Purpose
VP-12(P) — IP phone providing voice services and PC connection to IP network via single cable. The device supports PoE technology and has advanced functionality, high quality and universal style.
VP-12(P) 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 Mbps switch with a built-in PHY, hardware L2/L3/L4 acceleration;
- flash memory — 16 MВ;
- SDRAM — 128 MВ;
- codec (ADC/DAC);
- Liquid crystal display (LCD) with 128×64 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 (4P4C) 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.
VP-12(P) design diagram
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. input current consumption is 0.7 А) |
| Operating temperature range | from +5 to +40 °C |
| Relative humidity at 25 °С | no more than 80 % |
| Dimensions (W × H × D) | 223 × 89.5 × 178 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 |
|
| Supplementary services |
|
| Network features | |
| Key features |
|
| Protocols |
|
| Support for PPPoE |
|
Support for DHCP option |
|
| Support for QoS mechanisms |
|
| Support for DNS |
|
| Support for NTP |
|
| Network access limitation |
|
| Routing |
|
| Network discovery |
|
Management and monitoring | |
| Key features |
|
| Interfaces |
|
Debug information output |
|
| Loading/updating of software and configuration |
|
Design
VP-12(P) IP phone is enclosed into 223 × 89.5 × 178 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 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 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 mode. | |||
3 | MSG | New message indicator. | Flashes red | There are unread messages or new voice messages. |
| Off | There are no unread messages or new voice messages. | |||
4 | DND | Indicator of the DND service status. | Solid 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 version below 2.0, figure B shows the layout for version 2.0 and later.
Rear panel layout | Description | |
|---|---|---|
6 | Headset | Port for connecting a headset:
|
7 | DC | Port for power adapter connection, 5 V 2 A. |
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
Status indication on graphic display
| Number | Description |
|---|---|
| 1 | Indicator of voice interface:
|
| 2 | Name of current account. If the account does not have name, the phone number is displayed. |
| 3 | Current date and time. |
| 4 | Actions taken upon pressing soft keys. |
Delivery package
VP-12(P) standard delivery package includes:
- IP-phone VP-12(P);
- Handset and cable for handset connection;
- 220/5 V 2 А power adapter (optional for VP-12P);
- RJ-45 cable;
- Quick user manual and warranty certificate.
Headphones might be added to delivery package upon a request.