7.2.4 Virtual VoIP Gateway Card Specifications
7.2.4 Virtual VoIP Gateway Card Specifications
For details about the RFCs and protocols for the V-IPGW16 card, refer to the following specifications.
ITU-T
Codecs
Voice Operations
DTMF Relay
Fax Relay
Protocol/Function
VAD is only available for codec G.711.
*1
232
Installation Manual
H.323
H.225.0
H.245
G.711 (a-law and µ-law)
G.729A
Echo Cancellation (48 ms)
Jitter Buffer (200 ms)
VAD (Voice Activity Detection)
PLC (Packet Loss Concealment)
Inband/Outband (RFC2833)/Outband (H.245)
G.711 Inband/T.38
RTP
RTCP
*1