[VoiceOps] Unique DIDs vs. Custom extensions

Brooks Bridges brooks at firestormnetworks.net
Sat Sep 19 13:31:27 EDT 2015

Please provide me a list of carriers that support 2BCT but don't bill 
for any calls that are released back to their switch.  I want to abuse 
the hell out of it.

On 9/19/2015 8:35 AM, Jay Ashworth wrote:
> ----- Original Message -----
>> From: "Jared Smith" <jaredsmith at jaredsmith.net>
>> I helped consult on a similar system eight or nine years ago -- at the
>> time, my client used Asterisk with PRI channels instead of SIP channels,
>> because of the ability to do a two-B-channel transfer and cut himself out
>> of the middle of the call after the connecting the caller to the called
>> party. Asterisk can initiate the two-B-channel transfer, but as far as I
>> know doesn't yet do anything with the message coming back down the PRI
>> letting it know when the call has terminated. (Well, that's not entirely
>> true -- Asterisk logs an error message, so I assume it wouldn't be too
>> hard to actually connect that up to some sort of better logging to be able
>> to determine the call duration.)
> 2BCT is great stuff, if your carrier will give it to you: you don't pay
> for the minutes except when they're on your trunks -- and if they're local
> trunks, they may still be free cause they're incoming.
> Cheers,
> -- jra

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