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Let me re-state what I said earlier:
PBX vendor says, PBX D500 is loosing clock; therefore, time slipping is happening
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Answer to Brokeda: We changed T1 to PRI back in 2006 since we needed Caller ID capability. Prior to the change, I don't think the problem was so significant. We noticed sometime we get line cutoff during the phone conversation though. The day we switched to PRI, the problem became severe. They ran loop testing many many times, but they never nailed it.
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Joined: May 2002
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You've stated that. What I asked is what PBX is on each end of the T-1. I don't want to put words in your mouth, I want you to tell me what brand and model on each end.
Retired phone dude
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T1-> Panasonic D500 -> Panasonic (I don't know the model #)-> Terminate
Analog line -> Toshiba PBX -> Terminate
Both lines are provided by the same T1 carrier.
By looking at their invoice, I still need to confirm with vendor what "Analog Line" (it says Basic Service on our bill).
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Joined: May 2002
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If you are tying two Panasonic PBX's together with a T-1 and from one of those Panasonic PBX's you have analog lines to a Toshiba PBX the T-1 has nothing to do with your dial failures as it's not even in the picture. Unless I'm still not following you and if that's the case I'll back out and let someone chime in who may understand it all.
Bottom line a T-1 PBX to PBX that is slipping is not going to be a LEC or any other carriers problem.
Retired phone dude
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To eliminate the confusion, please disregard the Analog line connecting to the Toshiba. I just want to find out the time slipping issue.
T1 is tied to Panasonic D500. The D500 is loosing clock.
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Joined: Oct 2001
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Are you using a CSU?
Have you tried changing the KX-T 96187 T1 card?
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MrG
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Let me find out from the PBX vendor about CSU & T1 card. Will get back to you tomorrow.
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Joined: May 2003
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I am still CORNFUUZZED.
Is The T1 used as a point to point to tie the pbxs together and then also pulling trunks out of it/
If this is so I would try a new T1 card in Main as Mr G suggested.
This could turn into a Redneck think tank project, but were trying.
And yes you should have a CSU.
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Joined: Dec 2009
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I think the PBX vendor already replaced the T1 card with a new in the D500 PBX. T1 from outside our building is connected to a SmartJack (circuit box), it then connected to the D500 PBX, and the line continues to another Panasonic PBX (slave) where it terminates. What is the CSU anyway?
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