[asterisk-dev] SIP Multiple endpoints with same id

[Eric "ManxPower" Wieling]

Luigi Rizzo wrote:
> On Wed, Nov 08, 2006 at 09:53:55AM -0600, Kevin P. Fleming wrote:
>> Alexei Volkov wrote:
>>> Is it possible (in theory) to make asterisk server multiple sip endponts
>>> configured with same sip credentials.
>> Of course it's possible (in theory). Asterisk is software, software can
>> be programmed to do anything people want it to do.
>>
>> <snip>
>>
>>> If asterisk can support multiple sip enpoints with same credentials  i
>>> have simplify routint to them with simple Dial(SIP/0001) instead of 
>>> Dial(SIP/0001&SIP/0002&SIP/0003)  command and save dialplan numbers (one
>>> instead of three in my case).
>>>
>> In spite of the fact that it is possible, we have no plans nor desire to
>> make this change. Asterisk treats SIP devices as _devices_, which means
>> it needs to be able to handle them individually. Turning devices into
>> _extensions_ is the responsibility of the dialplan, where it is very
>> very easy to do what you want to do (as your example shows).
> 
> The not-so-easy part (to me at least) is how to make this dynamic
> - e.g. buy a new _device_, configure with appropriate credentials,
> and have it dynamically (i.e. as it registers/unregisters)
> linked to a certain extension together with
> the other devices in the group without having to modify the dialplan.
> 
> If there is a well known trick to achieve this, it would be
> surely worthwhile documenting it in sip.conf or some other
> prominent place. It would cut a lot of questions.

The short answer is that you don't.  The long answer is that you should 
be able to using the regexten= option of sip.conf as well as the dialplan.