I just checkout the cvs code for asterisk...... when I use my grandstream phone (that worked on the old code that was about 2 months old) I do not hear anything at all... I get this error: Sep 27 23:20:27 WARNING[1142127920]: File chan_sip.c, Line 444 (retrans_pkt): Maximum retries exceeded on call 0765c89e-9d67-3c0a-b9b9-2e7f3cd1d9ef@192.168.50.248 for seqno 58430 (Response) here is my sip debug: -- Executing VoiceMailMain2("SIP/mlh-b787", "") in new stack We're at 192.168.50.1 port 27838 Answering with capability 2 Answering with capability 4 Answering with capability 8 Reliably Transmitting (no NAT): SIP/2.0 200 OK Via: SIP/2.0/UDP 192.168.50.248 From: "Michael Hess" <sip:mlh@192.168.50.1>;tag=f3e33d4d-5431-b2d1-443e-0183d2cac6c7 To: <sip:8@192.168.50.1>;tag=as568b15d0 Call-ID: ccf9d2ca-982b-523b-89bb-10ce270b5847@192.168.50.248 CSeq: 53592 INVITE User-Agent: Asterisk PBX Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER Contact: <sip:8@192.168.50.1> Content-Type: application/sdp Content-Length: 178 v=0 o=root 1434 1434 IN IP4 192.168.50.1 s=session c=IN IP4 192.168.50.1 t=0 0 m=audio 27838 RTP/AVP 3 0 8 a=rtpmap:3 GSM/8000 a=rtpmap:0 PCMU/8000 a=rtpmap:8 PCMA/8000 to 192.168.50.248:5060 -- Playing 'vm-login' Retransmitting #1 (no NAT): SIP/2.0 200 OK Via: SIP/2.0/UDP 192.168.50.248 From: "Michael Hess" <sip:mlh@192.168.50.1>;tag=f3e33d4d-5431-b2d1-443e-0183d2cac6c7 To: <sip:8@192.168.50.1>;tag=as568b15d0 Call-ID: ccf9d2ca-982b-523b-89bb-10ce270b5847@192.168.50.248 CSeq: 53592 INVITE User-Agent: Asterisk PBX Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER Contact: <sip:8@192.168.50.1> Content-Type: application/sdp Content-Length: 178 v=0 o=root 1434 1434 IN IP4 192.168.50.1 s=session c=IN IP4 192.168.50.1 t=0 0 m=audio 27838 RTP/AVP 3 0 8 a=rtpmap:3 GSM/8000 a=rtpmap:0 PCMU/8000 a=rtpmap:8 PCMA/8000 ACKA to 192.168.50.248:5060 Retransmitting #2 (no NAT): SIP/2.0 200 OK Via: SIP/2.0/UDP 192.168.50.248 From: "Michael Hess" <sip:mlh@192.168.50.1>;tag=f3e33d4d-5431-b2d1-443e-0183d2cac6c7 To: <sip:8@192.168.50.1>;tag=as568b15d0 Call-ID: ccf9d2ca-982b-523b-89bb-10ce270b5847@192.168.50.248 CSeq: 53592 INVITE User-Agent: Asterisk PBX Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER Contact: <sip:8@192.168.50.1> Content-Type: application/sdp Content-Length: 178 v=0 o=root 1434 1434 IN IP4 192.168.50.1 s=session c=IN IP4 192.168.50.1 t=0 0 m=audio 27838 RTP/AVP 3 0 8 a=rtpmap:3 GSM/8000 a=rtpmap:0 PCMU/8000 a=rtpmap:8 PCMA/8000 ACKA to 192.168.50.248:5060 Retransmitting #3 (no NAT): SIP/2.0 200 OK Via: SIP/2.0/UDP 192.168.50.248 From: "Michael Hess" <sip:mlh@192.168.50.1>;tag=f3e33d4d-5431-b2d1-443e-0183d2cac6c7 To: <sip:8@192.168.50.1>;tag=as568b15d0 Call-ID: ccf9d2ca-982b-523b-89bb-10ce270b5847@192.168.50.248 CSeq: 53592 INVITE User-Agent: Asterisk PBX