User Agent to User Agent: Blind Transfer

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SIP Headers

 

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sip-req:

TRANSFER sip:5221@192.168.26.180:5060;maddr=192.168.26.180 SIP/2.0

[192.168.66.1:5060->192.168.26.180:5060]

 

Header:

Via: SIP/2.0/UDP 192.168.66.1:5060

 

Header:

From: UserAgent<sip:5220@192.168.66.1:5060;user=phone>

Header:

To: 5221<sip:5221@192.168.26.180:5060;user=phone>

Header:

Transfer-To: <sip:5222@192.168.26.180:5060;user=phone>

Header:

Call-ID: 507936623238514@192.168.66.1

Header:

CSeq: 2 TRANSFER

 

Header:

Require: cc Transfer

 

Header:

Route:

 

<sip:5221@192.168.26.180:5060;maddr=192.168.26.180>,<sip:5221@192.168.66.2:5060>

Header:

Content-Length: 0

 

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SIP Headers

 

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sip-res:

SIP/2.0 100 Trying [192.168.26.180:5060->192.168.66.1:5060]

Header:

Via: SIP/2.0/UDP 192.168.66.1:5060

 

Header:

From: UserAgent<sip:5220@192.168.66.1:5060;user=phone>

Header:

To: 5221<sip:5221@192.168.26.180:5060;user=phone>

Header:

Call-ID: 507936623238514@192.168.66.1

Header:

CSeq: 2 TRANSFER

 

Header:

Content-Length: 0

 

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SIP Headers

 

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sip-req:

TRANSFER sip:5221@192.168.66.2:5060 SIP/2.0

[192.168.26.180:5060-

>192.168.66.2:5060]

 

Header:

Via: SIP/2.0/UDP 192.168.26.180:5060;branch=4

Header:

Via: SIP/2.0/UDP 192.168.26.180:5060;branch=2

Header:

Via: SIP/2.0/UDP 192.168.66.1:5060

 

Header:

From: UserAgent<sip:5220@192.168.66.1:5060;user=phone>

Header:

To: 5221<sip:5221@192.168.26.180:5060;user=phone>

Header:

Transfer-To: <sip:5222@192.168.26.180:5060;user=phone>

Header:

Call-ID: 507936623238514@192.168.66.1

Header:

CSeq: 2 TRANSFER

 

Header:

Require: cc Transfer

 

Header:

Content-Length: 0

 

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SIP Headers

 

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

sip-res:

SIP/2.0 100 Trying [192.168.66.2:5060->192.168.26.180:5060]

Header:

Via: SIP/2.0/UDP 192.168.26.180:5060;branch=4

Header:

Via: SIP/2.0/UDP 192.168.26.180:5060;branch=2

Header:

Via: SIP/2.0/UDP 192.168.66.1:5060

 

Header:

From: UserAgent<sip:5220@192.168.66.1:5060;user=phone>

Header:

To: 5221<sip:5221@192.168.26.180:5060;user=phone>

Header:

Call-ID: 507936623238514@192.168.66.1

Header:

CSeq: 2 TRANSFER

 

Header:

Content-Length: 0

 

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

 

SIP Headers

 

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

sip-req:

INVITE sip:5222@192.168.26.180:5060;user=phone SIP/2.0 [192.168.66.2:5060-

>192.168.26.180:5060]

 

Header:

Via: SIP/2.0/UDP 192.168.66.2:5060

 

Header:

From: UserAgent<sip:5221@192.168.66.2:5060>

Header:

To: <sip:5222@192.168.26.180:5060;user=phone>

Header:

Call-ID: 507936623238514@192.168.66.1

Header:

CSeq: 1 INVITE

 

Header:

Subject: VovidaINVITE

 

Header:

Contact: <sip:5221@192.168.66.2:5060;user=phone>

Header:

Content-Type: application/sdp

 

Header:

Content-Length: 168

 

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SDP Headers

 

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Header:

v=0

 

C-134

Page 190
Image 190
Cisco Systems 1.3.0 manual 134