Vivek Gupta wrote:
> Hi,
>
> Is it possible that the user name in AOR (address of record) in the To
> header of registration request is missing?
Do you mean:
REGISTER sip:example.com
To: sip:example.com
From: sip:example.com
Contact: sip:phone.example.com
I believe this is possible in theory. It would be up to the example.com
domain to allow this. (A user with a null name.) In practice I doubt you
will encounter this. Certainly if you are building a registrar you can
choose not to support it.
When building a UA, if you choose not to support this then you will cut
yourself off from selling to those who want to use this. Probably won't
cost you much market share.
Paul
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