SIP IP Phone to SIP IP Phone: Call Return

sip-req:

INVITE sip:6715@192.168.26.200:5060;user=phone SIP/2.0 [192.168.26.180:5060-

>192.168.26.200:5060]

 

Header:

Via: SIP/2.0/UDP 192.168.26.180:5060;branch=1

Header:

Via: SIP/2.0/UDP 192.168.26.10:5060

Header:

From: <sip:6711@192.168.26.10:5060>

Header:

To: <sip:6715@192.168.26.180:5060>;user=phone

Header:

Call-ID: c2943000-3e262-b4b1-2e323931@192.168.26.10

Header:

CSeq: 101 INVITE

 

Header:

Proxy-Authorization: Basic 123

 

Header:

Expires: 180

 

Header:

Record-Route: <sip:6715@192.168.26.180:5060;maddr=192.168.26.180>

Header:

Contact: <sip:6711@192.168.26.10:5060>

Header:

Content-Type: application/sdp

 

Header:

Content-Length: 219

 

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

 

SDP Headers

 

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

Header:

v=0

 

Header:

o=CiscoSystemsSIP-IPPhone-UserAgent 8962 2811 IN IP4 192.168.26.10

Header:

s=SIP Call

 

Header:

c=IN IP4 192.168.26.10

 

Header:

t=0 0

 

Header:

m=audio 29850 RTP/AVP 0 101

 

Header:

a=rtpmap:0 pcmu/8000

 

Header:

a=rtpmap:101 telephone-event/8000

 

Header:

a=fmtp:101 0-11

 

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

 

SIP Headers

 

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

sip-res:

SIP/2.0 302 Moved Temporarily [192.168.26.200:5060->192.168.26.180:5060]

Header:

Via: SIP/2.0/UDP 192.168.26.180:5060;branch=1

Header:

Via: SIP/2.0/UDP 192.168.26.10:5060

Header:

From: <sip:6711@192.168.26.10:5060>

Header:

To: <sip:6715@192.168.26.180:5060>;user=phone

Header:

Call-ID: c2943000-3e262-b4b1-2e323931@192.168.26.10

Header:

CSeq: 101 INVITE

 

Header:

Contact: <sip:6715@192.168.26.180:5060>

Header:

Content-Length: 0

 

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

 

SIP Headers

 

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

sip-req:

ACK sip:6715@192.168.26.200:5060;user=phone SIP/2.0 [192.168.26.180:5060-

>192.168.26.200:5060]

 

Header:

Via: SIP/2.0/UDP 192.168.26.180:5060;branch=1

Header:

From: <sip:6711@192.168.26.10:5060>

Header:

To: <sip:6715@192.168.26.180:5060>;user=phone

Header:

Call-ID: c2943000-3e262-b4b1-2e323931@192.168.26.10

Header:

CSeq: 101 ACK

 

Header:

Content-Length: 0

 

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

 

SIP Headers

 

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

sip-req:

INVITE sip:6715@192.168.26.11:5060 SIP/2.0

[192.168.26.180:5060-

>192.168.26.11:5060]

 

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 192.168.26.10:5060

Header:

From: <sip:6711@192.168.26.10:5060>

Header:

To: <sip:6715@192.168.26.180:5060>;user=phone

Header:

Call-ID: c2943000-3e262-b4b1-2e323931@192.168.26.10

Header:

CSeq: 101 INVITE

 

Header:

Expires: 180

 

Header:

Record-Route:

 

<sip:6715@192.168.26.180:5060;maddr=192.168.26.180>,<sip:6715@192.168.26.180:5060;maddr=1

92.168.26.180>

 

Header:

Contact: <sip:6711@192.168.26.10:5060>

Header:

Content-Type: application/sdp

Header:

Content-Length: 219

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

SDP Headers

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Cisco Systems 1.3.0 manual SIP IP Phone to SIP IP Phone Call Return