[asterisk-users] PRI Callerid Passthrough

[Jeff LaCoursiere]

My, how embarrassing.  I of course meant that as a personal message to 
Don.  But if anyone else knows the answer, I'm interested! lol

Cheers,

j

On 03/18/2015 10:02 AM, Jeff LaCoursiere wrote:
>
> Hey Don,
>
> How are you?  I may be heading your way in the next month or so.  Have 
> to meet with a guy in Eden Prairie, and stop off at my 
> brother/sisterm-in-law's as well.
>
> Got a question for you - with TBCT, who pays for the call once it is 
> transferred?  Still me as the owner of the trunk?
>
> Lets say I take a call that was dialled locally (caller believes this 
> is "free"), and I do a TBCT to an international destination, and they 
> stay on the line for ten minutes.  Who gets the bill?
>
> Cheers,
>
> j
>
> On 03/18/2015 09:19 AM, dk at donkelly.biz wrote:
>>
>> This depends on what you mean by “not involving the service provider.”
>>
>> If you are literally forwarding calls that come in on the PRI back 
>> out on the PRI, the most efficient way is with Two B-Channel Transfer 
>> (TBCT). Check it out in the wiki.
>>
>> You need to make sure your carrier supports the feature.
>>
>> When you want to do a “transfer,” you have an incoming call alerting 
>> or answered, you initiate an outgoing call (using the originating 
>> ANI). You initiate the TBCT and the CARRIER completes the transfer, 
>> disconnecting both of your B channels. The carrier will later notify 
>> you when the transferred call is done, but I don’t think Asterisk 
>> handles this directly.
>>
>> Note that at least one of the calls must be answered when you 
>> initiate the transfer. If you are doing “unattended” transfer, you 
>> will, typically, leave the incoming call alerting until the outbound 
>> call answers, then complete the transfer. An “attended” transfer 
>> would generally answer the incoming call, play a message, do some IVR 
>> doodling, or chat with an agent then initiate the transfer.
>>
>> Have fun
>>
>> --Don
>>
>> *From:*asterisk-users-bounces at lists.digium.com 
>> [mailto:asterisk-users-bounces at lists.digium.com] *On Behalf Of 
>> *Rizwan H Qureshi
>> *Sent:* Wednesday, March 18, 2015 7:16 AM
>> *To:* Asterisk Users Mailing List - Non-Commercial Discussion
>> *Subject:* Re: [asterisk-users] PRI Callerid Passthrough
>>
>> Thanks AJ and David,
>>
>> We were actually using GSM gateways by setting busy forward number on 
>> the SIMs and just giving busy signal on every incoming call, telco 
>> took care of the forwarding and the line was free within seconds. Now 
>> we need to scale up the setup but GSM gateways a very very expensive 
>> if we want to scale upto a 1000 DIDs, which means thousand SIMs and a 
>> gateway/gateways big enough.
>>
>> On Wed, Mar 18, 2015 at 3:43 PM, A J Stiles 
>> <asterisk_list at earthshod.co.uk 
>> <mailto:asterisk_list at earthshod.co.uk>> wrote:
>>
>> On Wednesday 18 Mar 2015, Rizwan H Qureshi wrote:
>> > Hi All,
>> > I have to forward incoming call on PRI back out to PRI but I need the
>> > original Callerid to passthrough. Is it possible with DAHDI PRI cards
>> > without involving the service provider?
>> >
>> > Thanks
>>
>> It depends who your service provider is!
>>
>> Any PRI card can send the commands down the D-channel to set any 
>> caller ID you
>> like, but it's still up to the telco whether or not they will honour your
>> request.  I know the hard way that BT will only let you identify with 
>> a number
>> you're entitled to use.
>>
>> Also, remember if you have a call coming in on a PRI line and going 
>> out on
>> another PRI line, that's eating two of your thirty lines .....
>>
>> --
>> AJS
>>
>> Note:  Originating address only accepts e-mail from list!  If 
>> replying off-
>> list, change address to asterisk1list at earthshod dot co dot uk .
>>
>>
>> --
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>>
>>
>> -- 
>>
>> Best Ragards
>>
>> Rizwan H Qureshi
>>
>> V: +971 (0) 528272154
>>
>> linkedin.com/in/rhqureshi <http://linkedin.com/in/rhqureshi>
>>
>>
>>
>
>
>

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