ViSYS two-line phone works great alone or build your own system. Wirelessly connects multiple Motorola two-line cordless or corded/cordless phones to create a system of up to ten devicesno additional phone jacks required. Features duplex speakerphone with DECT 6.0 technology. Call waiting/caller ID, 99 name/number caller ID directory, ten one-touch speed dial buttons. Do Not Disturb with variable length settings. Call conferencing with call timer and call transfer. Desk or wall mountable. Base model plus cordless accessory handset. Answering System: Digital; Lines: 2; Telephone Type: Corded; Cordless; Caller ID/Type: Base; Handset.