
Handset is designed for use with Panasonic DECT 6.0 Two-Line Expandable Phone System (KX-TG9392T). Handset offers Caller ID, two phone lines, a 1.9GHz frequency, backlit keypad, three-line LCD, three-step talk volume, six-step speakerphone volume, headset jack, 10-number redial memory, intercom, three-way conference calls, and 100-name/number memory. Night mode allows you to program the handset to ring or remain silent for specified time period without affecting other handsets. Battery life lasts 12 hours of talking and six days in standby mode.
Q: Work with older phone system
A: The KX-TGA939T is a 2 line expansion handset, it is not a compatible handset. The only compatible handset models are the: KX-TGA931T, and the KX-TGA935B. Thank you for your question Al.
Q: does KX-TGA660B work with KX-TG7644M
A: Yes. The KX-TGA660B is a compatible handset model for the KX-TG7644M.
Q: What kind of battery does it use? How much is it? And where can I find it?
A: The handset model, KX-TGA939T uses rechargeable Ni- MH batteries AAA (R03) size. The part number for the Panasonic battery is HHR-4DPA and it is available here.
Q: i cannot turn off the "Mute" function on the base station and one of the cordless phones.
A: undefined
A: Yes, I have used it for years