SIP Intercom Audio Module for Public Places

Power

• 4.7-5.5VDC

Audio Formats

• G.711 a/u,G.721,PCM encodec

• G.711 a/u,G.722,PCM,mp3 decodec

• Opus by OEM

• Supports acoustic echo cancellation

• MP3 up to 192 kBit fixed & variable bit rates

User / Application Interfaces

• 3 Push button interface for intercom and paging

• browser based, serial or Ethernet control API

• Integrated management system (software/web)

Network Interface

• 10/100M Base adaptive Ethernet interface

• 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 1.5Vpp, Volume adjustable by application

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

• Line in,typical amplitude 2000mVpp

  
  

Other

• 52mm×40mm×15mm

• Operating temperature range -40～85℃

• Storage temperature range -40～85℃