[cisco-voip] Are there any telco guy out there?

[peter.casanave at us.army.mil]

Are the copper T1s the same from Telco A, or is one T1 CAS and one PRI? I imagine you are probably using a Pri-Groups locally from your Cisco device pushing clear channel G.711. Could Telco A be using CAS to Telco B causing the call quality difference? I currently use CAS here because of local PBX requirements but am not noticing call degradation. Almost every year we have a problems with hard looped T1s from Ft. Hood, TX to Korea but it is always timing issues. Usually it is that both contracted telcos do not bump right on timing. Should ask telco A if he is passing timing to telco B via the hard looped T1. 

V/R,
PETER CASANAVE
SSG, USA
BBN Platoon Sergeant

----- Original Message -----
From: "Voll, Scott" <Scott.Voll at wesd.org>
Date: Tuesday, September 14, 2004 9:58 pm
Subject: [cisco-voip] Are there any telco guy out there?

> I have a really weird problem.  I have a remote site that there DID's
> come in at the central site.  Routes over a t1 to there phones.
> 
> Caller calls local DID and it comes in and works fine.  DID 
> belongs to
> telco A.  Now there is a second Telco (b) some 60 miles away in a
> different calling area, that also has a number that forwards to the
> local DID (telco a).  Some calls (not all) that come from telco b have
> poor audio quality.
> 
> I called telco b and they said they just have a hard loop. So no
> switching happens with them, it just gets forwarded to telco a.  The
> DIDs use to be an analog line.  
> 
> Does anyone have any ideas?  I also check and these are Land Lines not
> cell, or wireless.  I'm trouble shooting with cisco, but believe the
> problem is outside my VoIP network.  Any ideas?
> 
> TIA
> 
> Scott
> 
> 
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> 
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