[SIP Beyond VoIP] Port in To header
Ciprian Hacman
chacman at ezuce.com
Wed Feb 13 18:01:47 CET 2013
Hello all,
I am trying to use sip simple to subscribe to an BLA/SLA server.
The SIP message looks like this (from a Polycom phone):
SUBSCRIBE sip:192.168.123.200:5170;x-sipX-nonat SIP/2.0
Via: SIP/2.0/UDP 192.168.123.202;branch=z9hG4bK8cc585c36CA6B074
From: "John Smith" <sip:202 at ezuce.ro>;tag=9F64CACA-5C54C13B
> To: <sip:192.168.123.200:5170;x-sipX-nonat>
CSeq: 1 SUBSCRIBE
Call-ID: 7d5e4d65-7de6c96-57fd1e07 at 192.168.123.202
Contact: <sip:202 at 192.168.123.202>
Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, INFO, MESSAGE, SUBSCRIBE, NOTIFY, PRACK, UPDATE, REFER
Event: dialog;sla
User-Agent: PolycomVVX-VVX_500-UA/4.0.3.7562
Accept-Language: en
Accept: application/dialog-info+xml
Max-Forwards: 70
Expires: 3326
Content-Length: 0
The "To" header contains an IP and a port.
Sipsimple uses ToHeader() to pare and URI and the result I see in the SUBSCRIBE message does not contain the port anymore.
Is there a way to send a message that also contains the port in the To header?
Thanks,
Ciprian
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