2.4GHz Frequency. Digital Spread Spectrum Technology. Add up to 7 VT20-2420 Handsets to make a total of 8. 2 Phone Lines. Dual Display. Call Waiting and Caller ID (Requires subscription to phone company fee based services). Digital Answering System. Answering System available from Handset. Speakerphones in both Base and Handset. Keypad on base. 50 Name and Number Phone Directory. Analog and Digital Clock Display. Battery Included. Backlit Keypad and Display. Base to Handset Page. Call Transfer. Conference Call Capability. Data Port on Base. Intercom. Handset Jack (2.5mm). Hold. Mute. Programmable Ringer Types. Smart Dialing from Caller ID. Spare Battery Charger with Power Backup.
