Ringing can be done as a call coverage button, any phone can cover any other ringing phone. I like that because it can be done on the fly, plus a call coverage button is still a dss key at the same time. CO ringing is programmed in flash 40 table but it is not as flexible as call coverage.


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"Old phone guys never die, they just get locked in some closet with an old phone system and forgotten about"

Retired, taking photographs and hoping to fly one of my many kites.