1-3 of 3 Answers
Hello. We do not recommend this type of usage as there may be issues with interferences. Should you still wish to use the other telephone set, make sure that only one answering machine is turned on. – G
Sorry, there was a problem. Please try again later.This phone's answering system overrides any other system in place~! We discovered that~!
Sorry, there was a problem. Please try again later.I was able to sync my older 3-handset Panasonic unit to my new model. Instructions are given in the info booklet.
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