2talk doesn't actually offer multiple DDI's on home or business plans that I'm aware of (I know they are available wholesale).
There is nothing stopping you setting up multiple accounts on trixbox and to enable these to go to different extensions it's a simple matter of creating an inbound route for each number.
It's the same setup either way with the same bandwidth requirements.
I'm not sure if I was that clear in the last post.. 2talk let you have "DDI's" but you can't buy a block of numbers linked to your account, you have to add each one individually.
The difference is true DDI's will deliver multiple numbers over a single SIP trunk whereas multiple 2talk accounts will just give you a single number for each account and you will only have a single channel for inbound/outbound calls per account.
If you add multiple numbers to your 2talk account from the control panel you'll have multiple incoming numbers coming over the same account but will still be limited to a single concurrent call if you're on a personal plan or 5 calls if you're on a business plan.
Ideally you should use the IAX trunking service if you're requiring support for multiple calls as it's a lot more efficient in terms of bandwdith use.
What exactly are you trying to do? How many simultaneous calls do you require? What are you using for your internet connection and what is your bandwidth like?
yeah i am using IAX trunking, and on the business plan and got 5 did's, the situation is all 4 did's are forwarded to 1 number, and I had a play with it, there is no way of doing the routing by DID, so I use CID route which it works fine but no caller ID function, as the caller ID shows the actual DID number.
so do you know a better way of routing it.. cheers
Have you contacted 2talk? What they offer isn't a true DDI service but I believe these are available if you're a wholesaler.
I haven't spent any time playing with 2talk and multiple numbers but I do know Asterisk does have some issues when DDI/DID's are presented on behalf of rather than being presented as the CID itself.
the problem is solved it turns out that all DID's has to register as a trunk then just use the main number for out going calls, sounds silly, but that's the only way
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