I have 3 analog lines coming into UC540. Been working fine for three years.
I had been using AutoAttendant but the client just added a receptionist so I have sent the lines to her extension. Line one incoming sometimes rings once at her extension, then disappears, then sometimes comes back and she can answer.
Sometimes it rings once, disappears and the caller gets disconnected. It is intermittent. The line had some static on it so I had the CO clean it up but still have this issue.
If line 1 is busy when calls come in, there is no issue.
When this happens, the first ring shows caller ID, when it comes back, if it does come back, it shows anonymous. I turned off caller ID but that did not fix.
Anyone have any ideas and could you please tell me what logs to generate and how so I can post if needed?
Also, if anyone has best practice to share for having daytime receptionist with fall back to AA after hours, please share that too.
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