[SIPForum-discussion] Port Number in Contact Header

[Gaurav Raval]

Dear Jerry,

As far as I noticed, port number should not be included in the contact
header.

But in the special case where you are explicitly communicating on non
standard port, the port number will become essential ( somewhat similar to
web address that does not require <url>:80 but <url>:8080 requires explicit
port number). All further headers including BYE should be taken care in such
scenario.

Kindly go through
http://osdir.com/ml/voip.sip-communicator.devel/2007-08/msg00043.html for
more details.

Regards,

Gaurav Raval
JRF, Department of CE,
Vishwakarma Institute of Technology,
Pune, India
http://gaurav.raval.googlepages.com

On Wed, Jan 28, 2009 at 8:57 PM, Jerry Richards <jerryr at tonecommander.com>wrote:

> Hello All,
>
> Should the port number be included in the SIP Contact header (e.g.
> "Contact:
> <sip:1028 at 192.168.72.59:5060>")?  I noticed the examples in RFC 3261 for
> Contact header do not include a port number.
>
> Best Regards,
> Jerry
>
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