation
•Inband
•RFC2833
•SIP INFO
Codecs •G.711а
•G.711u
•G.723.1
•G.726
•G.729

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Value Added services •Call Hold
•Call Transfer
•Call Waiting;
•Call Forward on Busy
•Call Forward on No response
•Call Forward Unconditional
•Do not disturb (DND)
•Caller Line Identification Restriction –CLIR
•Hotline/Warmline
•3 Way-conference
•Stop dialing by pressing #
Network features
Key features •Opportunity to divide voip, managment and pc-data traffic to different
vlans
Protocols •Static IP
•DHCP
•PPPOE
Support for PPPoE •PAP, SPAP and CHAP authorization
•PPPoE compression
Support for DHCP option 1 - Subnet Mask
3 - Router
6 - Domain Name Server
12 - Host Name
15 - Domain Name
26 - Interface MTU
28 - Broadcast Address
33 - Static Route
42 - Network Time Protocol Servers
43 - Vendor-Specific Information
66 - TFTP ServerName
67 - Bootfile name
120 - SIP Servers
121 - Classless Static Route
249 - Private/Classless Static Route(Microsoft)
Support for QoS mechanisms •IP DSCP header
•802.1P
Support for DNS •Static DNS servers addresses
•Obtaining DNS servers addresses via DHCP
Support for NTP •Static NTP server address assignment
•Obtaining NTP server address via DHCP
Network access limitation •Firewall
•MAC filter

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Routing •Static routing
•Routing rules assignment via DHCP (Option 33, 121, 249)
Mangement and monitoring
Key features •Access limitation through network interfaces
•Flexible settings for access to display menu
•Bilingual
Interfaces •Web interface
•SSH
•Telnet
•TR-069
•Display menu
Debug information output •Syslog
•Telnet
•File
Loading/updating of software and
configuration •Autoupdate by schedule
•Periodical autoupdate
•Centralized software update through ACS server (TR-069)

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1.4 Design
VP-12(P) IP phone is enclosed into 223x178x89.5 mm plastic case.
1.4.1 Top panel of the device. Light indication
The figure below shows VP-12(P) top panel layout
VP-12(P) top panel is equipped with LED indicators:
Front panel
element
Description LED state Device state
1, 2 L1, L2 Status indicators of the first
and second lines
off The account is registered and is in waiting
mode of incoming/outgoing call
solid green The account is active and is in the
conversation/dial mode
flashes green
(in standby mode)
The account is in the registration process
flashes green
(during conversation)
The second incoming call, incoming call on
the second line, one or more calls are on
hold
flashes green (during
incoming call)
Incoming call
solid red Registration error
solid orange The account is in the DND (do not disturb)
mode