From: Hedlund, Brad (BHedlund@xxxxxxxxxxxx)
Date: Thu May 25 2000 - 11:38:42 GMT-3
> My questions are ---
>
> 1. Say there are multiple phones attach to both routers
> through a T1 MUX, phones
> attach to R1 are 31022466xx and
> phones attach to R2 are 41511xxxxx, is this a correct
> application for the above
> configs?
Do you mean if R1 and R2 are connected to PBX's via T1?
If so it probably woudlnt work. The only digits the
router would send to the PBX are the ones in the '.' positions.
That may not be enough for the PBX to understand what extension to ring.
> 2. From the phone on R1, dial 41511xxxxx (x represents any
> digit), R2 phone will
> ring, so where the "num-exp 5 ..." comes into play here?
Your num-exp would come into play if you dial from R2.
If you dialed 5... on R2 it will changed it to 415115... and
then submit that string to the dial-peer list for call proccessing.
> 3. From the phone on R2, dial 31022466xx, R1 phone will ring,
> I thought R1 phone
> should ring only when R2 dials 310224661x.
Once again you are confusing yourself the the num-exp.
Remeber, num-exp is applied at the router where the call is originating.
> 4. If I add a "prefix 9," under the POTS dial peer section of
> both routers, what
> will happen?
In this case ... nothing. You are using FXS ports ... FXS ports do not send
digits!
If you had FXO or E&M ports it would send a 9 digit every time it took the
line off hook, followed
by whatever else it needed to send for call completion.
> 5. What is the main purpose of the "num-exp" statement on
> both routers?
num-exp takes a set of dialed digits and changes it into something else
before dial-peer processing. It is preempt to the dial-peer processing.
Since dial-peers are not used at the end-point of the call, num-exp only
works
at the router where the call originates from.
Hope that helps,
Brad Hedlund
CCIE #5530
REAL Solutions (CENTRON)
Elcamino Resources Ltd.
Eden Prairie, MN.
(952) 829-2877
> R1>>>
> voice-port 1/0/0
> !
> dial-peer voice 10 pots
> destination +31022466..
> port 1/0/0
> !
> dial-peer voice 20 voip
> destination 415.......
> session target ipv4:10.1.1.2
> !
> num-exp 1. 310224661.
>
> R2>>>
> voice-port 1/0/0
> !
> dial-peer voice 10 pots
> destination +41511.....
> port 1/0/0
> !
> dial-peer voice 20 voip
> destination 310.......
> session target ipv4:10.1.1.1
> !
> num-exp 5.... 415115....
>
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