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SIP Audio Module for Subways

SINREY SIP2703V audio module is a highly flexible module compatible with the standard SIP protocol, and can work with other SIP endpoints in the standard SIP system. The module supports a variety of audio codec protocols, including G.711a/u and G.722, which can be widely used in various application scenarios such as VoIP, IP paging, and high-quality music streaming
  • SIP2703V

  • SINREY

Availability:

SINREY SIP2703V audio module is a highly flexible module compatible with the standard SIP protocol, and can work with other SIP endpoints in the standard SIP system. The module supports a variety of audio codec protocols, including G.711a/u and G.722, which can be widely used in various application scenarios such as VoIP, IP paging, and high-quality music streaming.


Features


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


Parameters


Power

  • 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


Other

  • 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

Downloads


SIP2703V Network Audio Module Specification

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