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SIP Intercom Audio Module — SIP2403V

- Fully functional version based on SIP2401V
- Support customization for customers
- Add transparent transmission serial port transparent transmission I/O function.
  • SIP2403V




The SIP2403V is a versatile standalone SIP audio function module that can be easily embedded in OEM products. The module decodes audio streams from the network for SIP protocols and RTP, as well as encodes incoming analog audio.The SIP2403V module supports a wide range of network protocols and audio codec protocols for applications such as VoIP and IP paging, as well as high-quality music streaming.


- Universal two-way full-duplex VoIP intercom for paging and intercom applications

- Background music and music hold encoders for VoIP applications

- Low latency IP audio encoders for various

- Unmanned parking lots, self-charging station intercom terminals

- Freeway tunnel intercom, toll booth intercom terminals



  • Single 12-24VDC, 48 Watt max

  • 2*15W or 1*30W amplifier output

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

User / Application Interfaces

  • Integrated management system (software/web)

  • browser based, serial or Ethernet control API

  • 3 Push button interface for intercom and paging


  • 57mm×57mm×17mm

  • Operating temperature range -40~85℃

  • Storage temperature range -40~85℃

Network Interface

  • 10/100 Mbit Ethernet (Auto)

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

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

Audio Interfaces

  • Analog stereo out 2*15W or 1*40W

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

  • Line in,typical amplitude 2000mVpp

Misc. Interfaces

  • 2 inputs and 2 outputs General Purpose I/O

  • 2 state outputs with TTL Level

  • Transparent transmission serial port

  • 1 × TTL level control serial port


SIP2403V 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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