Analog Voice Network Interface Modules

Description

● Caller line ID
● G.711, G.729a, and G.726
● G723 and Internet Speech Audio Codec (iSAC); Internet Low Bit Rate Codec (iLBC) is on the roadmap
● Fax detection, pass-through, and relay (T.38)
● Modem detection and pass-through
● Dual-tone multifrequency (DTMF) detection
● Echo cancellation
● Voice activity detection
● Comfort noise generation
● Real-Time Control Protocol (RTCP)
● Acoustic shock protection
● Noise reduction is on the roadmap
● Real-Time Transport Protocol (RTP)
● RFC 4733 Digit Relay
The FXS features include:
● Capable of supporting either FXS or DID functionality
● Configurable long loop ports
● Message waiting indicator (MWI)
● Cable detection
The FXO features include:
● Supports both ground start and loop start modes
● Provides call detail record (CDR) information