... communication. With advanced router, G801 is able to make calls via SIP proxy voice communications, plus the IP sharing, and the ... CancellationT.30 FAX with G.711Real time FAX over IP via T.38ProtocolsSIP V2 (RFC 3261,3262,3263,3264)Backward Compatible ... DialCaller ID and CWCIDQoS Layer 3Real time fax over IP via T.38T.30 FAX with G.711Dial PlanBlack ListCall LogDial ...