Analogs Telephone have busy tone

[casp1616]

Hi, everyone
I need some help here, I don´t have expertice in MD110 PBX, but I have an issue that is some analogs telephone work fine, they receive calls ok, but at the moment for doing a call, the phone is busy, so I can´t do anything. I checked the board with WINFIOL, and I restarted and it does, although with the same result. Other thing is that it doesn´t have any alarm and I extracted and inserted the board and nothing. So What can I do?

I expect that you can help me... Thanks and greetings...

 

[whosrdaddy]

please post the printout of following command:

SUSIPIR=XXX;

where XXX is your extension number

/Daddy

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[himdp]

If it's a number of phones, are they all in the same LIM? If so, it could be keycode receiver congestion/ TMU Fault.

 

[aviator051]

Some of your telephone lines can have ground because of bad cable. first check them. and ?f you have spexi extention check their lines if groud correct them. Than restart tmu board if you still have the same faulth replace the TMU.