This high quality modified phone features Caller ID/Call Waiting, 30 dB of clean, clear boosted volume with volume control, a powerful loop transmitter in the handset for T-coil compatibility, and an external jack on the back of the handset for use with neckloop, cochlear implant cable, or external speaker. This is a good choice for ease-of-use and when caller ID is part of the users phone service. Includes: alphanum CID/call waiting 99 name/number ID memory 50 name phone book 30 channel operation any key answer programmable ringer power saving circuit