Cortelco 8015 Cordless Phone DECT 6 Technology Caller ID/Call Waiting Message Waiting Backlit LCD Screen and Keypad 128 x 64 Dot Matrix LCD Display Phonebook with up to 50 Enteries Redial Book with up to 10 Outgoing Calls - 10 Ring Tones Speakerphone Ringer Volume Selectable -5 Levels Plus Off-- Key Tone On/Off Selectable Mute - Flash and Pause Tone/Pulse Headset Jack Belt Clip Part Number: 801501-TP2-27F -Interoperability- Cortelco 8015 Cordless Phone Have DECT 6 - 128 x 64 Dot Matrix LCD Display - Belt Clip and Phonebook with up to 50 Enteries -Documents- Cordless Phone 8015 Cortelco 8015 Cordless Phone Instruction Manual