[asterisk-users] Receiving SIP calls without registeration and dynamic IP address

[Alex Balashov]

On Thu, 2 Aug 2007, Alex Balashov wrote:

> On Thu, 2 Aug 2007, William Moore wrote:
>
>> If you are only *SENDING* calls to asterisk and not receiving, you do
>> not need to send a registration.   You only need to send a
>> registration if you want to *RECEIVE* calls from asterisk.
>
>  That's not necessarily true.  Asterisk isn't going to just let any old
> IP address anywhere send a call through it;  it depends on how you configure 
> the relevant SIP peers.

   Although, Asterisk will probably behave as most UACs do here and simply 
challenge the INVITE, rather than demand a REGISTER, so on second thought
you are correct.

--
Alex Balashov
Evariste Systems
Web    : http://www.evaristesys.com/
Tel    : +1-678-954-0670
Direct : +1-678-954-0671