A:AnswerThank you for your question.
There is a headset jack on the handsets, a 2,5 mm one compatible with Panasonic headsets.
You can also use Bluetooth headphones that must support HPV profile.
A:AnswerYes, Using a touch-tone phone, you can call your phone number from outside and access the unit to listen to messages or change answering system settings. The unit’s voice guidance prompts you to press certain dial keys to perform different operations.
A:AnswerVoice over Internet Protocol (VoIP), also called IP telephony, is a method and group of technologies for the delivery of voice communications and multimedia sessions over Internet Protocol (IP) networks, such as the Internet.
A:AnswerThank you for asking us. You can use this Phone System with VOIP phone service. You need to connect the base unit to VOIP providers' terminal adapter (RJ11C) using phone cable.
A:AnswerPlease see the options fore conference calls below:
http://help.panasonic.ca/viewing/ALL/KX-TGF773/OI/TGF773_PNQX8881ZA/TGF773_PNQX8881ZA.pdf#page=27