“Is it possible to connect the CM18445 system with The UP416 system? To Page and transfer calls from system to system if they are on the same phone lines?”

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• Hi - The VTech CM18445 and UP416 are two different 4 line telephone system. Both can be connected on the same line as extension phones but they will not communicate with each other. Thank you, -VTech Support

  Answered by VTech Baby Monitors Team 3 years ago

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