Can anybody tell me how to,and what kind of, extra ringer I can connect to a M7100. When I looked at the M7100 R11 connections I saw to my surprise that the middle R11 seems to be for a extra ringer!
connected to the headset jack on the M7XXX series sets, and using the audio input to the alerter. They are powered by a transformer, which has a distance limitation, and they come with a modular cord to connect the device to a jack. Not a very costly item either.
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