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
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;
Depending on hardware version: for versions below 2.0 — Realtek ALC5621 codec; for versions 2.0 and later — Realtek ALC5633Q 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;
Depending on hardware version: for versions below 2.0 — 3.5 mm jack; for versions 2.0 and later — RJ-9 (4P4C).
Design diagram for device is depicted in the figure below.
The device runs under Linux operating system. Basic control functions are performed by Realtek processor which enables IP packet routing, VoIP operation, etc.
Main specifications
| General parameters | |
|---|---|
| Power supply |
|
| 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°С | no more than 80% |
| Dimensions | 223x178x89,5 mm |
| Weight | up to 0.52 kg |
| Interfaces |
|
Ethernet LAN interface specification | |
| Number of ports | 1 |
| Electric port | RJ-45 |
| Data transmission rate |
|
| Standard support | BASE-T |
Ethernet PC interface specification | |
| Number of ports | 1 |
| Electric port | RJ-45 |
| Data transmission rate |
|
| Standard support | BASE-T |
Main features and capabilities
VoIP capabilities | |
|---|---|
Supported protocols |
|
| Quantity of accounts | 2 |
| Key features |
|
| Operation behind NAT |
|
| Security |
|
| Voice features |
|
DTMF signals detection and generation |
|
Codecs |
|
| Value Added services |
|
| Network features | |
| Key features |
|
| Protocols |
|
| Support for PPPoE |
|
Support for DHCP option | 1 - Subnet Mask |
| Support for QoS mechanisms |
|
| Support for DNS |
|
| Support for NTP |
|
| Network access limitation |
|
| Routing |
|
Mangement and monitoring | |
| Key features |
|
| Interfaces |
|
Debug information output |
|
| Loading/updating of software and configuration |
|
Design
VP-12(P) IP phone is enclosed into 223x178x89.5 mm plastic case.
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 | |||
3 | MSG | Voice message indicator | off | There are no unread messages |
| flashes red | There are unread messages | |||
4 | DND | Indicator of the DND service status | flashes red | DND mode is activated on at least one account |
| off | DND mode is not activated | |||
5 | MUTE | Indicator of disabled mic | solid red | Mute mode is activated for the current conversation |
| off | Mute mote is not activated | |||
Rear panel of the device
VP-12(P) rear panel layout depends on hardware version. Figure A shows the layout for versions below 2.0, Figure B shows the layout for version 2.0 and later ones.
Rear panel layout | Description | |
|---|---|---|
6 | Headset | Port for connecting a headset:
|
7 | DC | port for power adapter connection, 5V 2A |
8 | PC | 10/100BASE-T Ethernet port (RJ-45 port) for connection to PC |
9 | LAN | 10/100BASE-T Ethernet port (RJ-45 port) for connection to LAN |
Status indication on graphic display
Indication status on graphic display
| Number | Description |
|---|---|
| 1 | Indicator of voice interface:
|
| 2 | Phone number of the current account |
| 3 | Current date and time |
| 4 | Actions taken upon pressing soft-keys |
Delivery package
VP-12(P) standard delivery package includes:
- Universal subscriber terminal (+handset and cable for handset connection);
- 220/5V 2А power adapter;
- RJ-45 cable;
- Quick user manual and warranty certificate.
A headphones might be added to delivery package upon a request