SIP Phone to Phone via Gateway: Called Party is Busy

Header:

Via: SIP/2.0/UDP 192.168.26.10:5060

Header:

From: <sip:6711@192.168.26.10:5060>

Header:

To: <sip:93831069@192.168.26.180:5060>;tag=25A5AD44-1FE9

Header:

Call-ID: c2943000-3e262-e4dc-2e323931@192.168.26.10

Header:

CSeq: 100 ACK

Header:

Route: <sip:93831069@192.168.16.210:5060>

Header:

Proxy-Authorization: Basic 123

Header:

Content-Length: 0

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

 

SIP Headers

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

sip-req:

ACK sip:93831069@192.168.16.210:5060 SIP/2.0 [192.168.26.110:5060-

>192.168.16.210:5060]

Header:

Via: SIP/2.0/UDP 192.168.26.110:5060;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:93831069@192.168.26.180:5060>;tag=25A5AD44-1FE9

Header:

Call-ID: c2943000-3e262-e4dc-2e323931@192.168.26.10

Header:

CSeq: 100 ACK

Header:

Content-Length: 0

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Cisco Systems 1.3.0 manual SIP Phone to Phone via Gateway Called Party is Busy