I have set up an Asterisk with Fedora Core 14. Has two virtual machines running with Sun Virtual Box running XP with bridged ethernet. Each has a xlite phone. Tried to create a basic call flow and here is the output.
IP Address:
Asterisk Server : 192.168.1.2
Virtual Mach 1 : 192.168.1.3
Virtual Mach 2 : 192.168.1.4
Extensions:
*CLI&~~SPECIAL_REMOVE!#~~gt; sip show peers
Name/username Host Dyn Forcerport ACL Port Status
6000/6000 192.168.1.4 D N 10988 Unmonitored
6001/6001 192.168.1.3 D N 50690 Unmonitored
2 sip peers [Monitored: 0 online, 0 offline Unmonitored: 2 online, 0 offline]
*CLI&~~SPECIAL_REMOVE!#~~gt;
Description:
- Add two SIP endpoints to Asterisk.
- Make a call from 6001 to 6000
- Disconnect the call from 6000.
Call Flow [Wireshark]:
SIP Messages and Observations:
1. Invite [8.956]: [Caller to Asterisk]
INVITE sip:6000@192.168.1.2 SIP/2.0
Via: SIP/2.0/UDP 192.168.1.3:19048;branch=z9hG4bK-d8754z-e13ddd965409862f-1---d8754z-;rport
Max-Forwards: 70
Contact: &~~SPECIAL_REMOVE!#~~lt;sip:6001@192.168.1.3:19048&~~SPECIAL_REMOVE!#~~gt;
To: &~~SPECIAL_REMOVE!#~~lt;sip:6000@192.168.1.2&~~SPECIAL_REMOVE!#~~gt;
From: "Balakrishnan"&~~SPECIAL_REMOVE!#~~lt;sip:6001@192.168.1.2&~~SPECIAL_REMOVE!#~~gt;;tag=ba82e016
Call-ID: Mzk3OGYyMzA0MzYwZjJhZDJiNjBmMTJjYTNhMGJlNDA.
CSeq: 1 INVITE
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE, SUBSCRIBE, INFO
Content-Type: application/sdp
Supported: replaces
User-Agent: X-Lite 4 release 4.0 stamp 58832
Content-Length: 402
v=0
o=- 12938412643424210 1 IN IP4 192.168.1.3
s=CounterPath X-Lite 4.0
c=IN IP4 192.168.1.3
t=0 0
a=ice-ufrag:692c3c
a=ice-pwd:4c8da4ea941b5b1164acc5b44e5918ce
m=audio 64356 RTP/AVP 107 0 8 101
a=rtpmap:107 BV32/16000
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-15
a=sendrecv
a=candidate:1 1 UDP 659136 192.168.1.3 64356 typ host
a=candidate:1 2 UDP 659134 192.168.1.3 64357 typ host
| Message Direction [Network] | |
| From | 192.168.1.3 [6001] |
| To | 192.168.1.2 [Asterisk] |
| Dialog: [Dialog ID] | |
| Call ID | Mzk3OGYyMzA0MzYwZjJhZDJiNjBmMTJjYTNhMGJlNDA. |
| Local Tag | ba82e016 |
| Remote Tag | - |
| Dialog initiated? | NO |
| Transaction | |
| Branch Parameters of Via | z9hG4bK-d8754z-e13ddd965409862f-1---d8754z- |
| Cseq | 1 INVITE |
| Session Parameters [SDP] | |||
| Session ID | 12938412643424210 | Session Version | 1 |
| Message From | 192.168.1.3 | Message To | 192.168.1.2 |
| Codecs | PCMU[0], PCMA[8] | Target RTP To | 192.168.1.3: 64356 |
| Start Time | 0 | End Time | 0 |
2. 100 Trying [8.957]: From Asterisk to Caller [6001]
SIP/2.0 100 Trying
Via: SIP/2.0/UDP 192.168.1.3:19048;branch=z9hG4bK-d8754z-e13ddd965409862f-1---d8754z-;received=192.168.1.3;rport=19048
From: "Balakrishnan"&~~SPECIAL_REMOVE!#~~lt;sip:6001@192.168.1.2&~~SPECIAL_REMOVE!#~~gt;;tag=ba82e016
To: &~~SPECIAL_REMOVE!#~~lt;sip:6000@192.168.1.2&~~SPECIAL_REMOVE!#~~gt;
Call-ID: Mzk3OGYyMzA0MzYwZjJhZDJiNjBmMTJjYTNhMGJlNDA.
CSeq: 1 INVITE
Server: Asterisk PBX SVN-trunk-r300045
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH
Supported: replaces, timer
Contact: &~~SPECIAL_REMOVE!#~~lt;sip:6000@192.168.1.2:5060&~~SPECIAL_REMOVE!#~~gt;
Content-Length: 0
| Message Direction [Network] | |
| From | 192.168.1.2 [Asterisk] |
| To | 192.168.1.3 [6001] |
| Dialog: [Dialog ID] | |
| Call ID | Mzk3OGYyMzA0MzYwZjJhZDJiNjBmMTJjYTNhMGJlNDA. |
| Local Tag | - |
| Remote Tag | ba82e016 |
| Dialog initiated? | NO |
| Transaction | |
| Branch Parameters of Via | z9hG4bK-d8754z-e13ddd965409862f-1---d8754z- |
| Cseq | 1 INVITE |
3. Invite [8.958]: Asterisk to Called [6000@192.168.1.4]
INVITE sip:6000@192.168.1.4:23718;rinstance=b31487650f177b26 SIP/2.0
Via: SIP/2.0/UDP 192.168.1.2:5060;branch=z9hG4bK13e1b485;rport
Max-Forwards: 70
From: "Balakrishnan" &~~SPECIAL_REMOVE!#~~lt;sip:6001@192.168.1.2&~~SPECIAL_REMOVE!#~~gt;;tag=as6f235314
To: &~~SPECIAL_REMOVE!#~~lt;sip:6000@192.168.1.4:23718;rinstance=b31487650f177b26&~~SPECIAL_REMOVE!#~~gt;
Contact: &~~SPECIAL_REMOVE!#~~lt;sip:6001@192.168.1.2:5060&~~SPECIAL_REMOVE!#~~gt;
Call-ID: 08d1e02e58e284044484e3bf49b72851@192.168.1.2:5060
CSeq: 102 INVITE
User-Agent: Asterisk PBX SVN-trunk-r300045
Date: Sun, 02 Jan 2011 03:30:38 GMT
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH
Supported: replaces, timer
Content-Type: application/sdp
Content-Length: 294
v=0
o=root 1341205026 1341205026 IN IP4 192.168.1.2
s=Asterisk PBX SVN-trunk-r300045
c=IN IP4 192.168.1.2
t=0 0
m=audio 14726 RTP/AVP 0 3 101
a=rtpmap:0 PCMU/8000
a=rtpmap:3 GSM/8000
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-16
a=silenceSupp:off - - - -
a=ptime:20
a=sendrecv
| Message Direction [Network] | |
| From | 192.168.1.2 [Asterisk] |
| To | 192.168.1.4 [6000] |
| Dialog: [Dialog ID] | |
| Call ID | |
| Local Tag | as6f235314 |
| Remote Tag | - |
| Dialog initiated? | NO |
| Transaction | |
| Branch Parameters of Via | z9hG4bK13e1b485 |
| Cseq | 102 INVITE |
| Session Parameters [SDP] | |||
| Session ID | 1341205026 | Session Version | 1341205026 |
| Message From | 192.168.1.2 | Message To | 192.168.1.4 |
| Codecs | PCMU[0], GSM6.10[3] | Target RTP To | |
| Start Time | 0 | End Time | 0 |
4. 100 Trying [Called to Asterisk]
SIP/2.0 100 Trying
Via: SIP/2.0/UDP 192.168.1.2:5060;branch=z9hG4bK13e1b485;rport=5060
To: &~~SPECIAL_REMOVE!#~~lt;sip:6000@192.168.1.4:23718;rinstance=b31487650f177b26&~~SPECIAL_REMOVE!#~~gt;
From: "Balakrishnan" &~~SPECIAL_REMOVE!#~~lt;sip:6001@192.168.1.2&~~SPECIAL_REMOVE!#~~gt;;tag=as6f235314
Call-ID: 08d1e02e58e284044484e3bf49b72851@192.168.1.2:5060
CSeq: 102 INVITE
Content-Length: 0
| Message Direction [Network] | |
| From | 192.168.1.4 [6000] |
| To | 192.168.1.2 [Asterisk] |
| Dialog: [Dialog ID] | |
| Call ID | |
| Local Tag | - |
| Remote Tag | as6f235314 |
| Dialog initiated? | NO |
| Transaction | |
| Branch Parameters of Via | z9hG4bK13e1b485 |
| Cseq | 102 INVITE |
5. 180 Ringing [Called to Asterisk]
SIP/2.0 180 Ringing
Via: SIP/2.0/UDP 192.168.1.2:5060;branch=z9hG4bK13e1b485;rport=5060
Contact: &~~SPECIAL_REMOVE!#~~lt;sip:6000@192.168.1.4:23718;rinstance=b31487650f177b26&~~SPECIAL_REMOVE!#~~gt;
To: &~~SPECIAL_REMOVE!#~~lt;sip:6000@192.168.1.4:23718;rinstance=b31487650f177b26&~~SPECIAL_REMOVE!#~~gt;;tag=73907587
From: "Balakrishnan"&~~SPECIAL_REMOVE!#~~lt;sip:6001@192.168.1.2&~~SPECIAL_REMOVE!#~~gt;;tag=as6f235314
Call-ID: 08d1e02e58e284044484e3bf49b72851@192.168.1.2:5060
CSeq: 102 INVITE
User-Agent: X-Lite 4 release 4.0 stamp 58832
Content-Length: 0
| Message Direction [Network] | |
| From | 192.168.1.4 [6000] |
| To | 192.168.1.2 [Asterisk] |
| Dialog: [Dialog ID] | |
| Call ID | |
| Local Tag | 73907587 |
| Remote Tag | as6f235314 |
| Dialog initiated? | Early Dialog |
| Dialog [Parameters] | |
| Local Seq No | - |
| Remote Seq No | 102 Invite |
| Local URI | |
| Remote URI | |
| Remote Target | |
| Secure Flag | N |
| Route Set | |
| Transaction | |
| Branch Parameters of Via | z9hG4bK13e1b485 |
| Cseq | 102 INVITE |
6. 180 Ringing [Asterisk to Caller]
SIP/2.0 180 Ringing
Via: SIP/2.0/UDP 192.168.1.3:19048;branch=z9hG4bK-d8754z-e13ddd965409862f-1---d8754z-;received=192.168.1.3;rport=19048
From: "Balakrishnan"&~~SPECIAL_REMOVE!#~~lt;sip:6001@192.168.1.2&~~SPECIAL_REMOVE!#~~gt;;tag=ba82e016
To: &~~SPECIAL_REMOVE!#~~lt;sip:6000@192.168.1.2&~~SPECIAL_REMOVE!#~~gt;;tag=as0ac5182d
Call-ID: Mzk3OGYyMzA0MzYwZjJhZDJiNjBmMTJjYTNhMGJlNDA.
CSeq: 1 INVITE
Server: Asterisk PBX SVN-trunk-r300045
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH
Supported: replaces, timer
Contact: &~~SPECIAL_REMOVE!#~~lt;sip:6000@192.168.1.2:5060&~~SPECIAL_REMOVE!#~~gt;
Content-Length: 0
| Message Direction [Network] | |
| From | 192.168.1.2 [Asterisk] |
| To | 192.168.1.3 [6001] |
| Dialog: [Dialog ID] | |
| Call ID | Mzk3OGYyMzA0MzYwZjJhZDJiNjBmMTJjYTNhMGJlNDA. |
| Local Tag | as0ac5182d |
| Remote Tag | ba82e016 |
| Dialog initiated? | Early Dialog |
| Dialog [Parameters] | |
| Local Seq No | - |
| Remote Seq No | 1 INVITE |
| Local URI | |
| Remote URI | |
| Remote Target | |
| Secure Flag | N |
| Route Set | |
| Transaction | |
| Branch Parameters of Via | z9hG4bK-d8754z-e13ddd965409862f-1---d8754z- |
| Cseq | 1 INVITE |
7. 200 OK [Called to Asterisk]:
SIP/2.0 200 OK
Via: SIP/2.0/UDP 192.168.1.2:5060;branch=z9hG4bK13e1b485;rport=5060
Contact: &~~SPECIAL_REMOVE!#~~lt;sip:6000@192.168.1.4:23718;rinstance=b31487650f177b26&~~SPECIAL_REMOVE!#~~gt;
To: &~~SPECIAL_REMOVE!#~~lt;sip:6000@192.168.1.4:23718;rinstance=b31487650f177b26&~~SPECIAL_REMOVE!#~~gt;;tag=73907587
From: "Balakrishnan"&~~SPECIAL_REMOVE!#~~lt;sip:6001@192.168.1.2&~~SPECIAL_REMOVE!#~~gt;;tag=as6f235314
Call-ID: 08d1e02e58e284044484e3bf49b72851@192.168.1.2:5060
CSeq: 102 INVITE
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE, SUBSCRIBE, INFO
Content-Type: application/sdp
Supported: replaces
User-Agent: X-Lite 4 release 4.0 stamp 58832
Content-Length: 371
v=0
o=- 12938412641879229 1 IN IP4 192.168.1.4
s=CounterPath X-Lite 4.0
c=IN IP4 192.168.1.4
t=0 0
a=ice-ufrag:4e8652
a=ice-pwd:ba7d4da3686f1e7c6c530f3c773ae3e7
m=audio 62964 RTP/AVP 0 101
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-15
a=sendrecv
a=candidate:1 1 UDP 659136 192.168.1.4 62964 typ host
a=candidate:1 2 UDP 659134 192.168.1.4 62965 typ host
| Message Direction [Network] | |
| From | 192.168.1.4 [6000] |
| To | 192.168.1.2 [Asterisk] |
| Dialog: [Dialog ID] | |
| Call ID | |
| Local Tag | 73907587 |
| Remote Tag | as6f235314 |
| Dialog initiated? | Established |
| Dialog [Parameters] | |
| Local Seq No | - |
| Remote Seq No | 102 Invite |
| Local URI | |
| Remote URI | |
| Remote Target | |
| Secure Flag | N |
| Route Set | |
| Transaction | |
| Branch Parameters of Via | z9hG4bK13e1b485 |
| Cseq | 102 INVITE |
| Session Parameters [SDP] | |||
| Session ID | 12938412641879229 | Session Version | 1 |
| Message From | 192.168.1.4 | Message To | 192.168.1.2 |
| Codecs | PCMU[0] | Target RTP To | |
| Start Time | 0 | End Time | 0 |
RTP transfer happens between 192.168.1.2:14726 and 192.168.1.4:62964 [Asterisk to Called]
8. ACK [Asterisk to Called]:
ACK sip:6000@192.168.1.4:23718;rinstance=b31487650f177b26 SIP/2.0
Via: SIP/2.0/UDP 192.168.1.2:5060;branch=z9hG4bK3571b83f;rport
Max-Forwards: 70
From: "Balakrishnan" &~~SPECIAL_REMOVE!#~~lt;sip:6001@192.168.1.2&~~SPECIAL_REMOVE!#~~gt;;tag=as6f235314
To: &~~SPECIAL_REMOVE!#~~lt;sip:6000@192.168.1.4:23718;rinstance=b31487650f177b26&~~SPECIAL_REMOVE!#~~gt;;tag=73907587
Contact: &~~SPECIAL_REMOVE!#~~lt;sip:6001@192.168.1.2:5060&~~SPECIAL_REMOVE!#~~gt;
Call-ID: 08d1e02e58e284044484e3bf49b72851@192.168.1.2:5060
CSeq: 102 ACK
User-Agent: Asterisk PBX SVN-trunk-r300045
Content-Length: 0
| Message Direction [Network] | |
| From | 192.168.1.2 [Asterisk] |
| To | 192.168.1.4 [6000] |
| Dialog: [Dialog ID] | |
| Call ID | |
| Local Tag | as6f235314 |
| Remote Tag | 73907587 |
| Dialog initiated? | Established |
| Dialog [Parameters] | |
| Local Seq No | 102 ACK |
| Remote Seq No | - |
| Local URI | |
| Remote URI | |
| Remote Target | |
| Secure Flag | N |
| Route Set | |
| Transaction | |
| Branch Parameters of Via | z9hG4bK3571b83f |
| Cseq | 102 ACK |
9. 200 OK [Asterisk to Caller]
SIP/2.0 200 OK
Via: SIP/2.0/UDP 192.168.1.3:19048;branch=z9hG4bK-d8754z-e13ddd965409862f-1---d8754z-;received=192.168.1.3;rport=19048
From: "Balakrishnan"&~~SPECIAL_REMOVE!#~~lt;sip:6001@192.168.1.2&~~SPECIAL_REMOVE!#~~gt;;tag=ba82e016
To: &~~SPECIAL_REMOVE!#~~lt;sip:6000@192.168.1.2&~~SPECIAL_REMOVE!#~~gt;;tag=as0ac5182d
Call-ID: Mzk3OGYyMzA0MzYwZjJhZDJiNjBmMTJjYTNhMGJlNDA.
CSeq: 1 INVITE
Server: Asterisk PBX SVN-trunk-r300045
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH
Supported: replaces, timer
Contact: &~~SPECIAL_REMOVE!#~~lt;sip:6000@192.168.1.2:5060&~~SPECIAL_REMOVE!#~~gt;
Content-Type: application/sdp
Content-Length: 271
v=0
o=root 1277759869 1277759869 IN IP4 192.168.1.2
s=Asterisk PBX SVN-trunk-r300045
c=IN IP4 192.168.1.2
t=0 0
m=audio 12832 RTP/AVP 0 101
a=rtpmap:0 PCMU/8000
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-16
a=silenceSupp:off - - - -
a=ptime:20
a=sendrecv
| Message Direction [Network] | |
| From | 192.168.1.2 [Asterisk] |
| To | 192.168.1.3 [6001] |
| Dialog: [Dialog ID] | |
| Call ID | Mzk3OGYyMzA0MzYwZjJhZDJiNjBmMTJjYTNhMGJlNDA. |
| Local Tag | as0ac5182d |
| Remote Tag | ba82e016 |
| Dialog initiated? | Established |
| Dialog [Parameters] | |
| Local Seq No | - |
| Remote Seq No | 1 INVITE |
| Local URI | |
| Remote URI | |
| Remote Target | |
| Secure Flag | N |
| Route Set | |
| Transaction | |
| Branch Parameters of Via | z9hG4bK-d8754z-e13ddd965409862f-1---d8754z- |
| Cseq | 1 INVITE |
| Session Parameters [SDP] | |||
| Session ID | 1277759869 | Session Version | 1277759869 |
| Message From | 192.168.1.2 | Message To | 192.168.1.3 |
| Codecs | PCMU[0] | Target RTP To | |
| Start Time | 0 | End Time | 0 |
RTP Transfer happens between 192.168.1.3:64356 and 192.168.1.2:12832 [Caller and Asterisk]
10. Invite [Asterisk to Called]
INVITE sip:6000@192.168.1.4:23718;rinstance=b31487650f177b26 SIP/2.0
Via: SIP/2.0/UDP 192.168.1.2:5060;branch=z9hG4bK4a7b08c0;rport
Max-Forwards: 70
From: "Balakrishnan" &~~SPECIAL_REMOVE!#~~lt;sip:6001@192.168.1.2&~~SPECIAL_REMOVE!#~~gt;;tag=as6f235314
To: &~~SPECIAL_REMOVE!#~~lt;sip:6000@192.168.1.4:23718;rinstance=b31487650f177b26&~~SPECIAL_REMOVE!#~~gt;;tag=73907587
Contact: &~~SPECIAL_REMOVE!#~~lt;sip:6001@192.168.1.2:5060&~~SPECIAL_REMOVE!#~~gt;
Call-ID: 08d1e02e58e284044484e3bf49b72851@192.168.1.2:5060
CSeq: 103 INVITE
User-Agent: Asterisk PBX SVN-trunk-r300045
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH
Supported: replaces, timer
Content-Type: application/sdp
Content-Length: 271
v=0
o=root 1341205026 1341205027 IN IP4 192.168.1.3
s=Asterisk PBX SVN-trunk-r300045
c=IN IP4 192.168.1.3
t=0 0
m=audio 64356 RTP/AVP 0 101
a=rtpmap:0 PCMU/8000
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-16
a=silenceSupp:off - - - -
a=ptime:20
a=sendrecv
| Message Direction [Network] | |
| From | 192.168.1.2 [Asterisk] |
| To | 192.168.1.4 [6000] |
| Dialog: [Dialog ID] | |
| Call ID | |
| Local Tag | as6f235314 |
| Remote Tag | 73907587 |
| Dialog initiated? | Established |
| Dialog [Parameters] | |
| Local Seq No | 103 INVITE |
| Remote Seq No | - |
| Local URI | |
| Remote URI | |
| Remote Target | |
| Secure Flag | N |
| Route Set | |
| Transaction | |
| Branch Parameters of Via | z9hG4bK4a7b08c0 |
| Cseq | 103 INVITE |
| Session Parameters [SDP] | |||
| Session ID | 1341205026 | Session Version | 1341205027 |
| Message From | 192.168.1.2 | Message To | 192.168.1.4 |
| Codecs | PCMU[0] | Target RTP To | |
| Start Time | 0 | End Time | 0 |
11. 200 OK [Called to Asterisk]
SIP/2.0 200 OK
Via: SIP/2.0/UDP 192.168.1.2:5060;branch=z9hG4bK4a7b08c0;rport=5060
Contact: &~~SPECIAL_REMOVE!#~~lt;sip:6000@192.168.1.4:23718;rinstance=b31487650f177b26&~~SPECIAL_REMOVE!#~~gt;
To: &~~SPECIAL_REMOVE!#~~lt;sip:6000@192.168.1.4:23718;rinstance=b31487650f177b26&~~SPECIAL_REMOVE!#~~gt;;tag=73907587
From: "Balakrishnan"&~~SPECIAL_REMOVE!#~~lt;sip:6001@192.168.1.2&~~SPECIAL_REMOVE!#~~gt;;tag=as6f235314
Call-ID: 08d1e02e58e284044484e3bf49b72851@192.168.1.2:5060
CSeq: 103 INVITE
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE, SUBSCRIBE, INFO
Content-Type: application/sdp
Supported: replaces
User-Agent: X-Lite 4 release 4.0 stamp 58832
Content-Length: 371
v=0
o=- 12938412641879229 2 IN IP4 192.168.1.4
s=CounterPath X-Lite 4.0
c=IN IP4 192.168.1.4
t=0 0
a=ice-ufrag:4e8652
a=ice-pwd:ba7d4da3686f1e7c6c530f3c773ae3e7
m=audio 62964 RTP/AVP 0 101
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-15
a=sendrecv
a=candidate:1 1 UDP 659136 192.168.1.4 62964 typ host
a=candidate:1 2 UDP 659134 192.168.1.4 62965 typ host
| Message Direction [Network] | |
| From | 192.168.1.4 [6000] |
| To | 192.168.1.2 [Asterisk] |
| Dialog: [Dialog ID] | |
| Call ID | |
| Local Tag | 73907587 |
| Remote Tag | as6f235314 |
| Dialog initiated? | Established |
| Dialog [Parameters] | |
| Local Seq No | - |
| Remote Seq No | 103 INVITE |
| Local URI | |
| Remote URI | |
| Remote Target | |
| Secure Flag | N |
| Route Set | |
| Transaction | |
| Branch Parameters of Via | z9hG4bK4a7b08c0 |
| Cseq | 103 INVITE |
| Session Parameters [SDP] | |||
| Session ID | 12938412641879229 | Session Version | 2 |
| Message From | 192.168.1.4 | Message To | 192.168.1.2 |
| Codecs | PCMU[0] | Target RTP To | |
| Start Time | 0 | End Time | 0 |
12. ACK [Asterisk to Called]
ACK sip:6000@192.168.1.4:23718;rinstance=b31487650f177b26 SIP/2.0
Via: SIP/2.0/UDP 192.168.1.2:5060;branch=z9hG4bK34b97262;rport
Max-Forwards: 70
From: "Balakrishnan" &~~SPECIAL_REMOVE!#~~lt;sip:6001@192.168.1.2&~~SPECIAL_REMOVE!#~~gt;;tag=as6f235314
To: &~~SPECIAL_REMOVE!#~~lt;sip:6000@192.168.1.4:23718;rinstance=b31487650f177b26&~~SPECIAL_REMOVE!#~~gt;;tag=73907587
Contact: &~~SPECIAL_REMOVE!#~~lt;sip:6001@192.168.1.2:5060&~~SPECIAL_REMOVE!#~~gt;
Call-ID: 08d1e02e58e284044484e3bf49b72851@192.168.1.2:5060
CSeq: 103 ACK
User-Agent: Asterisk PBX SVN-trunk-r300045
Content-Length: 0
| Message Direction [Network] | |
| From | 192.168.1.2 [Asterisk] |
| To | 192.168.1.4 [6000] |
| Dialog: [Dialog ID] | |
| Call ID | |
| Local Tag | as6f235314 |
| Remote Tag | 73907587 |
| Dialog initiated? | Established |
| Dialog [Parameters] | |
| Local Seq No | 103 ACK |
| Remote Seq No | - |
| Local URI | |
| Remote URI | |
| Remote Target | |
| Secure Flag | N |
| Route Set | |
| Transaction | |
| Branch Parameters of Via | z9hG4bK34b97262 |
| Cseq | 103 ACK |
13. ACK [Caller to Asterisk]
ACK sip:6000@192.168.1.2:5060 SIP/2.0
Via: SIP/2.0/UDP 192.168.1.3:19048;branch=z9hG4bK-d8754z-09f35202913428c0-1---d8754z-;rport
Max-Forwards: 70
Contact: &~~SPECIAL_REMOVE!#~~lt;sip:6001@192.168.1.3:19048&~~SPECIAL_REMOVE!#~~gt;
To: &~~SPECIAL_REMOVE!#~~lt;sip:6000@192.168.1.2&~~SPECIAL_REMOVE!#~~gt;;tag=as0ac5182d
From: "Balakrishnan"&~~SPECIAL_REMOVE!#~~lt;sip:6001@192.168.1.2&~~SPECIAL_REMOVE!#~~gt;;tag=ba82e016
Call-ID: Mzk3OGYyMzA0MzYwZjJhZDJiNjBmMTJjYTNhMGJlNDA.
CSeq: 1 ACK
User-Agent: X-Lite 4 release 4.0 stamp 58832
Content-Length: 0
| Message Direction [Network] | |
| From | 192.168.1.3 [6001] |
| To | 192.168.1.2 [Asterisk] |
| Dialog: [Dialog ID] | |
| Call ID | Mzk3OGYyMzA0MzYwZjJhZDJiNjBmMTJjYTNhMGJlNDA. |
| Local Tag | ba82e016 |
| Remote Tag | as0ac5182d |
| Dialog initiated? | Established |
| Dialog [Parameters] | |
| Local Seq No | 1 ACK |
| Remote Seq No | - |
| Local URI | |
| Remote URI | |
| Remote Target | |
| Secure Flag | N |
| Route Set | |
| Transaction | |
| Branch Parameters of Via | z9hG4bK-d8754z-09f35202913428c0-1---d8754z |
| Cseq | 1 ACK |
14. Invite [Asterisk to Caller]
INVITE sip:6001@192.168.1.3:19048 SIP/2.0
Via: SIP/2.0/UDP 192.168.1.2:5060;branch=z9hG4bK6c1d9407;rport
Max-Forwards: 70
From: &~~SPECIAL_REMOVE!#~~lt;sip:6000@192.168.1.2&~~SPECIAL_REMOVE!#~~gt;;tag=as0ac5182d
To: "Balakrishnan"&~~SPECIAL_REMOVE!#~~lt;sip:6001@192.168.1.2&~~SPECIAL_REMOVE!#~~gt;;tag=ba82e016
Contact: &~~SPECIAL_REMOVE!#~~lt;sip:6000@192.168.1.2:5060&~~SPECIAL_REMOVE!#~~gt;
Call-ID: Mzk3OGYyMzA0MzYwZjJhZDJiNjBmMTJjYTNhMGJlNDA.
CSeq: 102 INVITE
User-Agent: Asterisk PBX SVN-trunk-r300045
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH
Supported: replaces, timer
Content-Type: application/sdp
Content-Length: 271
v=0
o=root 1277759869 1277759870 IN IP4 192.168.1.4
s=Asterisk PBX SVN-trunk-r300045
c=IN IP4 192.168.1.4
t=0 0
m=audio 62964 RTP/AVP 0 101
a=rtpmap:0 PCMU/8000
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-16
a=silenceSupp:off - - - -
a=ptime:20
a=sendrecv
| Message Direction [Network] | |
| From | 192.168.1.2 [Asterisk] |
| To | 192.168.1.3 [6001] |
| Dialog: [Dialog ID] | |
| Call ID | Mzk3OGYyMzA0MzYwZjJhZDJiNjBmMTJjYTNhMGJlNDA. |
| Local Tag | as0ac5182d |
| Remote Tag | ba82e016 |
| Dialog initiated? | Established |
| Dialog [Parameters] | |
| Local Seq No | 102 INVITE |
| Remote Seq No | - |
| Local URI | |
| Remote URI | |
| Remote Target | |
| Secure Flag | N |
| Route Set | |
| Transaction | |
| Branch Parameters of Via | z9hG4bK6c1d9407 |
| Cseq | 102 INVITE |
| Session Parameters [SDP] | |||
| Session ID | 1277759869 | Session Version | 1277759870 |
| Message From | 192.168.1.2 | Message To | 192.168.1.3 |
| Codecs | PCMU[0] | Target RTP To | 192.168.1.4:62964 |
| Start Time | 0 | End Time | 0 |
15. 200 OK [ Caller to Asterisk]
SIP/2.0 200 OK
Via: SIP/2.0/UDP 192.168.1.2:5060;branch=z9hG4bK6c1d9407;rport=5060
Contact: &~~SPECIAL_REMOVE!#~~lt;sip:6001@192.168.1.3:19048&~~SPECIAL_REMOVE!#~~gt;
To: "Balakrishnan"&~~SPECIAL_REMOVE!#~~lt;sip:6001@192.168.1.2&~~SPECIAL_REMOVE!#~~gt;;tag=ba82e016
From: &~~SPECIAL_REMOVE!#~~lt;sip:6000@192.168.1.2&~~SPECIAL_REMOVE!#~~gt;;tag=as0ac5182d
Call-ID: Mzk3OGYyMzA0MzYwZjJhZDJiNjBmMTJjYTNhMGJlNDA.
CSeq: 102 INVITE
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE, SUBSCRIBE, INFO
Content-Type: application/sdp
Supported: replaces
User-Agent: X-Lite 4 release 4.0 stamp 58832
Content-Length: 371
v=0
o=- 12938412643424210 2 IN IP4 192.168.1.3
s=CounterPath X-Lite 4.0
c=IN IP4 192.168.1.3
t=0 0
a=ice-ufrag:692c3c
a=ice-pwd:4c8da4ea941b5b1164acc5b44e5918ce
m=audio 64356 RTP/AVP 0 101
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-15
a=sendrecv
a=candidate:1 1 UDP 659136 192.168.1.3 64356 typ host
a=candidate:1 2 UDP 659134 192.168.1.3 64357 typ host
| Message Direction [Network] | |
| From | 192.168.1.3 [6001] |
| To | 192.168.1.2 [Asterisk] |
| Dialog: [Dialog ID] | |
| Call ID | Mzk3OGYyMzA0MzYwZjJhZDJiNjBmMTJjYTNhMGJlNDA. |
| Local Tag | ba82e016 |
| Remote Tag | as0ac5182d |
| Dialog initiated? | Established |
| Dialog [Parameters] | |
| Local Seq No | - |
| Remote Seq No | 102 INVITE |
| Local URI | |
| Remote URI | |
| Remote Target | |
| Secure Flag | N |
| Route Set | |
| Transaction | |
| Branch Parameters of Via | z9hG4bK-d8754z-09f35202913428c0-1---d8754z |
| Cseq | 1 ACK |
| Session Parameters [SDP] | |||
| Session ID | 12938412643424210 | Session Version | 2 |
| Message From | 192.168.1.3 | Message To | 192.168.1.2 |
| Codecs | PCMU[0] | Target RTP To | 192.168.1.3:64356 |
| Start Time | 0 | End Time | 0 |
16. ACK [Asterisk to Caller]
ACK sip:6001@192.168.1.3:19048 SIP/2.0
Via: SIP/2.0/UDP 192.168.1.2:5060;branch=z9hG4bK6aa9862b;rport
Max-Forwards: 70
From: &~~SPECIAL_REMOVE!#~~lt;sip:6000@192.168.1.2&~~SPECIAL_REMOVE!#~~gt;;tag=as0ac5182d
To: "Balakrishnan"&~~SPECIAL_REMOVE!#~~lt;sip:6001@192.168.1.2&~~SPECIAL_REMOVE!#~~gt;;tag=ba82e016
Contact: &~~SPECIAL_REMOVE!#~~lt;sip:6000@192.168.1.2:5060&~~SPECIAL_REMOVE!#~~gt;
Call-ID: Mzk3OGYyMzA0MzYwZjJhZDJiNjBmMTJjYTNhMGJlNDA.
CSeq: 102 ACK
User-Agent: Asterisk PBX SVN-trunk-r300045
Content-Length: 0
| Message Direction [Network] | |
| From | 192.168.1.2 [Asterisk] |
| To | 192.168.1.3 [6001] |
| Dialog: [Dialog ID] | |
| Call ID | Mzk3OGYyMzA0MzYwZjJhZDJiNjBmMTJjYTNhMGJlNDA. |
| Local Tag | as0ac5182d |
| Remote Tag | ba82e016 |
| Dialog initiated? | Established |
| Dialog [Parameters] | |
| Local Seq No | 102 ACK |
| Remote Seq No | - |
| Local URI | |
| Remote URI | |
| Remote Target | |
| Secure Flag | N |
| Route Set | |
| Transaction | |
| Branch Parameters of Via | z9hG4bK6aa9862b |
| Cseq | 102 ACK |
17. Invite [Asterisk to Called]
INVITE sip:6000@192.168.1.4:23718;rinstance=b31487650f177b26 SIP/2.0
Via: SIP/2.0/UDP 192.168.1.2:5060;branch=z9hG4bK4fc5ca1e;rport
Max-Forwards: 70
From: "Balakrishnan" &~~SPECIAL_REMOVE!#~~lt;sip:6001@192.168.1.2&~~SPECIAL_REMOVE!#~~gt;;tag=as6f235314
To: &~~SPECIAL_REMOVE!#~~lt;sip:6000@192.168.1.4:23718;rinstance=b31487650f177b26&~~SPECIAL_REMOVE!#~~gt;;tag=73907587
Contact: &~~SPECIAL_REMOVE!#~~lt;sip:6001@192.168.1.2:5060&~~SPECIAL_REMOVE!#~~gt;
Call-ID: 08d1e02e58e284044484e3bf49b72851@192.168.1.2:5060
CSeq: 104 INVITE
User-Agent: Asterisk PBX SVN-trunk-r300045
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH
Supported: replaces, timer
Content-Type: application/sdp
Content-Length: 271
v=0
o=root 1341205026 1341205028 IN IP4 192.168.1.3
s=Asterisk PBX SVN-trunk-r300045
c=IN IP4 192.168.1.3
t=0 0
m=audio 64356 RTP/AVP 0 101
a=rtpmap:0 PCMU/8000
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-16
a=silenceSupp:off - - - -
a=ptime:20
a=sendrecv
| Message Direction [Network] | |
| From | 192.168.1.2 [Asterisk] |
| To | 192.168.1.4 [6000] |
| Dialog: [Dialog ID] | |
| Call ID | |
| Local Tag | as6f235314 |
| Remote Tag | 73907587 |
| Dialog initiated? | Established |
| Dialog [Parameters] | |
| Local Seq No | 104 INVITE |
| Remote Seq No | - |
| Local URI | |
| Remote URI | |
| Remote Target | |
| Secure Flag | N |
| Route Set | |
| Transaction | |
| Branch Parameters of Via | z9hG4bK4fc5ca1e |
| Cseq | 104 INVITE |
| Session Parameters [SDP] | |||
| Session ID | 1341205026 | Session Version | 1341205028 |
| Message From | 192.168.1.2 | Message To | 192.168.1.4 |
| Codecs | PCMU[0] | Target RTP To | |
| Start Time | 0 | End Time | 0 |
18. 200 OK [Called to Asterisk]
SIP/2.0 200 OK
Via: SIP/2.0/UDP 192.168.1.2:5060;branch=z9hG4bK4fc5ca1e;rport=5060
Contact: &~~SPECIAL_REMOVE!#~~lt;sip:6000@192.168.1.4:23718;rinstance=b31487650f177b26&~~SPECIAL_REMOVE!#~~gt;
To: &~~SPECIAL_REMOVE!#~~lt;sip:6000@192.168.1.4:23718;rinstance=b31487650f177b26&~~SPECIAL_REMOVE!#~~gt;;tag=73907587
From: "Balakrishnan"&~~SPECIAL_REMOVE!#~~lt;sip:6001@192.168.1.2&~~SPECIAL_REMOVE!#~~gt;;tag=as6f235314
Call-ID: 08d1e02e58e284044484e3bf49b72851@192.168.1.2:5060
CSeq: 104 INVITE
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE, SUBSCRIBE, INFO
Content-Type: application/sdp
Supported: replaces
User-Agent: X-Lite 4 release 4.0 stamp 58832
Content-Length: 371
v=0
o=- 12938412641879229 3 IN IP4 192.168.1.4
s=CounterPath X-Lite 4.0
c=IN IP4 192.168.1.4
t=0 0
a=ice-ufrag:4e8652
a=ice-pwd:ba7d4da3686f1e7c6c530f3c773ae3e7
m=audio 62964 RTP/AVP 0 101
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-15
a=sendrecv
a=candidate:1 1 UDP 659136 192.168.1.4 62964 typ host
a=candidate:1 2 UDP 659134 192.168.1.4 62965 typ host
| Message Direction [Network] | |
| From | 192.168.1.4 [6000] |
| To | 192.168.1.2 [Asterisk] |
| Dialog: [Dialog ID] | |
| Call ID | |
| Local Tag | 73907587 |
| Remote Tag | as6f235314 |
| Dialog initiated? | Established |
| Dialog [Parameters] | |
| Local Seq No | - |
| Remote Seq No | 104 INVITE |
| Local URI | |
| Remote URI | |
| Remote Target | |
| Secure Flag | N |
| Route Set | |
| Transaction | |
| Branch Parameters of Via | z9hG4bK4fc5ca1e |
| Cseq | 104 INVITE |
| Session Parameters [SDP] | |||
| Session ID | 12938412641879229 | Session Version | 3 |
| Message From | 192.168.1.4 | Message To | 192.168.1.2 |
| Codecs | PCMU[0] | Target RTP To | |
| Start Time | 0 | End Time | 0 |
19. ACK [Asterisk to Called]
ACK sip:6000@192.168.1.4:23718;rinstance=b31487650f177b26 SIP/2.0
Via: SIP/2.0/UDP 192.168.1.2:5060;branch=z9hG4bK07cee6f2;rport
Max-Forwards: 70
From: "Balakrishnan" &~~SPECIAL_REMOVE!#~~lt;sip:6001@192.168.1.2&~~SPECIAL_REMOVE!#~~gt;;tag=as6f235314
To: &~~SPECIAL_REMOVE!#~~lt;sip:6000@192.168.1.4:23718;rinstance=b31487650f177b26&~~SPECIAL_REMOVE!#~~gt;;tag=73907587
Contact: &~~SPECIAL_REMOVE!#~~lt;sip:6001@192.168.1.2:5060&~~SPECIAL_REMOVE!#~~gt;
Call-ID: 08d1e02e58e284044484e3bf49b72851@192.168.1.2:5060
CSeq: 104 ACK
User-Agent: Asterisk PBX SVN-trunk-r300045
Content-Length: 0
| Message Direction [Network] | |
| From | 192.168.1.2 [Asterisk] |
| To | 192.168.1.4 [6000] |
| Dialog: [Dialog ID] | |
| Call ID | |
| Local Tag | as6f235314 |
| Remote Tag | 73907587 |
| Dialog initiated? | Established |
| Dialog [Parameters] | |
| Local Seq No | 104 ACK |
| Remote Seq No | - |
| Local URI | |
| Remote URI | |
| Remote Target | |
| Secure Flag | N |
| Route Set | |
| Transaction | |
| Branch Parameters of Via | b31487650f177b26 |
| Cseq | 104 ACK |
RTP Established between Called and Caller Directly
20. BYE [Called to Asterisk]
BYE sip:6001@192.168.1.2:5060 SIP/2.0
Via: SIP/2.0/UDP 192.168.1.4:23718;branch=z9hG4bK-d8754z-4b27e0a39c4799e3-1---d8754z-;rport
Max-Forwards: 70
Contact: &~~SPECIAL_REMOVE!#~~lt;sip:6000@192.168.1.4:23718;rinstance=b31487650f177b26&~~SPECIAL_REMOVE!#~~gt;
To: "Balakrishnan"&~~SPECIAL_REMOVE!#~~lt;sip:6001@192.168.1.2&~~SPECIAL_REMOVE!#~~gt;;tag=as6f235314
From: &~~SPECIAL_REMOVE!#~~lt;sip:6000@192.168.1.4:23718;rinstance=b31487650f177b26&~~SPECIAL_REMOVE!#~~gt;;tag=73907587
Call-ID: 08d1e02e58e284044484e3bf49b72851@192.168.1.2:5060
CSeq: 2 BYE
User-Agent: X-Lite 4 release 4.0 stamp 58832
Content-Length: 0
21. 200 OK [Asterisk to Called]
SIP/2.0 200 OK
Via: SIP/2.0/UDP 192.168.1.4:23718;branch=z9hG4bK-d8754z-4b27e0a39c4799e3-1---d8754z-;received=192.168.1.4;rport=23718
From: &~~SPECIAL_REMOVE!#~~lt;sip:6000@192.168.1.4:23718;rinstance=b31487650f177b26&~~SPECIAL_REMOVE!#~~gt;;tag=73907587
To: "Balakrishnan"&~~SPECIAL_REMOVE!#~~lt;sip:6001@192.168.1.2&~~SPECIAL_REMOVE!#~~gt;;tag=as6f235314
Call-ID: 08d1e02e58e284044484e3bf49b72851@192.168.1.2:5060
CSeq: 2 BYE
Server: Asterisk PBX SVN-trunk-r300045
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH
Supported: replaces, timer
Content-Length: 0
22. Invite [Asterisk to Caller]
INVITE sip:6001@192.168.1.3:19048 SIP/2.0
Via: SIP/2.0/UDP 192.168.1.2:5060;branch=z9hG4bK220ac2f5;rport
Max-Forwards: 70
From: &~~SPECIAL_REMOVE!#~~lt;sip:6000@192.168.1.2&~~SPECIAL_REMOVE!#~~gt;;tag=as0ac5182d
To: "Balakrishnan"&~~SPECIAL_REMOVE!#~~lt;sip:6001@192.168.1.2&~~SPECIAL_REMOVE!#~~gt;;tag=ba82e016
Contact: &~~SPECIAL_REMOVE!#~~lt;sip:6000@192.168.1.2:5060&~~SPECIAL_REMOVE!#~~gt;
Call-ID: Mzk3OGYyMzA0MzYwZjJhZDJiNjBmMTJjYTNhMGJlNDA.
CSeq: 103 INVITE
User-Agent: Asterisk PBX SVN-trunk-r300045
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH
Supported: replaces, timer
Content-Type: application/sdp
Content-Length: 271
v=0
o=root 1277759869 1277759871 IN IP4 192.168.1.2
s=Asterisk PBX SVN-trunk-r300045
c=IN IP4 192.168.1.2
t=0 0
m=audio 12832 RTP/AVP 0 101
a=rtpmap:0 PCMU/8000
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-16
a=silenceSupp:off - - - -
a=ptime:20
a=sendrecv
23. 200 OK [Caller to Asterisk]
SIP/2.0 200 OK
Via: SIP/2.0/UDP 192.168.1.2:5060;branch=z9hG4bK220ac2f5;rport=5060
Contact: &~~SPECIAL_REMOVE!#~~lt;sip:6001@192.168.1.3:19048&~~SPECIAL_REMOVE!#~~gt;
To: "Balakrishnan"&~~SPECIAL_REMOVE!#~~lt;sip:6001@192.168.1.2&~~SPECIAL_REMOVE!#~~gt;;tag=ba82e016
From: &~~SPECIAL_REMOVE!#~~lt;sip:6000@192.168.1.2&~~SPECIAL_REMOVE!#~~gt;;tag=as0ac5182d
Call-ID: Mzk3OGYyMzA0MzYwZjJhZDJiNjBmMTJjYTNhMGJlNDA.
CSeq: 103 INVITE
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE, SUBSCRIBE, INFO
Content-Type: application/sdp
Supported: replaces
User-Agent: X-Lite 4 release 4.0 stamp 58832
Content-Length: 371
v=0
o=- 12938412643424210 3 IN IP4 192.168.1.3
s=CounterPath X-Lite 4.0
c=IN IP4 192.168.1.3
t=0 0
a=ice-ufrag:692c3c
a=ice-pwd:4c8da4ea941b5b1164acc5b44e5918ce
m=audio 64356 RTP/AVP 0 101
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-15
a=sendrecv
a=candidate:1 1 UDP 659136 192.168.1.3 64356 typ host
a=candidate:1 2 UDP 659134 192.168.1.3 64357 typ host
24. ACK [Asterisk to Caller]
ACK sip:6001@192.168.1.3:19048 SIP/2.0
Via: SIP/2.0/UDP 192.168.1.2:5060;branch=z9hG4bK24165375;rport
Max-Forwards: 70
From: &~~SPECIAL_REMOVE!#~~lt;sip:6000@192.168.1.2&~~SPECIAL_REMOVE!#~~gt;;tag=as0ac5182d
To: "Balakrishnan"&~~SPECIAL_REMOVE!#~~lt;sip:6001@192.168.1.2&~~SPECIAL_REMOVE!#~~gt;;tag=ba82e016
Contact: &~~SPECIAL_REMOVE!#~~lt;sip:6000@192.168.1.2:5060&~~SPECIAL_REMOVE!#~~gt;
Call-ID: Mzk3OGYyMzA0MzYwZjJhZDJiNjBmMTJjYTNhMGJlNDA.
CSeq: 103 ACK
User-Agent: Asterisk PBX SVN-trunk-r300045
Content-Length: 0
25. BYE [Asterisk to Caller]
BYE sip:6001@192.168.1.3:19048 SIP/2.0
Via: SIP/2.0/UDP 192.168.1.2:5060;branch=z9hG4bK0c066e51;rport
Max-Forwards: 70
From: &~~SPECIAL_REMOVE!#~~lt;sip:6000@192.168.1.2&~~SPECIAL_REMOVE!#~~gt;;tag=as0ac5182d
To: "Balakrishnan"&~~SPECIAL_REMOVE!#~~lt;sip:6001@192.168.1.2&~~SPECIAL_REMOVE!#~~gt;;tag=ba82e016
Call-ID: Mzk3OGYyMzA0MzYwZjJhZDJiNjBmMTJjYTNhMGJlNDA.
CSeq: 104 BYE
User-Agent: Asterisk PBX SVN-trunk-r300045
X-Asterisk-HangupCause: Normal Clearing
X-Asterisk-HangupCauseCode: 16
Content-Length: 0
26. 200 OK [Caller to Asterisk]
SIP/2.0 200 OK
Via: SIP/2.0/UDP 192.168.1.2:5060;branch=z9hG4bK0c066e51;rport=5060
Contact: &~~SPECIAL_REMOVE!#~~lt;sip:6001@192.168.1.3:19048&~~SPECIAL_REMOVE!#~~gt;
To: "Balakrishnan"&~~SPECIAL_REMOVE!#~~lt;sip:6001@192.168.1.2&~~SPECIAL_REMOVE!#~~gt;;tag=ba82e016
From: &~~SPECIAL_REMOVE!#~~lt;sip:6000@192.168.1.2&~~SPECIAL_REMOVE!#~~gt;;tag=as0ac5182d
Call-ID: Mzk3OGYyMzA0MzYwZjJhZDJiNjBmMTJjYTNhMGJlNDA.
CSeq: 104 BYE
User-Agent: X-Lite 4 release 4.0 stamp 58832
Content-Length: 0
Very nice sundar. parameters wise explanation is good... Please continue this... so that i can follow this blog to study the complete RFC :-)
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