|
IMS |
||
|
SIP Method : INVITE
[ Line 1 ] INVITE sip:+10123456789@ims.sharetechnote.com SIP/2.0 [ Line 2 ] Via: SIP/2.0/UDP 192.168.1.15:5060;branch=z9hG4bK3298736468smg;transport=UDP [ Line 3 ] Supported: 100rel,timer [ Line 4 ] Allow: INVITE, ACK, CANCEL, UPDATE, BYE [ Line 5 ] P-Access-Network-Info: 3GPP-E-UTRAN-FDD;utran-cell-id-3gpp=0000054200000000 [ Line 6 ] P-com.HDVVServiceType: MYIMSv1 [ Line 7 ] User-Agent: SP VOIP IMS 2.0 [ Line 8 ] Session-Expires: 1800;refresher=uac [ Line 9 ] Content-Type: application/sdp [ Line 10 ] Route: <sip:192.168.1.2:5060;lr> [ Line 11 ] Accept-Contact: *;+g.3gpp.icsi-ref="urn%3Aurn-7%3A3gpp-service.ims.icsi.mmtel" [ Line 12 ] From: <sip:+11234567890@ims.sharetechnote.com>;tag=659747293 [ Line 13 ] To: <sip:+10123456789@ims.sharetechnote.com> [ Line 14 ] Call-ID: 131949458@192.168.1.15 [ Line 15 ] CSeq: 1 INVITE [ Line 16 ] Max-Forwards: 70 [ Line 17 ] Contact: <sip:+11234567890@192.168.1.15:5060;transport=UDP>; +g.3gpp.icsi-ref="urn%3Aurn-7%3A3gpp-service.ims.icsi.mmtel" [ Line 18 ] Content-Length: 387
[ Line 19 ] v=0 [ Line 20 ] o=mhandley 2890844526 2890842807 IN IP4 126.16.64.4 [ Line 21 ] s=SDP Seminar [ Line 22 ] i=A Seminar on the session description protocol [ Line 23 ] u=http://www.cs.ucl.com/Rob/sdp.03.ps [ Line 24 ] e=mjh@isi.edu (Rob) [ Line 25 ] c=IN IP4 224.2.17.12/127 [ Line 26 ] t=2873397496 2873404696 [ Line 27 ] a=recvonly [ Line 28 ] m=audio 49170 RTP/AVP 0 [ Line 29 ] m=video 51372 RTP/AVP 31 [ Line 30 ] m=application 32416 udp wb [ Line 31 ] a=orient:portrait
Note : Line 19-31 is from the example in RFC 2327
[Line 1] It indicate Called Number : +10123456789 Destination or Router that this method has to go is ims.sharetechnote.com SIP version : 2.0
Additional Examples >
Example 1 : INVITE sip:1234567890@192.168.1.2:5060 SIP/2.0 Example 2 : INVITE sip:0123456789;phone-context=one.att.net@one.att.net;user=phone
[ Line 19 ] indicate version (version =0) [ Line 20 ] indicate origin of the media (o=mhandley 2890844526 2890842807 IN IP4 126.16.64.4) [ Line 21 ] indicate session number (s=SDP Seminar) [ Line 22 ] indicate session title or short information (i=A Seminar on the session description protocol) [ Line 23 ] indicate uri of the information (u=http://www.cs.ucl.com/Rob/sdp.03.ps) [ Line 24 ] indicate email address with optional name of contacts (e=mjh@isi.edu (Rob)) [ Line 25 ] indicate connection information—not required if included in all media (c=IN IP4 224.2.17.12/127) [ Line 26 ] indicate time the session is active (t=2873397496 2873404696) [ Line 27 ] indicate the session attribute (a=recvonly)
[ Line 28 ] indicate media type and profiles (m=audio 49170 RTP/AVP 0) audio means "this media is audio format" 49170 indicate "the dynamic RTP port used for the call" RTP/AVP 0 indicate the "RTP/AVP profile number is 0" (0=PCMU,8=PCMA,18=G729,101=rtp-nte payload)
[ Line 29 ] indicate media type and profiles (m=video 51372 RTP/AVP 31) video means "this media is audio format" 51372 indicate "the dynamic RTP port used for the call" RTP/AVP 31 indicate the :RTP/AVP profile number = 31"
[ Line 30 ] indicate media name and transport address (m=application 32416 udp wb) [ Line 31 ] indicate media attribute (a=orient:portrait)
|
||