[cisco-voip] back to back pri

[Lelio Fulgenzi]

We've done this on some spare 6608 ports and it works great.

----- Original Message ----- 
From: "Stu Packett" <SPackett at fenwick.com>
To: "Kevin Thorngren" <kthorngr at cisco.com>; "mohammad mirzaee" 
<hezare3 at yahoo.com>
Cc: <cisco-voip at puck.nether.net>
Sent: Monday, May 08, 2006 12:28 AM
Subject: Re: [cisco-voip] back to back pri


> Kevin:
> This seems to be a perfect setup for a telco simulator.  Would you know
> what other commands to type in on both routers to make this a working
> telco simulator?  I have several VG200s sitting around with ISDN PRI
> cards and I hope to use them as a telco simulator so my lab could make
> some 'outside' calls instead of the regular 'internal' calls I'm
> currently only able to make.
>
> Thanks in advance.
>
> -----Original Message-----
> From: cisco-voip-bounces at puck.nether.net
> [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Kevin Thorngren
> Sent: Sunday, May 07, 2006 6:54 PM
> To: mohammad mirzaee
> Cc: cisco-voip at puck.nether.net
> Subject: Re: [cisco-voip] back to back pri
>
> You will need to do the following....
>
> - T1 crossover cable
> - One side should provide clocking by using the "clock source internal"
> on the T1/E1 ocntroller
> - One side will need to be the ISDN User Side (default) and you will
> need to configure the other side as the ISDN Network Side with the
> following command under the serial interface: "isdn protocol-emulate
> network"
>
> For example:
>
> controller T1 3/0
>  framing esf
>  clock source internal
>  linecode b8zs
>  pri-group timeslots 1-24
>
> interface Serial3/0:23
>  no ip address
>  encapsulation hdlc
>  isdn switch-type primary-ni
>  isdn protocol-emulate network
>  isdn incoming-voice voice
>  no cdp enable
>
> Kevin
>
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