Question about AT&T Partner 18 Phone (315805B)
15 Year old Partner Plus system. The system is leaking noise into one of the outgoing lines (MLS-18D) whenever there is an incoming call to the main switchboard (MLS-34D). We have replaced the phone lines to the office but got no improvement. Suspect the problem is either in the 34D or in a module. Suggestions
Probably in the module. Switch to different port on module and see if it clears the problem
Posted on Sep 03, 2009
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Posted on Jan 02, 2017
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