... providing signaling transform between SS7, ISDN PRI, V5.2 signaling and SIP Protocol, as well as media transfer ... Q.931, Q.921);-V5.2 (ITU-T G.964, G.965)-CAS ·VoIP protocol support:-SIP RFC3326(Reason ... in SIP) RFC2833( DTMF ) RFC3362(t.38) RFC 3261(SIP 2.0) RFC3204(MIME media types for ISUP and ... .723, G.726, G.729 Channels;-32 T.38 Fax Channels, 64 Conference Bridge; CapacityTypeCapacityThe number of ...