1-1 of 1 Answer
Thank you for your question. In order to better assist you we would need the model of the base unit as the handsets are compatible with the base unit. 2 Handsets cannot be compatible with each other just if they're both compatible with the base unit. Please see below the compatibility list: http://eng-ca.faq.panasonic.com/app/answers/detail/a_id/57170/kw/compatible/p/7/c/67659
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