[SIPForum-discussion] should UA accept SIP INVITE destined to a different domain than was initially registered to

[Keith Lin]

Hi Kias,


I'm not sure if the proxy accept multiple domain invite
as far as I know, there was no redirection settings either

My device is a SIP UA, so I'm more concern regarding to if the UA
should accept such SIP INVITE or not. It's like hey I have received such
INVITE message, I don't care what the proxy settings are ( I have no control
over the proxy settings). But I can modify UA behaviours =)


regards,
Keith



2011/10/6 HM Kias <hmkias at gmail.com>

> Does the proxy accept multiple domains invite and is there any redirects
> done for open relay calls?
>
> Please advise.
>
> Regards,
>
>
>
> On Tue, Oct 4, 2011 at 1:55 PM, Keith Lin <iamchiaweilin at gmail.com> wrote:
>
>> Hi everyone,
>>
>>
>> My question is "Should an UA accept SIP INVITE, whose "to header" field
>> contains a different domain than
>> the one that this UA initially registered with?"
>>
>> Let me use an example to illustrate my question again:
>>
>> (1) an UA registered with a proxy say a.com
>>      let's say this UA has an URI of 111 at a.com
>>
>> (2) if this UA receives an INVITE with to header field 111 at b.com
>> Should it accept this invite?
>>
>> because I initially registered with a.com, an incoming request is
>> destined to b.com
>> wouldn't there be a security problem if this request is accepted?
>>
>> Thank you guys~
>>
>>
>>
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>
>
> --
> HM Kias
> 91-9443467600
>
>
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