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sip audio module Background music and music-on-hold encoder for VoIP applications 2403T

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Jan 3, 2023
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The SIP2403T network audio module is a general-purpose independent SIP audio function module that can be easily embedded into OEM products. This module encodes and decodes the SIP protocol and RTP audio stream from the network.


Technical parameters​

power input: Voltage DC 12 ~ 24V

Maximum working current, 2000mA

temperature: Operating temperature range Industrial grade: -40~85℃

storage temperature range -40~85℃

Network Interface:10/100M Base adaptive Ethernet interface

Mic input: Typical amplitude 50mVrms, signal-to-noise ratio 95dB

LineIn input: Typical amplitude 1000mVrms, SNR 95dB

Line Out output:Load 10KΩ, typical 1000Vrms, signal-to-noise ratio 95dB (in playback mode)

RL-Line input:Local PA input, typical amplitude 1000mVrms, signal-to-noise ratio 95dB

Power output: Power amplifier output, output power 2*15W or 1*40W, connected to 8 ohm constant resistance speaker

decoding mode:provide stereo playback, up to 48kHz, 320kbps audio stream, support MP3.WAV (PCM +IMA ADPCM), G.711 a/u, G.722 and other formats.

The minimum delay is50ms

encoding mode:Support G.711a/u, G.722 and RTP mode

The minimum delay is 30ms

bidirectional mode:Two-way intercom, with high-performance echo suppression algorithm, 8kHz sampling, ADPCM encoding

The minimum delay is 80ms

control serial interface: Baud rate 115.2kbps

GPIOs:A total of 4 general-purpose IOs, of which 2 are input and 2 are output

Universal serial port:Support transparent transmission, baud rate 2400~115.2kbps, 7, 8 data bits, 1, 2 stop bits, None, Even, Odd, Space, Mark check

module size:Length x width x height: 5.7 x 5.7 x 1.7cm

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