Product Details HAB10G Panasonic Multi-Phones Panasonic Multi Handset Phone System. Four handset DECT 6.0 Plus technology, 50 number memory Caller ID, 30-station call block, silent mode, white backlit LCD, digital answering system, ringer ID, 4-way conference call capability, handset to handset intercom, call sharing, bilingual menu English/Spanish, and charge alert