[Serusers] REGISTER from SER

[Geert Nijpels]

Olle E. Johansson wrote:

> Superuser wrote:
>
>> Jan,
>>
>> Thank you for the response.
>>
>> The longer I use the SER proxy server, the more uses I
>> find for it.
>>
>> What I am currently envisioning is this:
>>
>> I run a PBX PROXY server for a specific business
>> customer.  This customer has a private naming (numbering)
>> plan. The names of the UA devices are 101, 102, 103, etc..
>> These are 'extension numbers'.
>>
>> I would like to be able to make the PBX 'pretend' it is
>> the phone.  It will send a REGISTER to the GATEWAY, and then subsequent
>> INVITES for that number will be sent to the PBX.  The PBX will
>> determine how to deliver the call using local rules on the
>> SER proxy.  The rules will be something like:
>>
>> business days between 9am and 5pm forward all incoming calls to x100.
>>
>> If extension 100 is busy (or doesn't answer), roll to extension 101.
>>
>> If extension 101 is busy (or doesn't answer), roll to voice mail.
>>
>> And a million other things.
>>
>> I realize that I can forward the call from the GATEWAY
>> to the PBX, but, I think it would be MUCH cleaner if
>> I could tell the SER PBX engine to REGISTER a number....
>
> With the risk of being bashed on this list, I would propose that you 
> use Asterisk
> as a PBX. It can register to SER, it's not a full-featured SIP proxy 
> as SER, but
> have the functions you need on the PBX level. Voicemail, conferencing, 
> call groups
> and a lot more. SER and Asterisk is a good combination in the scenario 
> you describe.

Maybe this is a stupid question, but would it be possible to use SER and 
Asterisk together to provide (group) call-pickup functionality? I know 
Asterisk can do it, and I know SER can't do it.

Maybe forking the INVITE to both the user and Asterisk?

Geert