[cisco-voip] h323 PRI two trunk groups

Peter Slow peter.slow at gmail.com
Wed Jan 6 03:33:41 EST 2010


("no" in response to: can it be used between two trunk groups on the same T1?  )

On Wed, Jan 6, 2010 at 3:31 AM, Peter Slow <peter.slow at gmail.com> wrote:
> nope.
>
> -Pete
>
> On Mon, Jan 4, 2010 at 1:00 PM, Jason Shearer <jshearer at amedisys.com> wrote:
>> Yea….I have used NFAS to share signaling traffic between two separate
>> physical trunks but can it be used between two trunk groups on the same T1?
>> If so, you might try a config like this:
>>
>>
>>
>> controller T1 0/0/1
>>
>>  cablelength long 0db
>>
>>  pri-group timeslots 1-12 nfas_d primary nfas_int 0 nfas_group 1
>>
>>  pri-group timeslots 13-24 nfas_d primary nfas_int 0 nfas_group 1
>>
>>
>>
>> Once again….not sure if you can actually run NFAS on PRI channel groups on
>> the same T1.  Not really sure why you would want to do this either…..what is
>> the carrier saying about this?
>>
>> Jason
>>
>>
>>
>> From: cisco-voip-bounces at puck.nether.net
>> [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Carter, Bill
>> Sent: Monday, January 04, 2010 11:08 AM
>> To: Countryman, Edward; cisco-voip at puck.nether.net
>> Subject: Re: [cisco-voip] h323 PRI two trunk groups
>>
>>
>>
>> Yes, this is call NFAS. After the controllers are configured, there is only
>> 1 serial interface.
>>
>>
>>
>> controller T1 0/0/1
>>
>>  cablelength long 0db
>>
>>  pri-group timeslots 1-24 nfas_d primary nfas_int 0 nfas_group 1
>>
>> !
>>
>> controller T1 0/1/0
>>
>>  cablelength long 0db
>>
>>  pri-group timeslots 1-24 nfas_d backup nfas_int 1 nfas_group 1
>>
>> !
>>
>>
>>
>> interface Serial0/0/1:23
>>
>>  no ip address
>>
>>  encapsulation hdlc
>>
>>  isdn switch-type primary-ni
>>
>>  isdn incoming-voice voice
>>
>>  no cdp enable
>>
>> !
>>
>>
>>
>>
>>
>>
>>
>> From: cisco-voip-bounces at puck.nether.net
>> [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Countryman, Edward
>> Sent: Monday, January 04, 2010 10:01 AM
>> To: cisco-voip at puck.nether.net
>> Subject: [cisco-voip] h323 PRI two trunk groups
>>
>>
>>
>> I have a vendor who has requested I split up a single PRI into two separate
>> trunk groups but with only one d channel.  I am not sure if this can be done
>> or even how.  Anyone have insight on how to do this?
>>
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