Thanks for your advise, I will try..
 
Regards,
Tung

> if (registered("location")) {
> ..
> }
>
> M.
>
> On Thu, 2007-09-13 at 00:12 +0700, Tung Tran wrote:
>> Hi all,
>>
>> Should anyone please help how to check the from user in INVITE
>> request is already registered?
>>
>> Thanks you very much.
>>
>> Tung