The ESI Digital Cordless Handset uses proven, reliable 900 MHz technology to provide mobility to the user who’s constantly on the move in the office.
The ESI Local IP Cordless Phone provides local IP telephony (i.e., LAN-only). The base station gives you the choice of Power over Ethernet or regular AC power, to maximize your connection convenience. Uses G.711 voice compression.
The ESI Remote IP Cordless Phone works from a broadband-equipped remote location (such as your home or a small satellite office) just as if it were on the regular phone system at your main office. Uses G.729 voice compression.