input: call_ack_fail.pcap # U 10.10.10.128:5060 -> 10.15.15.122:5060 INVITE sip:123456@10.15.15.122:5060 SIP/2.0. Via: SIP/2.0/UDP 10.10.10.128:5060;branch=z9hG4bK3q6t66206gh16hst42a1.1. From: 33344408 ;tag=SDrp99a01-92528878-1A90. To: . Date: Wed, 30 Jun 2010 13:56:14 GMT. Call-ID: SDrp99a01-97ec97ecc1bce7b80524fef2c3644cdb-ulkf820. Supported: . Min-SE: 1800. Cisco-Guid: 2766969578-3162693393-2680946713-3118917430. Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REGISTER. CSeq: 101 INVITE. Max-Forwards: 68. Remote-Party-ID: "33344408";party=calling;privacy=off;screen=yes. Timestamp: 1277906174. Contact: . Expires: 180. Allow-Events: telephone-event. Content-Type: application/sdp. Content-Length: 371. User-Agent: ProxySIP (1.4.2-notls (i386/linux)). Accept: application/sdp, application/gtd. . v=0. o=CiscoSystemsSIP-GW-UserAgent 8377 1687 IN IP4 10.10.10.128. s=SIP Call. c=IN IP4 10.10.10.128. t=0 0. m=audio 32014 RTP/AVP 8 0 18 4 101. c=IN IP4 10.10.10.128. a=rtpmap:8 PCMA/8000. a=rtpmap:0 PCMU/8000. a=rtpmap:18 G729/8000. a=fmtp:18 annexb=no. a=rtpmap:4 G723/8000. a=fmtp:4 bitrate=6.3;annexa=no. a=rtpmap:101 telephone-event/8000. a=fmtp:101 0-16. # U 10.15.15.122:5060 -> 10.10.10.128:5060 SIP/2.0 100 trying -- your call is important to us. Via: SIP/2.0/UDP 10.10.10.128:5060;branch=z9hG4bK3q6t66206gh16hst42a1.1. From: 33344408 ;tag=SDrp99a01-92528878-1A90. To: . Call-ID: SDrp99a01-97ec97ecc1bce7b80524fef2c3644cdb-ulkf820. CSeq: 101 INVITE. Server: Sip EXpress router (0.9.7 (i386/solaris)). Content-Length: 0. Warning: 392 10.15.15.122:5060 "Noisy feedback tells: pid=28489 req_src_ip=10.10.10.128 req_src_port=5060 in_uri=sip:123456@10.15.15.122:5060 out_uri=sip:96123456@10.20.20.153:5060 via_cnt==1". . # U 10.15.15.122:5060 -> 10.20.20.153:5060 INVITE sip:96123456@10.20.20.153:5060 SIP/2.0. Record-Route: . Via: SIP/2.0/UDP 10.15.15.122;branch=z9hG4bKe213.6f13.0. Via: SIP/2.0/UDP 10.10.10.128:5060;branch=z9hG4bK3q6t66206gh16hst42a1.1. From: 33344408 ;tag=SDrp99a01-92528878-1A90. To: . Date: Wed, 30 Jun 2010 13:56:14 GMT. Call-ID: SDrp99a01-97ec97ecc1bce7b80524fef2c3644cdb-ulkf820. Supported: . Min-SE: 1800. Cisco-Guid: 2766969578-3162693393-2680946713-3118917430. Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REGISTER. CSeq: 101 INVITE. Max-Forwards: 16. Remote-Party-ID: "33344408";party=calling;privacy=off;screen=yes. Timestamp: 1277906174. Contact: . Expires: 180. Allow-Events: telephone-event. Content-Type: application/sdp. Content-Length: 371. User-Agent: ProxySIP (1.4.2-notls (i386/linux)). Accept: application/sdp, application/gtd. . v=0. o=CiscoSystemsSIP-GW-UserAgent 8377 1687 IN IP4 10.10.10.128. s=SIP Call. c=IN IP4 10.10.10.128. t=0 0. m=audio 32014 RTP/AVP 8 0 18 4 101. c=IN IP4 10.10.10.128. a=rtpmap:8 PCMA/8000. a=rtpmap:0 PCMU/8000. a=rtpmap:18 G729/8000. a=fmtp:18 annexb=no. a=rtpmap:4 G723/8000. a=fmtp:4 bitrate=6.3;annexa=no. a=rtpmap:101 telephone-event/8000. a=fmtp:101 0-16. # U 10.20.20.153:5060 -> 10.15.15.122:5060 SIP/2.0 100 Trying. Via: SIP/2.0/UDP 10.15.15.122;branch=z9hG4bKe213.6f13.0. Via: SIP/2.0/UDP 10.10.10.128:5060;branch=z9hG4bK3q6t66206gh16hst42a1.1. To: . From: "33344408" ;tag=SDrp99a01-92528878-1A90. CSeq: 101 INVITE. Call-ID: SDrp99a01-97ec97ecc1bce7b80524fef2c3644cdb-ulkf820. Timestamp: 1277906174 . Content-Length: 0. . # U 10.20.20.153:5060 -> 10.15.15.122:5060 SIP/2.0 183 Session Progress. Via: SIP/2.0/UDP 10.15.15.122;branch=z9hG4bKe213.6f13.0. Via: SIP/2.0/UDP 10.10.10.128:5060;branch=z9hG4bK3q6t66206gh16hst42a1.1. To: ;tag=1268972986d6546921-c0f0-46ed-80de-4baa48ea613d. From: "33344408" ;tag=SDrp99a01-92528878-1A90. CSeq: 101 INVITE. Call-ID: SDrp99a01-97ec97ecc1bce7b80524fef2c3644cdb-ulkf820. Contact: . Content-Type: application/sdp. Server: PSTN-GW/v5.1.5 (MIDIGW). Content-Length: 248. . v=0. o=- 250 483 IN IP4 10.20.20.153. s=-. c=IN IP4 10.20.20.153. t=0 0. m=audio 6022 RTP/AVP 8 0 18 101. a=rtpmap:8 PCMA/8000. a=rtpmap:0 PCMU/8000. a=rtpmap:18 G729/8000. a=fmtp:18 annexb=no. a=rtpmap:101 telephone-event/8000. a=fmtp:101 0-16. # U 10.15.15.122:5060 -> 10.10.10.128:5060 SIP/2.0 183 Session Progress. Via: SIP/2.0/UDP 10.10.10.128:5060;branch=z9hG4bK3q6t66206gh16hst42a1.1. To: ;tag=1268972986d6546921-c0f0-46ed-80de-4baa48ea613d. From: "33344408" ;tag=SDrp99a01-92528878-1A90. CSeq: 101 INVITE. Call-ID: SDrp99a01-97ec97ecc1bce7b80524fef2c3644cdb-ulkf820. Contact: . Content-Type: application/sdp. Server: PSTN-GW/v5.1.5 (MIDIGW). Content-Length: 248. . v=0. o=- 250 483 IN IP4 10.20.20.153. s=-. c=IN IP4 10.20.20.153. t=0 0. m=audio 6022 RTP/AVP 8 0 18 101. a=rtpmap:8 PCMA/8000. a=rtpmap:0 PCMU/8000. a=rtpmap:18 G729/8000. a=fmtp:18 annexb=no. a=rtpmap:101 telephone-event/8000. a=fmtp:101 0-16. # U 10.20.20.153:5060 -> 10.15.15.122:5060 SIP/2.0 200 OK. Via: SIP/2.0/UDP 10.15.15.122;branch=z9hG4bKe213.6f13.0. Via: SIP/2.0/UDP 10.10.10.128:5060;branch=z9hG4bK3q6t66206gh16hst42a1.1. To: ;tag=1268972986d6546921-c0f0-46ed-80de-4baa48ea613d. From: "33344408" ;tag=SDrp99a01-92528878-1A90. CSeq: 101 INVITE. Call-ID: SDrp99a01-97ec97ecc1bce7b80524fef2c3644cdb-ulkf820. Record-Route: . Allow: INVITE, ACK, CANCEL, BYE, OPTIONS, INFO, NOTIFY, REFER, MESSAGE, UPDATE. Contact: . Content-Type: application/sdp. Supported: replaces, norefersub, timer. Min-SE: 90. Session-Expires: 1800;refresher=uas. Server: PSTN-GW/v5.1.5 (MIDIGW). Content-Length: 248. . v=0. o=- 250 484 IN IP4 10.20.20.153. s=-. c=IN IP4 10.20.20.153. t=0 0. m=audio 6022 RTP/AVP 8 0 18 101. a=rtpmap:8 PCMA/8000. a=rtpmap:0 PCMU/8000. a=rtpmap:18 G729/8000. a=fmtp:18 annexb=no. a=rtpmap:101 telephone-event/8000. a=fmtp:101 0-16. # U 10.15.15.122:5060 -> 10.10.10.128:5060 SIP/2.0 200 OK. Via: SIP/2.0/UDP 10.10.10.128:5060;branch=z9hG4bK3q6t66206gh16hst42a1.1. To: ;tag=1268972986d6546921-c0f0-46ed-80de-4baa48ea613d. From: "33344408" ;tag=SDrp99a01-92528878-1A90. CSeq: 101 INVITE. Call-ID: SDrp99a01-97ec97ecc1bce7b80524fef2c3644cdb-ulkf820. Record-Route: . Allow: INVITE, ACK, CANCEL, BYE, OPTIONS, INFO, NOTIFY, REFER, MESSAGE, UPDATE. Contact: . Content-Type: application/sdp. Supported: replaces, norefersub, timer. Min-SE: 90. Session-Expires: 1800;refresher=uas. Server: PSTN-GW/v5.1.5 (MIDIGW). Content-Length: 248. . v=0. o=- 250 484 IN IP4 10.20.20.153. s=-. c=IN IP4 10.20.20.153. t=0 0. m=audio 6022 RTP/AVP 8 0 18 101. a=rtpmap:8 PCMA/8000. a=rtpmap:0 PCMU/8000. a=rtpmap:18 G729/8000. a=fmtp:18 annexb=no. a=rtpmap:101 telephone-event/8000. a=fmtp:101 0-16. # U 10.10.10.128:5060 -> 10.15.15.122:5060 ACK sip:96123456@10.15.15.122:5060 SIP/2.0. Via: SIP/2.0/UDP 10.10.10.128:5060;branch=z9hG4bKaiekdf104g6gchgul2e1.1. From: "33344408" ;tag=SDrp99a01-92528878-1A90. To: ;tag=1268972986d6546921-c0f0-46ed-80de-4baa48ea613d. Date: Wed, 30 Jun 2010 13:56:14 GMT. Call-ID: SDrp99a01-97ec97ecc1bce7b80524fef2c3644cdb-ulkf820. Max-Forwards: 68. CSeq: 101 ACK. Content-Length: 0. User-Agent: ProxySIP (1.4.2-notls (i386/linux)). Route: . . # U 10.20.20.153:5060 -> 10.15.15.122:5060 SIP/2.0 200 OK. Via: SIP/2.0/UDP 10.15.15.122;branch=z9hG4bKe213.6f13.0. Via: SIP/2.0/UDP 10.10.10.128:5060;branch=z9hG4bK3q6t66206gh16hst42a1.1. To: ;tag=1268972986d6546921-c0f0-46ed-80de-4baa48ea613d. From: "33344408" ;tag=SDrp99a01-92528878-1A90. CSeq: 101 INVITE. Call-ID: SDrp99a01-97ec97ecc1bce7b80524fef2c3644cdb-ulkf820. Record-Route: . Allow: INVITE, ACK, CANCEL, BYE, OPTIONS, INFO, NOTIFY, REFER, MESSAGE, UPDATE. Contact: . Content-Type: application/sdp. Supported: replaces, norefersub, timer. Min-SE: 90. Session-Expires: 1800;refresher=uas. Server: PSTN-GW/v5.1.5 (MIDIGW). Content-Length: 248. . v=0. o=- 250 484 IN IP4 10.20.20.153. s=-. c=IN IP4 10.20.20.153. t=0 0. m=audio 6022 RTP/AVP 8 0 18 101. a=rtpmap:8 PCMA/8000. a=rtpmap:0 PCMU/8000. a=rtpmap:18 G729/8000. a=fmtp:18 annexb=no. a=rtpmap:101 telephone-event/8000. a=fmtp:101 0-16. # U 10.15.15.122:5060 -> 10.10.10.128:5060 SIP/2.0 200 OK. Via: SIP/2.0/UDP 10.10.10.128:5060;branch=z9hG4bK3q6t66206gh16hst42a1.1. To: ;tag=1268972986d6546921-c0f0-46ed-80de-4baa48ea613d. From: "33344408" ;tag=SDrp99a01-92528878-1A90. CSeq: 101 INVITE. Call-ID: SDrp99a01-97ec97ecc1bce7b80524fef2c3644cdb-ulkf820. Record-Route: . Allow: INVITE, ACK, CANCEL, BYE, OPTIONS, INFO, NOTIFY, REFER, MESSAGE, UPDATE. Contact: . Content-Type: application/sdp. Supported: replaces, norefersub, timer. Min-SE: 90. Session-Expires: 1800;refresher=uas. Server: PSTN-GW/v5.1.5 (MIDIGW). Content-Length: 248. . v=0. o=- 250 484 IN IP4 10.20.20.153. s=-. c=IN IP4 10.20.20.153. t=0 0. m=audio 6022 RTP/AVP 8 0 18 101. a=rtpmap:8 PCMA/8000. a=rtpmap:0 PCMU/8000. a=rtpmap:18 G729/8000. a=fmtp:18 annexb=no. a=rtpmap:101 telephone-event/8000. a=fmtp:101 0-16. # U 10.10.10.128:5060 -> 10.15.15.122:5060 ACK sip:96123456@10.15.15.122:5060 SIP/2.0. Via: SIP/2.0/UDP 10.10.10.128:5060;branch=z9hG4bKaiekdf104g6gchgul2e1.1. From: "33344408" ;tag=SDrp99a01-92528878-1A90. To: ;tag=1268972986d6546921-c0f0-46ed-80de-4baa48ea613d. Date: Wed, 30 Jun 2010 13:56:14 GMT. Call-ID: SDrp99a01-97ec97ecc1bce7b80524fef2c3644cdb-ulkf820. Max-Forwards: 68. CSeq: 101 ACK. Content-Length: 0. User-Agent: ProxySIP (1.4.2-notls (i386/linux)). Route: . . # U 10.20.20.153:5060 -> 10.15.15.122:5060 SIP/2.0 200 OK. Via: SIP/2.0/UDP 10.15.15.122;branch=z9hG4bKe213.6f13.0. Via: SIP/2.0/UDP 10.10.10.128:5060;branch=z9hG4bK3q6t66206gh16hst42a1.1. To: ;tag=1268972986d6546921-c0f0-46ed-80de-4baa48ea613d. From: "33344408" ;tag=SDrp99a01-92528878-1A90. CSeq: 101 INVITE. Call-ID: SDrp99a01-97ec97ecc1bce7b80524fef2c3644cdb-ulkf820. Record-Route: . Allow: INVITE, ACK, CANCEL, BYE, OPTIONS, INFO, NOTIFY, REFER, MESSAGE, UPDATE. Contact: . Content-Type: application/sdp. Supported: replaces, norefersub, timer. Min-SE: 90. Session-Expires: 1800;refresher=uas. Server: PSTN-GW/v5.1.5 (MIDIGW). Content-Length: 248. . v=0. o=- 250 484 IN IP4 10.20.20.153. s=-. c=IN IP4 10.20.20.153. t=0 0. m=audio 6022 RTP/AVP 8 0 18 101. a=rtpmap:8 PCMA/8000. a=rtpmap:0 PCMU/8000. a=rtpmap:18 G729/8000. a=fmtp:18 annexb=no. a=rtpmap:101 telephone-event/8000. a=fmtp:101 0-16. # U 10.15.15.122:5060 -> 10.10.10.128:5060 SIP/2.0 200 OK. Via: SIP/2.0/UDP 10.10.10.128:5060;branch=z9hG4bK3q6t66206gh16hst42a1.1. To: ;tag=1268972986d6546921-c0f0-46ed-80de-4baa48ea613d. From: "33344408" ;tag=SDrp99a01-92528878-1A90. CSeq: 101 INVITE. Call-ID: SDrp99a01-97ec97ecc1bce7b80524fef2c3644cdb-ulkf820. Record-Route: . Allow: INVITE, ACK, CANCEL, BYE, OPTIONS, INFO, NOTIFY, REFER, MESSAGE, UPDATE. Contact: . Content-Type: application/sdp. Supported: replaces, norefersub, timer. Min-SE: 90. Session-Expires: 1800;refresher=uas. Server: PSTN-GW/v5.1.5 (MIDIGW). Content-Length: 248. . v=0. o=- 250 484 IN IP4 10.20.20.153. s=-. c=IN IP4 10.20.20.153. t=0 0. m=audio 6022 RTP/AVP 8 0 18 101. a=rtpmap:8 PCMA/8000. a=rtpmap:0 PCMU/8000. a=rtpmap:18 G729/8000. a=fmtp:18 annexb=no. a=rtpmap:101 telephone-event/8000. a=fmtp:101 0-16. # U 10.10.10.128:5060 -> 10.15.15.122:5060 ACK sip:96123456@10.15.15.122:5060 SIP/2.0. Via: SIP/2.0/UDP 10.10.10.128:5060;branch=z9hG4bKaiekdf104g6gchgul2e1.1. From: "33344408" ;tag=SDrp99a01-92528878-1A90. To: ;tag=1268972986d6546921-c0f0-46ed-80de-4baa48ea613d. Date: Wed, 30 Jun 2010 13:56:14 GMT. Call-ID: SDrp99a01-97ec97ecc1bce7b80524fef2c3644cdb-ulkf820. Max-Forwards: 68. CSeq: 101 ACK. Content-Length: 0. User-Agent: ProxySIP (1.4.2-notls (i386/linux)). Route: . . # U 10.20.20.153:5060 -> 10.15.15.122:5060 SIP/2.0 200 OK. Via: SIP/2.0/UDP 10.15.15.122;branch=z9hG4bKe213.6f13.0. Via: SIP/2.0/UDP 10.10.10.128:5060;branch=z9hG4bK3q6t66206gh16hst42a1.1. To: ;tag=1268972986d6546921-c0f0-46ed-80de-4baa48ea613d. From: "33344408" ;tag=SDrp99a01-92528878-1A90. CSeq: 101 INVITE. Call-ID: SDrp99a01-97ec97ecc1bce7b80524fef2c3644cdb-ulkf820. Record-Route: . Allow: INVITE, ACK, CANCEL, BYE, OPTIONS, INFO, NOTIFY, REFER, MESSAGE, UPDATE. Contact: . Content-Type: application/sdp. Supported: replaces, norefersub, timer. Min-SE: 90. Session-Expires: 1800;refresher=uas. Server: PSTN-GW/v5.1.5 (MIDIGW). Content-Length: 248. . v=0. o=- 250 484 IN IP4 10.20.20.153. s=-. c=IN IP4 10.20.20.153. t=0 0. m=audio 6022 RTP/AVP 8 0 18 101. a=rtpmap:8 PCMA/8000. a=rtpmap:0 PCMU/8000. a=rtpmap:18 G729/8000. a=fmtp:18 annexb=no. a=rtpmap:101 telephone-event/8000. a=fmtp:101 0-16. # U 10.15.15.122:5060 -> 10.10.10.128:5060 SIP/2.0 200 OK. Via: SIP/2.0/UDP 10.10.10.128:5060;branch=z9hG4bK3q6t66206gh16hst42a1.1. To: ;tag=1268972986d6546921-c0f0-46ed-80de-4baa48ea613d. From: "33344408" ;tag=SDrp99a01-92528878-1A90. CSeq: 101 INVITE. Call-ID: SDrp99a01-97ec97ecc1bce7b80524fef2c3644cdb-ulkf820. Record-Route: . Allow: INVITE, ACK, CANCEL, BYE, OPTIONS, INFO, NOTIFY, REFER, MESSAGE, UPDATE. Contact: . Content-Type: application/sdp. Supported: replaces, norefersub, timer. Min-SE: 90. Session-Expires: 1800;refresher=uas. Server: PSTN-GW/v5.1.5 (MIDIGW). Content-Length: 248. . v=0. o=- 250 484 IN IP4 10.20.20.153. s=-. c=IN IP4 10.20.20.153. t=0 0. m=audio 6022 RTP/AVP 8 0 18 101. a=rtpmap:8 PCMA/8000. a=rtpmap:0 PCMU/8000. a=rtpmap:18 G729/8000. a=fmtp:18 annexb=no. a=rtpmap:101 telephone-event/8000. a=fmtp:101 0-16. # U 10.10.10.128:5060 -> 10.15.15.122:5060 ACK sip:96123456@10.15.15.122:5060 SIP/2.0. Via: SIP/2.0/UDP 10.10.10.128:5060;branch=z9hG4bKaiekdf104g6gchgul2e1.1. From: "33344408" ;tag=SDrp99a01-92528878-1A90. To: ;tag=1268972986d6546921-c0f0-46ed-80de-4baa48ea613d. Date: Wed, 30 Jun 2010 13:56:14 GMT. Call-ID: SDrp99a01-97ec97ecc1bce7b80524fef2c3644cdb-ulkf820. Max-Forwards: 68. CSeq: 101 ACK. Content-Length: 0. User-Agent: ProxySIP (1.4.2-notls (i386/linux)). Route: . . # U 10.20.20.153:5060 -> 10.15.15.122:5060 SIP/2.0 200 OK. Via: SIP/2.0/UDP 10.15.15.122;branch=z9hG4bKe213.6f13.0. Via: SIP/2.0/UDP 10.10.10.128:5060;branch=z9hG4bK3q6t66206gh16hst42a1.1. To: ;tag=1268972986d6546921-c0f0-46ed-80de-4baa48ea613d. From: "33344408" ;tag=SDrp99a01-92528878-1A90. CSeq: 101 INVITE. Call-ID: SDrp99a01-97ec97ecc1bce7b80524fef2c3644cdb-ulkf820. Record-Route: . Allow: INVITE, ACK, CANCEL, BYE, OPTIONS, INFO, NOTIFY, REFER, MESSAGE, UPDATE. Contact: . Content-Type: application/sdp. Supported: replaces, norefersub, timer. Min-SE: 90. Session-Expires: 1800;refresher=uas. Server: PSTN-GW/v5.1.5 (MIDIGW). Content-Length: 248. . v=0. o=- 250 484 IN IP4 10.20.20.153. s=-. c=IN IP4 10.20.20.153. t=0 0. m=audio 6022 RTP/AVP 8 0 18 101. a=rtpmap:8 PCMA/8000. a=rtpmap:0 PCMU/8000. a=rtpmap:18 G729/8000. a=fmtp:18 annexb=no. a=rtpmap:101 telephone-event/8000. a=fmtp:101 0-16. # U 10.15.15.122:5060 -> 10.10.10.128:5060 SIP/2.0 200 OK. Via: SIP/2.0/UDP 10.10.10.128:5060;branch=z9hG4bK3q6t66206gh16hst42a1.1. To: ;tag=1268972986d6546921-c0f0-46ed-80de-4baa48ea613d. From: "33344408" ;tag=SDrp99a01-92528878-1A90. CSeq: 101 INVITE. Call-ID: SDrp99a01-97ec97ecc1bce7b80524fef2c3644cdb-ulkf820. Record-Route: . Allow: INVITE, ACK, CANCEL, BYE, OPTIONS, INFO, NOTIFY, REFER, MESSAGE, UPDATE. Contact: . Content-Type: application/sdp. Supported: replaces, norefersub, timer. Min-SE: 90. Session-Expires: 1800;refresher=uas. Server: PSTN-GW/v5.1.5 (MIDIGW). Content-Length: 248. . v=0. o=- 250 484 IN IP4 10.20.20.153. s=-. c=IN IP4 10.20.20.153. t=0 0. m=audio 6022 RTP/AVP 8 0 18 101. a=rtpmap:8 PCMA/8000. a=rtpmap:0 PCMU/8000. a=rtpmap:18 G729/8000. a=fmtp:18 annexb=no. a=rtpmap:101 telephone-event/8000. a=fmtp:101 0-16. # U 10.10.10.128:5060 -> 10.15.15.122:5060 ACK sip:96123456@10.15.15.122:5060 SIP/2.0. Via: SIP/2.0/UDP 10.10.10.128:5060;branch=z9hG4bKaiekdf104g6gchgul2e1.1. From: "33344408" ;tag=SDrp99a01-92528878-1A90. To: ;tag=1268972986d6546921-c0f0-46ed-80de-4baa48ea613d. Date: Wed, 30 Jun 2010 13:56:14 GMT. Call-ID: SDrp99a01-97ec97ecc1bce7b80524fef2c3644cdb-ulkf820. Max-Forwards: 68. CSeq: 101 ACK. Content-Length: 0. User-Agent: ProxySIP (1.4.2-notls (i386/linux)). Route: . . # U 10.20.20.153:5060 -> 10.15.15.122:5060 SIP/2.0 200 OK. Via: SIP/2.0/UDP 10.15.15.122;branch=z9hG4bKe213.6f13.0. Via: SIP/2.0/UDP 10.10.10.128:5060;branch=z9hG4bK3q6t66206gh16hst42a1.1. To: ;tag=1268972986d6546921-c0f0-46ed-80de-4baa48ea613d. From: "33344408" ;tag=SDrp99a01-92528878-1A90. CSeq: 101 INVITE. Call-ID: SDrp99a01-97ec97ecc1bce7b80524fef2c3644cdb-ulkf820. Record-Route: . Allow: INVITE, ACK, CANCEL, BYE, OPTIONS, INFO, NOTIFY, REFER, MESSAGE, UPDATE. Contact: . Content-Type: application/sdp. Supported: replaces, norefersub, timer. Min-SE: 90. Session-Expires: 1800;refresher=uas. Server: PSTN-GW/v5.1.5 (MIDIGW). Content-Length: 248. . v=0. o=- 250 484 IN IP4 10.20.20.153. s=-. c=IN IP4 10.20.20.153. t=0 0. m=audio 6022 RTP/AVP 8 0 18 101. a=rtpmap:8 PCMA/8000. a=rtpmap:0 PCMU/8000. a=rtpmap:18 G729/8000. a=fmtp:18 annexb=no. a=rtpmap:101 telephone-event/8000. a=fmtp:101 0-16. # U 10.15.15.122:5060 -> 10.10.10.128:5060 SIP/2.0 200 OK. Via: SIP/2.0/UDP 10.10.10.128:5060;branch=z9hG4bK3q6t66206gh16hst42a1.1. To: ;tag=1268972986d6546921-c0f0-46ed-80de-4baa48ea613d. From: "33344408" ;tag=SDrp99a01-92528878-1A90. CSeq: 101 INVITE. Call-ID: SDrp99a01-97ec97ecc1bce7b80524fef2c3644cdb-ulkf820. Record-Route: . Allow: INVITE, ACK, CANCEL, BYE, OPTIONS, INFO, NOTIFY, REFER, MESSAGE, UPDATE. Contact: . Content-Type: application/sdp. Supported: replaces, norefersub, timer. Min-SE: 90. Session-Expires: 1800;refresher=uas. Server: PSTN-GW/v5.1.5 (MIDIGW). Content-Length: 248. . v=0. o=- 250 484 IN IP4 10.20.20.153. s=-. c=IN IP4 10.20.20.153. t=0 0. m=audio 6022 RTP/AVP 8 0 18 101. a=rtpmap:8 PCMA/8000. a=rtpmap:0 PCMU/8000. a=rtpmap:18 G729/8000. a=fmtp:18 annexb=no. a=rtpmap:101 telephone-event/8000. a=fmtp:101 0-16. # U 10.10.10.128:5060 -> 10.15.15.122:5060 ACK sip:96123456@10.15.15.122:5060 SIP/2.0. Via: SIP/2.0/UDP 10.10.10.128:5060;branch=z9hG4bKaiekdf104g6gchgul2e1.1. From: "33344408" ;tag=SDrp99a01-92528878-1A90. To: ;tag=1268972986d6546921-c0f0-46ed-80de-4baa48ea613d. Date: Wed, 30 Jun 2010 13:56:14 GMT. Call-ID: SDrp99a01-97ec97ecc1bce7b80524fef2c3644cdb-ulkf820. Max-Forwards: 68. CSeq: 101 ACK. Content-Length: 0. User-Agent: ProxySIP (1.4.2-notls (i386/linux)). Route: . . # U 10.20.20.153:5060 -> 10.15.15.122:5060 SIP/2.0 200 OK. Via: SIP/2.0/UDP 10.15.15.122;branch=z9hG4bKe213.6f13.0. Via: SIP/2.0/UDP 10.10.10.128:5060;branch=z9hG4bK3q6t66206gh16hst42a1.1. To: ;tag=1268972986d6546921-c0f0-46ed-80de-4baa48ea613d. From: "33344408" ;tag=SDrp99a01-92528878-1A90. CSeq: 101 INVITE. Call-ID: SDrp99a01-97ec97ecc1bce7b80524fef2c3644cdb-ulkf820. Record-Route: . Allow: INVITE, ACK, CANCEL, BYE, OPTIONS, INFO, NOTIFY, REFER, MESSAGE, UPDATE. Contact: . Content-Type: application/sdp. Supported: replaces, norefersub, timer. Min-SE: 90. Session-Expires: 1800;refresher=uas. Server: PSTN-GW/v5.1.5 (MIDIGW). Content-Length: 248. . v=0. o=- 250 484 IN IP4 10.20.20.153. s=-. c=IN IP4 10.20.20.153. t=0 0. m=audio 6022 RTP/AVP 8 0 18 101. a=rtpmap:8 PCMA/8000. a=rtpmap:0 PCMU/8000. a=rtpmap:18 G729/8000. a=fmtp:18 annexb=no. a=rtpmap:101 telephone-event/8000. a=fmtp:101 0-16. # U 10.15.15.122:5060 -> 10.10.10.128:5060 SIP/2.0 200 OK. Via: SIP/2.0/UDP 10.10.10.128:5060;branch=z9hG4bK3q6t66206gh16hst42a1.1. To: ;tag=1268972986d6546921-c0f0-46ed-80de-4baa48ea613d. From: "33344408" ;tag=SDrp99a01-92528878-1A90. CSeq: 101 INVITE. Call-ID: SDrp99a01-97ec97ecc1bce7b80524fef2c3644cdb-ulkf820. Record-Route: . Allow: INVITE, ACK, CANCEL, BYE, OPTIONS, INFO, NOTIFY, REFER, MESSAGE, UPDATE. Contact: . Content-Type: application/sdp. Supported: replaces, norefersub, timer. Min-SE: 90. Session-Expires: 1800;refresher=uas. Server: PSTN-GW/v5.1.5 (MIDIGW). Content-Length: 248. . v=0. o=- 250 484 IN IP4 10.20.20.153. s=-. c=IN IP4 10.20.20.153. t=0 0. m=audio 6022 RTP/AVP 8 0 18 101. a=rtpmap:8 PCMA/8000. a=rtpmap:0 PCMU/8000. a=rtpmap:18 G729/8000. a=fmtp:18 annexb=no. a=rtpmap:101 telephone-event/8000. a=fmtp:101 0-16. # U 10.10.10.128:5060 -> 10.15.15.122:5060 ACK sip:96123456@10.15.15.122:5060 SIP/2.0. Via: SIP/2.0/UDP 10.10.10.128:5060;branch=z9hG4bKaiekdf104g6gchgul2e1.1. From: "33344408" ;tag=SDrp99a01-92528878-1A90. To: ;tag=1268972986d6546921-c0f0-46ed-80de-4baa48ea613d. Date: Wed, 30 Jun 2010 13:56:14 GMT. Call-ID: SDrp99a01-97ec97ecc1bce7b80524fef2c3644cdb-ulkf820. Max-Forwards: 68. CSeq: 101 ACK. Content-Length: 0. User-Agent: ProxySIP (1.4.2-notls (i386/linux)). Route: . . # U 10.20.20.153:5060 -> 10.15.15.122:5060 SIP/2.0 200 OK. Via: SIP/2.0/UDP 10.15.15.122;branch=z9hG4bKe213.6f13.0. Via: SIP/2.0/UDP 10.10.10.128:5060;branch=z9hG4bK3q6t66206gh16hst42a1.1. To: ;tag=1268972986d6546921-c0f0-46ed-80de-4baa48ea613d. From: "33344408" ;tag=SDrp99a01-92528878-1A90. CSeq: 101 INVITE. Call-ID: SDrp99a01-97ec97ecc1bce7b80524fef2c3644cdb-ulkf820. Record-Route: . Allow: INVITE, ACK, CANCEL, BYE, OPTIONS, INFO, NOTIFY, REFER, MESSAGE, UPDATE. Contact: . Content-Type: application/sdp. Supported: replaces, norefersub, timer. Min-SE: 90. Session-Expires: 1800;refresher=uas. Server: PSTN-GW/v5.1.5 (MIDIGW). Content-Length: 248. . v=0. o=- 250 484 IN IP4 10.20.20.153. s=-. c=IN IP4 10.20.20.153. t=0 0. m=audio 6022 RTP/AVP 8 0 18 101. a=rtpmap:8 PCMA/8000. a=rtpmap:0 PCMU/8000. a=rtpmap:18 G729/8000. a=fmtp:18 annexb=no. a=rtpmap:101 telephone-event/8000. a=fmtp:101 0-16. # U 10.15.15.122:5060 -> 10.10.10.128:5060 SIP/2.0 200 OK. Via: SIP/2.0/UDP 10.10.10.128:5060;branch=z9hG4bK3q6t66206gh16hst42a1.1. To: ;tag=1268972986d6546921-c0f0-46ed-80de-4baa48ea613d. From: "33344408" ;tag=SDrp99a01-92528878-1A90. CSeq: 101 INVITE. Call-ID: SDrp99a01-97ec97ecc1bce7b80524fef2c3644cdb-ulkf820. Record-Route: . Allow: INVITE, ACK, CANCEL, BYE, OPTIONS, INFO, NOTIFY, REFER, MESSAGE, UPDATE. Contact: . Content-Type: application/sdp. Supported: replaces, norefersub, timer. Min-SE: 90. Session-Expires: 1800;refresher=uas. Server: PSTN-GW/v5.1.5 (MIDIGW). Content-Length: 248. . v=0. o=- 250 484 IN IP4 10.20.20.153. s=-. c=IN IP4 10.20.20.153. t=0 0. m=audio 6022 RTP/AVP 8 0 18 101. a=rtpmap:8 PCMA/8000. a=rtpmap:0 PCMU/8000. a=rtpmap:18 G729/8000. a=fmtp:18 annexb=no. a=rtpmap:101 telephone-event/8000. a=fmtp:101 0-16. # U 10.10.10.128:5060 -> 10.15.15.122:5060 ACK sip:96123456@10.15.15.122:5060 SIP/2.0. Via: SIP/2.0/UDP 10.10.10.128:5060;branch=z9hG4bKaiekdf104g6gchgul2e1.1. From: "33344408" ;tag=SDrp99a01-92528878-1A90. To: ;tag=1268972986d6546921-c0f0-46ed-80de-4baa48ea613d. Date: Wed, 30 Jun 2010 13:56:14 GMT. Call-ID: SDrp99a01-97ec97ecc1bce7b80524fef2c3644cdb-ulkf820. Max-Forwards: 68. CSeq: 101 ACK. Content-Length: 0. User-Agent: ProxySIP (1.4.2-notls (i386/linux)). Route: . . # U 10.20.20.153:5060 -> 10.15.15.122:5060 SIP/2.0 200 OK. Via: SIP/2.0/UDP 10.15.15.122;branch=z9hG4bKe213.6f13.0. Via: SIP/2.0/UDP 10.10.10.128:5060;branch=z9hG4bK3q6t66206gh16hst42a1.1. To: ;tag=1268972986d6546921-c0f0-46ed-80de-4baa48ea613d. From: "33344408" ;tag=SDrp99a01-92528878-1A90. CSeq: 101 INVITE. Call-ID: SDrp99a01-97ec97ecc1bce7b80524fef2c3644cdb-ulkf820. Record-Route: . Allow: INVITE, ACK, CANCEL, BYE, OPTIONS, INFO, NOTIFY, REFER, MESSAGE, UPDATE. Contact: . Content-Type: application/sdp. Supported: replaces, norefersub, timer. Min-SE: 90. Session-Expires: 1800;refresher=uas. Server: PSTN-GW/v5.1.5 (MIDIGW). Content-Length: 248. . v=0. o=- 250 484 IN IP4 10.20.20.153. s=-. c=IN IP4 10.20.20.153. t=0 0. m=audio 6022 RTP/AVP 8 0 18 101. a=rtpmap:8 PCMA/8000. a=rtpmap:0 PCMU/8000. a=rtpmap:18 G729/8000. a=fmtp:18 annexb=no. a=rtpmap:101 telephone-event/8000. a=fmtp:101 0-16. # U 10.15.15.122:5060 -> 10.10.10.128:5060 SIP/2.0 200 OK. Via: SIP/2.0/UDP 10.10.10.128:5060;branch=z9hG4bK3q6t66206gh16hst42a1.1. To: ;tag=1268972986d6546921-c0f0-46ed-80de-4baa48ea613d. From: "33344408" ;tag=SDrp99a01-92528878-1A90. CSeq: 101 INVITE. Call-ID: SDrp99a01-97ec97ecc1bce7b80524fef2c3644cdb-ulkf820. Record-Route: . Allow: INVITE, ACK, CANCEL, BYE, OPTIONS, INFO, NOTIFY, REFER, MESSAGE, UPDATE. Contact: . Content-Type: application/sdp. Supported: replaces, norefersub, timer. Min-SE: 90. Session-Expires: 1800;refresher=uas. Server: PSTN-GW/v5.1.5 (MIDIGW). Content-Length: 248. . v=0. o=- 250 484 IN IP4 10.20.20.153. s=-. c=IN IP4 10.20.20.153. t=0 0. m=audio 6022 RTP/AVP 8 0 18 101. a=rtpmap:8 PCMA/8000. a=rtpmap:0 PCMU/8000. a=rtpmap:18 G729/8000. a=fmtp:18 annexb=no. a=rtpmap:101 telephone-event/8000. a=fmtp:101 0-16. # U 10.10.10.128:5060 -> 10.15.15.122:5060 ACK sip:96123456@10.15.15.122:5060 SIP/2.0. Via: SIP/2.0/UDP 10.10.10.128:5060;branch=z9hG4bKaiekdf104g6gchgul2e1.1. From: "33344408" ;tag=SDrp99a01-92528878-1A90. To: ;tag=1268972986d6546921-c0f0-46ed-80de-4baa48ea613d. Date: Wed, 30 Jun 2010 13:56:14 GMT. Call-ID: SDrp99a01-97ec97ecc1bce7b80524fef2c3644cdb-ulkf820. Max-Forwards: 68. CSeq: 101 ACK. Content-Length: 0. User-Agent: ProxySIP (1.4.2-notls (i386/linux)). Route: . . # U 10.20.20.153:5060 -> 10.15.15.122:5060 SIP/2.0 200 OK. Via: SIP/2.0/UDP 10.15.15.122;branch=z9hG4bKe213.6f13.0. Via: SIP/2.0/UDP 10.10.10.128:5060;branch=z9hG4bK3q6t66206gh16hst42a1.1. To: ;tag=1268972986d6546921-c0f0-46ed-80de-4baa48ea613d. From: "33344408" ;tag=SDrp99a01-92528878-1A90. CSeq: 101 INVITE. Call-ID: SDrp99a01-97ec97ecc1bce7b80524fef2c3644cdb-ulkf820. Record-Route: . Allow: INVITE, ACK, CANCEL, BYE, OPTIONS, INFO, NOTIFY, REFER, MESSAGE, UPDATE. Contact: . Content-Type: application/sdp. Supported: replaces, norefersub, timer. Min-SE: 90. Session-Expires: 1800;refresher=uas. Server: PSTN-GW/v5.1.5 (MIDIGW). Content-Length: 248. . v=0. o=- 250 484 IN IP4 10.20.20.153. s=-. c=IN IP4 10.20.20.153. t=0 0. m=audio 6022 RTP/AVP 8 0 18 101. a=rtpmap:8 PCMA/8000. a=rtpmap:0 PCMU/8000. a=rtpmap:18 G729/8000. a=fmtp:18 annexb=no. a=rtpmap:101 telephone-event/8000. a=fmtp:101 0-16. # U 10.15.15.122:5060 -> 10.10.10.128:5060 SIP/2.0 200 OK. Via: SIP/2.0/UDP 10.10.10.128:5060;branch=z9hG4bK3q6t66206gh16hst42a1.1. To: ;tag=1268972986d6546921-c0f0-46ed-80de-4baa48ea613d. From: "33344408" ;tag=SDrp99a01-92528878-1A90. CSeq: 101 INVITE. Call-ID: SDrp99a01-97ec97ecc1bce7b80524fef2c3644cdb-ulkf820. Record-Route: . Allow: INVITE, ACK, CANCEL, BYE, OPTIONS, INFO, NOTIFY, REFER, MESSAGE, UPDATE. Contact: . Content-Type: application/sdp. Supported: replaces, norefersub, timer. Min-SE: 90. Session-Expires: 1800;refresher=uas. Server: PSTN-GW/v5.1.5 (MIDIGW). Content-Length: 248. . v=0. o=- 250 484 IN IP4 10.20.20.153. s=-. c=IN IP4 10.20.20.153. t=0 0. m=audio 6022 RTP/AVP 8 0 18 101. a=rtpmap:8 PCMA/8000. a=rtpmap:0 PCMU/8000. a=rtpmap:18 G729/8000. a=fmtp:18 annexb=no. a=rtpmap:101 telephone-event/8000. a=fmtp:101 0-16. # U 10.10.10.128:5060 -> 10.15.15.122:5060 ACK sip:96123456@10.15.15.122:5060 SIP/2.0. Via: SIP/2.0/UDP 10.10.10.128:5060;branch=z9hG4bKaiekdf104g6gchgul2e1.1. From: "33344408" ;tag=SDrp99a01-92528878-1A90. To: ;tag=1268972986d6546921-c0f0-46ed-80de-4baa48ea613d. Date: Wed, 30 Jun 2010 13:56:14 GMT. Call-ID: SDrp99a01-97ec97ecc1bce7b80524fef2c3644cdb-ulkf820. Max-Forwards: 68. CSeq: 101 ACK. Content-Length: 0. User-Agent: ProxySIP (1.4.2-notls (i386/linux)). Route: . . # U 10.20.20.153:5060 -> 10.15.15.122:5060 SIP/2.0 200 OK. Via: SIP/2.0/UDP 10.15.15.122;branch=z9hG4bKe213.6f13.0. Via: SIP/2.0/UDP 10.10.10.128:5060;branch=z9hG4bK3q6t66206gh16hst42a1.1. To: ;tag=1268972986d6546921-c0f0-46ed-80de-4baa48ea613d. From: "33344408" ;tag=SDrp99a01-92528878-1A90. CSeq: 101 INVITE. Call-ID: SDrp99a01-97ec97ecc1bce7b80524fef2c3644cdb-ulkf820. Record-Route: . Allow: INVITE, ACK, CANCEL, BYE, OPTIONS, INFO, NOTIFY, REFER, MESSAGE, UPDATE. Contact: . Content-Type: application/sdp. Supported: replaces, norefersub, timer. Min-SE: 90. Session-Expires: 1800;refresher=uas. Server: PSTN-GW/v5.1.5 (MIDIGW). Content-Length: 248. . v=0. o=- 250 484 IN IP4 10.20.20.153. s=-. c=IN IP4 10.20.20.153. t=0 0. m=audio 6022 RTP/AVP 8 0 18 101. a=rtpmap:8 PCMA/8000. a=rtpmap:0 PCMU/8000. a=rtpmap:18 G729/8000. a=fmtp:18 annexb=no. a=rtpmap:101 telephone-event/8000. a=fmtp:101 0-16. # U 10.15.15.122:5060 -> 10.10.10.128:5060 SIP/2.0 200 OK. Via: SIP/2.0/UDP 10.10.10.128:5060;branch=z9hG4bK3q6t66206gh16hst42a1.1. To: ;tag=1268972986d6546921-c0f0-46ed-80de-4baa48ea613d. From: "33344408" ;tag=SDrp99a01-92528878-1A90. CSeq: 101 INVITE. Call-ID: SDrp99a01-97ec97ecc1bce7b80524fef2c3644cdb-ulkf820. Record-Route: . Allow: INVITE, ACK, CANCEL, BYE, OPTIONS, INFO, NOTIFY, REFER, MESSAGE, UPDATE. Contact: . Content-Type: application/sdp. Supported: replaces, norefersub, timer. Min-SE: 90. Session-Expires: 1800;refresher=uas. Server: PSTN-GW/v5.1.5 (MIDIGW). Content-Length: 248. . v=0. o=- 250 484 IN IP4 10.20.20.153. s=-. c=IN IP4 10.20.20.153. t=0 0. m=audio 6022 RTP/AVP 8 0 18 101. a=rtpmap:8 PCMA/8000. a=rtpmap:0 PCMU/8000. a=rtpmap:18 G729/8000. a=fmtp:18 annexb=no. a=rtpmap:101 telephone-event/8000. a=fmtp:101 0-16. # U 10.10.10.128:5060 -> 10.15.15.122:5060 ACK sip:96123456@10.15.15.122:5060 SIP/2.0. Via: SIP/2.0/UDP 10.10.10.128:5060;branch=z9hG4bKaiekdf104g6gchgul2e1.1. From: "33344408" ;tag=SDrp99a01-92528878-1A90. To: ;tag=1268972986d6546921-c0f0-46ed-80de-4baa48ea613d. Date: Wed, 30 Jun 2010 13:56:14 GMT. Call-ID: SDrp99a01-97ec97ecc1bce7b80524fef2c3644cdb-ulkf820. Max-Forwards: 68. CSeq: 101 ACK. Content-Length: 0. User-Agent: ProxySIP (1.4.2-notls (i386/linux)). Route: . . # U 10.20.20.153:5060 -> 10.15.15.122:5060 BYE sip:33344408@10.10.10.128:5060;transport=UDP SIP/2.0. Via: SIP/2.0/UDP 10.20.20.153:5060;rport;branch=z9hG4bKEPSVBUS89f51f01-1efb-4ecf-a032-44027524d7ce. To: "33344408" ;tag=SDrp99a01-92528878-1A90. From: ;tag=1268972986d6546921-c0f0-46ed-80de-4baa48ea613d. CSeq: 285 BYE. Call-ID: SDrp99a01-97ec97ecc1bce7b80524fef2c3644cdb-ulkf820. User-Agent: PSTN-GW/v5.1.5 (MIDIGW). Max-Forwards: 70. Route: . Content-Length: 0. . # U 10.15.15.122:5060 -> 10.10.10.128:5060 BYE sip:33344408@10.10.10.128:5060;transport=UDP SIP/2.0. Record-Route: . Via: SIP/2.0/UDP 10.15.15.122;branch=z9hG4bK2c99.d733.0. Via: SIP/2.0/UDP 10.20.20.153:5060;rport=5060;branch=z9hG4bKEPSVBUS89f51f01-1efb-4ecf-a032-44027524d7ce. To: "33344408" ;tag=SDrp99a01-92528878-1A90. From: ;tag=1268972986d6546921-c0f0-46ed-80de-4baa48ea613d. CSeq: 285 BYE. Call-ID: SDrp99a01-97ec97ecc1bce7b80524fef2c3644cdb-ulkf820. User-Agent: PSTN-GW/v5.1.5 (MIDIGW). Max-Forwards: 16. Content-Length: 0. P-hint: rr-enforced. . # U 10.10.10.128:5060 -> 10.15.15.122:5060 SIP/2.0 200 OK. Via: SIP/2.0/UDP 10.15.15.122;branch=z9hG4bK2c99.d733.0. Via: SIP/2.0/UDP 10.20.20.153:5060;rport=5060;branch=z9hG4bKEPSVBUS89f51f01-1efb-4ecf-a032-44027524d7ce. To: "33344408" ;tag=SDrp99a01-92528878-1A90. From: ;tag=1268972986d6546921-c0f0-46ed-80de-4baa48ea613d. CSeq: 285 BYE. Call-ID: SDrp99a01-97ec97ecc1bce7b80524fef2c3644cdb-ulkf820. Record-Route: . Server: ProxySIP (1.4.2-notls (i386/linux)). Content-Length: 0. . # U 10.15.15.122:5060 -> 10.20.20.153:5060 SIP/2.0 200 OK. Via: SIP/2.0/UDP 10.20.20.153:5060;rport=5060;branch=z9hG4bKEPSVBUS89f51f01-1efb-4ecf-a032-44027524d7ce. To: "33344408" ;tag=SDrp99a01-92528878-1A90. From: ;tag=1268972986d6546921-c0f0-46ed-80de-4baa48ea613d. CSeq: 285 BYE. Call-ID: SDrp99a01-97ec97ecc1bce7b80524fef2c3644cdb-ulkf820. Record-Route: . Server: ProxySIP (1.4.2-notls (i386/linux)). Content-Length: 0. . exit