IMS/SIP Quick Reference                                                Home : www.sharetechnote.com

 

 

 

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)