[19440] in North American Network Operators' Group
Re: Inter-CO signaling?
daemon@ATHENA.MIT.EDU (John M. Brown)
Sun Sep 13 05:53:57 1998
Date: Sun, 13 Sep 1998 02:24:26 -0700
To: nanog@merit.edu
From: "John M. Brown" <jmbrown@ihighway.net>
In-Reply-To: <7548.wsimpson@greendragon.com>
US West is also doing this now. Welcome to TelCo HELL.
jmbrown@ihighway.net
At 10:32 PM 9/10/98 +0000, you wrote:
>> From: James Carlson <carlson@ironbridgenetworks.com>
>> - If they're using channel banks between you and the
>> customer's switch (like if they dropped you cheap T1s by
>> putting them line-side on your switch, rather than trunk-
>> side), then you lose. 24Kbps will be about the maximum.
>>
>Yes, BellSouth did something like that to us at our main dial-in bank
>over last weekend. They've been running out of dialtone on the switch,
>since we have so many lines (much more than they ever expected in a
>rural area).
>
>Now, they claim that they only promise that we will receive 9.6Kbps per
>line! We've been told this by several persons. We are getting
>28.8Kbps.
>
>This problem has taken a lot of my time all week.
>
>
>> - Some misconfigurations will merely cause lots of errors and
>> poor performance rather than abject failure. Check AMI
>> versus B8ZS (look for coding violations), and check for
>> clocking problems (extremely frequent slips noted by FDL).
>>
>We had that problem on T1s, until we switched to PRIs. More expensive
>per line, but at least they work better. ILEC equipment is in a
>terrible state.
>
>WSimpson@UMich.edu
> Key fingerprint = 17 40 5E 67 15 6F 31 26 DD 0D B9 9B 6A 15 2C 32
>
