U 2014/03/26 10:49:08.556019 1.1.1.1:53876 -> 1.1.1.2:5060 INVITE sip:3364399@1.1.1.2:5060 SIP/2.0. Via: SIP/2.0/UDP 1.1.1.1:5060;x-route-tag="tgrp:TFOP";branch=z9hG4bK448B21124B. From: ;tag=32C4640-18B3. To: . Date: Wed, 26 Mar 2014 06:49:08 GMT. Call-ID: 90A25AC0-B3E911E3-B077DBBA-3DF918A8@1.1.1.1. Supported: 100rel,timer,resource-priority,replaces,sdp-anat. Min-SE: 1800. Cisco-Guid: 2426479216-3018396131-3064463394-2438468884. User-Agent: Cisco-SIPGateway/IOS-12.x. Accept-Language: ru. Allow: INVITE, OPTIONS, BYE, CANCEL, ACK, PRACK, UPDATE, REFER, SUBSCRIBE, NOTIFY, INFO, REGISTER. CSeq: 101 INVITE. Max-Forwards: 15. Timestamp: 1395816548. Contact: . Expires: 100. Allow-Events: telephone-event. P-Asserted-Identity: . Content-Type: application/sdp. Content-Disposition: session;handling=required. Content-Length: 310. . v=0. o=CiscoSystemsSIP-GW-UserAgent 4030 1274 IN IP4 1.1.1.1. s=SIP Call. c=IN IP4 1.1.1.1. t=0 0. m=audio 18038 RTP/AVP 8 0 18 101. c=IN IP4 1.1.1.1. a=rtpmap:8 PCMA/8000. a=rtpmap:0 PCMU/8000. a=rtpmap:18 G729/8000. a=fmtp:18 annexb=yes. a=rtpmap:101 telephone-event/8000. a=fmtp:101 0-16. U 2014/03/26 10:49:08.557516 1.1.1.2:5060 -> 1.1.1.1:5060 SIP/2.0 100 Giving a try. Via: SIP/2.0/UDP 1.1.1.1:5060;x-route-tag="tgrp:TFOP";branch=z9hG4bK448B21124B. From: ;tag=32C4640-18B3. To: . Call-ID: 90A25AC0-B3E911E3-B077DBBA-3DF918A8@1.1.1.1. CSeq: 101 INVITE. Content-Length: 0. . U 2014/03/26 10:49:08.566102 1.1.1.2:5060 -> 1.1.1.3:5060 INVITE sip:78123364399@1.1.1.3:5060 SIP/2.0. Record-Route: . Via: SIP/2.0/UDP 1.1.1.2:5060;branch=z9hG4bKcad3.e39f27b7.0. Via: SIP/2.0/UDP 1.1.1.1:5060;x-route-tag="tgrp:TFOP";branch=z9hG4bK448B21124B. From: ;tag=32C4640-18B3. To: . Date: Wed, 26 Mar 2014 06:49:08 GMT. Call-ID: 90A25AC0-B3E911E3-B077DBBA-3DF918A8@1.1.1.1. Supported: 100rel,timer,resource-priority,replaces,sdp-anat. Min-SE: 1800. Cisco-Guid: 2426479216-3018396131-3064463394-2438468884. User-Agent: Cisco-SIPGateway/IOS-12.x. Accept-Language: ru. Allow: INVITE, OPTIONS, BYE, CANCEL, ACK, PRACK, UPDATE, REFER, SUBSCRIBE, NOTIFY, INFO, REGISTER. CSeq: 101 INVITE. Max-Forwards: 15. Timestamp: 1395816548. Contact: . Remote-Party-ID:;party=calling;screen=yes;privacy=off. Expires: 100. Allow-Events: telephone-event. P-Asserted-Identity: . Content-Type: application/sdp. Content-Disposition: session;handling=required. Content-Length: 310. . v=0. o=CiscoSystemsSIP-GW-UserAgent 4030 1274 IN IP4 1.1.1.1. s=SIP Call. c=IN IP4 1.1.1.1. t=0 0. m=audio 18038 RTP/AVP 8 0 18 101. c=IN IP4 1.1.1.1. a=rtpmap:8 PCMA/8000. a=rtpmap:0 PCMU/8000. a=rtpmap:18 G729/8000. a=fmtp:18 annexb=yes. a=rtpmap:101 telephone-event/8000. a=fmtp:101 0-16. U 2014/03/26 10:49:08.573798 1.1.1.3:5060 -> 1.1.1.2:5060 SIP/2.0 100 Trying. Via: SIP/2.0/UDP 1.1.1.2:5060;branch=z9hG4bKcad3.e39f27b7.0. Via: SIP/2.0/UDP 1.1.1.1:5060;x-route-tag="tgrp:TFOP";branch=z9hG4bK448B21124B. From: ;tag=32C4640-18B3. To: . Call-ID: 90A25AC0-B3E911E3-B077DBBA-3DF918A8@1.1.1.1. CSeq: 101 INVITE. Server: Telphin SoftSwitch. Content-Length: 0. . U 2014/03/26 10:49:08.576295 1.1.1.3:5060 -> 1.1.1.2:5060 SIP/2.0 603 Declined. Via: SIP/2.0/UDP 1.1.1.2:5060;branch=z9hG4bKcad3.e39f27b7.0. Via: SIP/2.0/UDP 1.1.1.1:5060;x-route-tag="tgrp:TFOP";branch=z9hG4bK448B21124B. From: ;tag=32C4640-18B3. To: ;tag=as26700a4a. Call-ID: 90A25AC0-B3E911E3-B077DBBA-3DF918A8@1.1.1.1. CSeq: 101 INVITE. Server: Telphin MediaServer. Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO. Supported: replaces. Content-Length: 0. . U 2014/03/26 10:49:08.576787 1.1.1.2:5060 -> 1.1.1.3:5060 ACK sip:78123364399@1.1.1.3:5060 SIP/2.0. Via: SIP/2.0/UDP 1.1.1.2:5060;branch=z9hG4bKcad3.e39f27b7.0. From: ;tag=32C4640-18B3. Call-ID: 90A25AC0-B3E911E3-B077DBBA-3DF918A8@1.1.1.1. To: ;tag=as26700a4a. CSeq: 101 ACK. Max-Forwards: 70. Content-Length: 0. . U 2014/03/26 10:49:08.577440 1.1.1.2:5060 -> 1.1.1.1:5060 SIP/2.0 603 Declined. Via: SIP/2.0/UDP 1.1.1.1:5060;x-route-tag="tgrp:TFOP";branch=z9hG4bK448B21124B. From: ;tag=32C4640-18B3. To: ;tag=as26700a4a. Call-ID: 90A25AC0-B3E911E3-B077DBBA-3DF918A8@1.1.1.1. CSeq: 101 INVITE. Server: Telphin MediaServer. Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO. Supported: replaces. Content-Length: 0. . U 2014/03/26 10:49:08.582176 1.1.1.1:53876 -> 1.1.1.2:5060 ACK sip:3364399@1.1.1.2:5060 SIP/2.0. Via: SIP/2.0/UDP 1.1.1.1:5060;x-route-tag="tgrp:TFOP";branch=z9hG4bK448B21124B. From: ;tag=32C4640-18B3. To: ;tag=as26700a4a. Date: Wed, 26 Mar 2014 06:49:08 GMT. Call-ID: 90A25AC0-B3E911E3-B077DBBA-3DF918A8@1.1.1.1. Max-Forwards: 15. CSeq: 101 ACK. Allow-Events: telephone-event. Content-Length: 0. .