Thanks - have done that and am now trying a one out. However, I'd
still like to know whether 1 asterisk server can support multiple
trunks/registry entries. Does it cause problems?

Thanks

John

2009/12/3 Tim Nelson <tnel...@rockbochs.com>:
> ----- "John Taylor" <j...@vetsurgeon.org.uk> wrote:
>> I want to use an asterisk box to provide a voip service to a number
>> of
>> separate companies.
>>
>> I have a VOIP provider who I want to trunk with. As far as I can see
>> it there are 2 options
>> 1. Have 1 SIP trunk to one account at the provider who gives me
>> multiple incoming numbers; this is less than optimal as the provider
>> does not provide the DID number in the sip header; I only get the
>> account number. I have the option to set "called line presentation"
>> but this will stop CLID
>>
>> 2. Have multiple sip trunks to multiple accounts at the provider. Is
>> this an advisable thing to do? I notice asterisk does not handle the
>> incoming context correctly (all incoming calls go to the last
>> incoming
>> context defined in sip.conf), but I can extract the account called
>> via
>> the EXTEN variable.
>>
>> I would be looking at providing around 20 companies with accounts
>> (all
>> very small), and would prefer option (2) to enable failover to a
>> number they specify.
>>
>> Thanks for any light shed
>>
>> John
>>
>
> Why not go with a real carrier that can send you proper DID and DNIS 
> information for each call? Rather than trying to configure/code/etc around 
> the problem with the ITSP, use an ITSP that does things correctly. There are 
> many people here on asterisk-users that can recommend a proper ITSP. If you 
> want pure business response, head over to asterisk-biz and ask there.
>
> Tim Nelson
> Systems/Network Support
> Rockbochs Inc.
> (218)727-4332 x105
>
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