[asterisk-users] multiple PRI's in one group ..how??

Oguzhan Kayhan oguzhank at bilkent.edu.tr
Mon Jun 15 01:11:17 CDT 2009


Thanks a lot..
ALl the information  i need and much more:)
very useful:)




> Oguzhan Kayhan escribió:
>> I mean..making a single trunk between a pstn or telco with 2 or more
>> PRI's..
>> I mean instead of using 32 channels to use 64 or more..
>>
>> I am trying to increase the capacity  between my PSTN and asterisk
>> actually.
>> There will be more than 35-40 concurrent calls  so while creating a zap
>> trunk(or dahdi..whatever u call)  i want all pris to behave like they
>> are
>> a single span
>> I hope i make myself clear now :)
>> sorry for misunderstanding.
>>
>>
> Just put all channels of all spans you want on the same group (look at
> this example snip of zapata.conf):
>
> group=1
> signalling = pri_cpe
> context=4pri
> channel => 1-15
> channel => 17-31
>
> channel => 32-46
> channel => 48-62
>
> channel => 63-77
> channel => 79-93
>
> channel => 94-108
> channel => 110-124
>
> That way asterisk will use the 120 channels as one big trunk on g1. if
> you Dial(Zap/g1/number), it will use all the channels. If you want to do
> round-robin so it goes around all channels and not the first free, try
> Dial(Zap/r1/number) from incrementing round-robin, or
> Dial(Zap/R1/number) to decrementing round-robin.
>
> Of course, depending on your need you can split them off on the arrange
> you want, not only at a entire PRI level. If you wanted to reserve 5
> channels to inbound calls only and the rest for outbound, you could do
> this for example:
>
> group=1
> signalling = pri_cpe
> context=outbound-group
>
> channel => 6-15
> channel => 17-31
>
> channel => 32-46
> channel => 48-62
>
> channel => 63-77
> channel => 79-93
>
> channel => 94-108
> channel => 110-124
>
> group=7
> signalling = pri_cpe
> context=inbound-group
> channel => 1-5
>
> This way, if you Dial group 1, you won't use channels 1-5, leaving them
> free for inbound calls.
>
> Cheers,
>
> Ing. Miguel Molina
> Grupo de Tecnología
> Millenium Phone Center
>
>
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