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SIP Rack-mounted Network Playback Terminal —SIP731V

—Support SIP protocol— SIP v1 (RFC2543), v2 (RFC3261)
—2 RAC audio interface
—3 volume knob and audio level indicator
  • SIP731V



SIP731V is a rackmount SIP playback terminal with 10/100M Ethernet interface, a set of AUX audio input and a set of AXU audio output on the rear panel, and a set of relay output of 220V AC, which can be directly connected to a pure post-amplifier, making the post-amplifier play audio from the network and local. Also has a 6.35mm interface microphone input, three volume adjustment knobs, and level indicator, as a local amplification and volume adjustment use.


- Standard RJ45 network interface, providing online remote upgrade of firmware;

- ARM+DSP-based architecture with high-speed industrial-grade chips, with a start-up time of ≤ 1 second;

- With volume adjustment potentiometer, you can realize the volume hardware adjustment

- With microphone input and line input, you can achieve the local audio source or microphone to achieve local amplification function.

- Support SIP v1 (RFC2543), v2 (RFC3261) and Other network protocols

- Supports TCP Play Protocol

- Supports wideband G.722, narrowband G.711a/u and MP3 audio decoding protocols

- Support RTP multicast playback protocol, support 10 priority levels, high priority audio can interrupt the low priority

- Support our private broadcast protocol, which can be broadcast shouting, timed ringing and Other operations through our broadcast software

- Provide PC-based IP and Other parameters configuration program manager

- Relay control: automatic control (with sound that is closed) / manual control

- Support firmware remote upgrade



  • AC 220V

Audio Formats

  • Opus by OEM

  • G.711 a/u,G.722,PCM,mp3 decodec

  • MP3 up to 192 kBit fixed & variable bit rates

User / Application Interfaces

  • Management system (software/web)

  • Network Control API

  • 3 volume knob and audio level indicator


  • Specification size: 485×225×65mm

  • 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.

Audio Interfaces

  • Analog stereo out 2.5Vpp

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

  • Line in,typical amplitude 2000mVpp

Electrical interface

  • 1 relay output interface

  • 1 AC power interface

  • RAC audio interface(Line in、Line out)

  • 6.5mm audio interface(MIC  in)


SIP731V rack-mounted network playback terminal.pdf

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

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