Ad Hoc Conference Call Between User Agents

Header:

Via: SIP/2.0/UDP 192.168.46.180:5060;branch=4

Header:

Via: SIP/2.0/UDP 192.168.46.180:5060;branch=2

Header:

Via: SIP/2.0/UDP 192.168.46.1:5060

Header:

From: seymour<sip:5201@192.168.46.1:5060;user=phone>

Header:

To: 5202<sip:5202@192.168.46.180:5060;user=phone>

Header:

Call-ID: 64133833318102@192.168.46.1

Header:

CSeq: 4 TRANSFER

Header:

Content-Length: 0

-----------------------------------------------------------------

 

SIP Headers

-----------------------------------------------------------------

sip-res:

SIP/2.0 200 OK [192.168.46.180:5060->192.168.46.2:5060]

Header:

Via: SIP/2.0/UDP 192.168.46.2:5060

Header:

From: grouse<sip:5202@192.168.46.2:5060>

Header:

To: <sip:818883831000@192.168.46.180:5060>;tag=49FD06B8-4B7

Header:

Call-ID: 64133833318102@192.168.46.1

Header:

CSeq: 1 INVITE

Header:

Contact: <sip:818883831000@192.168.5.169:5060;user=phone>

Header:

Date: Thu, 09 Nov 2000 18:40:49 PST

Header:

Record-Route:

<sip:818883831000@192.168.46.180:5062;maddr=192.168.46.180>,<sip:818883831000@192.168.46.

180:5060;maddr=192.168.46.180>

Header:

Server: Cisco VoIP Gateway/ IOS 12.x/ SIP enabled

Header:

Content-Type: application/sdp

Header:

Content-Length: 136

-----------------------------------------------------------------

 

SDP Headers

-----------------------------------------------------------------

Header:

v=0

Header:

o=CiscoSystemsSIP-GW-UserAgent 4400 7810 IN IP4 192.168.5.169

Header:

s=SIP Call

Header:

c=IN IP4 192.168.5.169

Header:

t=0 0

Header:

m=audio 20390 RTP/AVP 0

-----------------------------------------------------------------

 

SIP Headers

-----------------------------------------------------------------

sip-res:

SIP/2.0 200 OK [192.168.46.2:5060->192.168.46.180:5060]

Header:

Via: SIP/2.0/UDP 192.168.46.180:5060;branch=4

Header:

Via: SIP/2.0/UDP 192.168.46.180:5060;branch=2

Header:

Via: SIP/2.0/UDP 192.168.46.1:5060

Header:

From: seymour<sip:5201@192.168.46.1:5060;user=phone>

Header:

To: 5202<sip:5202@192.168.46.180:5060;user=phone>

Header:

Call-ID: 64133833318102@192.168.46.1

Header:

CSeq: 4 TRANSFER

Header:

Content-Length: 0

-----------------------------------------------------------------

 

SIP Headers

-----------------------------------------------------------------

sip-res:

SIP/2.0 200 OK [192.168.46.180:5060->192.168.46.1:5060]

Header:

Via: SIP/2.0/UDP 192.168.46.1:5060

Header:

From: seymour<sip:5201@192.168.46.1:5060;user=phone>

Header:

To: 5202<sip:5202@192.168.46.180:5060;user=phone>

Header:

Call-ID: 64133833318102@192.168.46.1

Header:

CSeq: 4 TRANSFER

Header:

Content-Length: 0

-----------------------------------------------------------------

 

SIP Headers

-----------------------------------------------------------------

sip-req:

ACK sip:818883831000@192.168.46.180:5060;maddr=192.168.46.180 SIP/2.0

[192.168.46.2:5060->192.168.46.180:5060]

Header:

Via: SIP/2.0/UDP 192.168.46.2:5060

Header:

From: grouse<sip:5202@192.168.46.2:5060>

Header:

To: <sip:818883831000@192.168.46.180:5060>;tag=49FD06B8-4B7

Header:

Call-ID: 64133833318102@192.168.46.1

Header:

CSeq: 1 ACK

Header:

Route:

<sip:818883831000@192.168.46.180:5062;maddr=192.168.46.180>,<sip:818883831000@192.168.5.1

69:5060>

 

Header:

Content-Length: 0

C-182

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Cisco Systems 1.3.0 manual 182