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Mitel SX-2000 dial tone but can't dial

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jjohnston20

Technical User
Nov 18, 2013
31
US
I have a room phone that when I pick it up I hear dial tone. When I start dialing, I hear the beeps from the keys, but the dial tone never goes away, and I can't call any extension or outside. any ideas? I tried a couple different room phones.
 
First thing I would suspect is a bad DTMF receiver, which lives on the peripheral switch controller for that cabinet. Check to make sure the trouble is isolated a single peripheral cabinet, and if so, replace the PSC card.
 
oh gosh, we just replaced the ONS card... should I try a power cycle of the cabinet?
 
I'd try a graceful re-load of the PSC first ("load <cabinet> <shelf> 16") first. But again, make sure the trouble is limited to a specific cabinet, otherwise your problem lies elsewhere and none of this is likely to fix anything.
 
ON the ONS card that this phone runs on, I see one of the 16 lights on the front stays light, it never shuts off.
 
What does the maintenance terminal say for the state of that extension/PLID?
 
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