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SIP Intercom Module for Shopping Malls

The SIP2703V network audio module supports the standard sip protocol and can be used with other SIP terminals in the standard SIP system. It supports G.711a/u and G.722 audio codec protocols and can be used for applications such as VoIP and IP paging and high-quality music streaming.
  • SIP2703V



The SIP2703V network audio module is a general-purpose stand-alone SIP audio function module that can be easily embedded into OEM products. This module encodes and decodes SIP protocol and rtp audio stream from the network.

The SIP2703V audio module supports a variety of network protocols and audio codec protocols, and can be used for applications such as VoIP and IP paging and high-quality music streaming media playback. At the same time, SIP2703V also provides two serial ports, eight digital input/output, allowing users to control through programs.


- Fully functional version based on SIP2701V
- Add transparent transmission serial port transparent transmission I/O function.
- Support customization for customers



  • 4.7-5.5VDC

Audio Interfaces

  • Analog stereo out 1.5Vpp, Volume adjustable by application

  • Mic in,frequency range of 70Hz to 12.5KHz

  • Line in,typical amplitude 2000mVpp

User / Application Interfaces

  • Integrated management system (software/web)

  • browser based, serial or Ethernet control API

  • 3 Push button interface for intercom and paging


  • 52mm×40mm×15mm

  • Operating temperature range -40~85℃

  • Storage temperature range -40~85℃

Network Interface

  • 10/100M Base adaptive Ethernet interface

  • SIP v1 (RFC2543), v2 (RFC3261), TCP, UDP, RTP, ARP, ICMP, DHCP, DNS, IGMP.

  • DTMF: in-band (RFC2833), out-of-band (SIP_INFO)

Audio Formats

  • G.711 a/u,G.721,PCM encodec

  • G.711 a/u,G.722,PCM,mp3 decodec

  • MP3 up to 192 kBit fixed & variable bit rates

  • Opus by OEM

  • Supports acoustic echo cancellation

Misc. Interfaces

  • 2 inputs and 2 outputs General Purpose I/O

  • 2 state outputs with TTL Level

  • Transparent transmission serial port

  • 35 pins


SIP2703V Network Audio Module Specification

Add:Room 902, 863 building, Guangzhou private science and Technology Park, Taihe Town, Baiyun District, Guangzhou, Guangdong,China

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