Specificatii tehnice

Voice over Packet Capabilities G.168-2004 compliant Echo Cancellation, VAD, CNG, Dynamic programmable Jitter Buffer, modem detection and auto switch to PCM Voice Compression G.711, G.723.1, G.726, G.729A, EG.711, G.722 Fax over IP T.38 compliant Group 3 fax relay up to 14.4 kbps with automatic switching to PCM or ADPCM 3-Way Conference 3-Way conference with local mixing QoS Diffserve, TOS, 802.1 P/Q VLAN tagging IP Transport RTP/RTCP per IETF RFC 3550 and 3551 PPPoE, ThruPacketTM (aggregated RTP streams of several channels for saving network bandwith) Signaling Signaling FXS Loop-start FXS, FXO Loop-start FXS Loop-start In-band Signaling DTMF (TIA 464B) User defined and call progress tones Out-of-Band Signaling DTMF Relay (RFC 2833), DTMF via SIP INFO Control MGCP (RFC 2- 05), H.323 (V4), SIP (RFC 3261) Provisioning Protocols BootP, DHCP, TFTP and HTTP for Automatic Installation DHCP options 66,67 in auto up