North American Network Operators Group

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Re: Inter-CO signaling?

  • From: John M. Brown
  • Date: Sun Sep 13 05:52:03 1998

US West is also doing this now.  Welcome to TelCo HELL.

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At 10:32 PM 9/10/98 +0000, you wrote:
>> From: James Carlson <[email protected]>
>> 	- 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.
>
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>    Key fingerprint =  17 40 5E 67 15 6F 31 26  DD 0D B9 9B 6A 15 2C 32
>