Body Color: Silver / Black Caller ID: Yes Speakerphone: Yes Additional Features: Expand DECT 2000, 2100, 3000 and 2900 series phone systems up to 6 handsets per base 30-name and number call waiting/caller ID (activation required) Digital answering machine with microchip technology ensures clearer recordings 70-number advanced phonebook memory with personalized ringers 4-way conferencing, intercom and call transfer between handsets 20-number call blocking and do not disturb function Voice mail waiting light on handset Handset speakerphone Last 10-number redial 7-day standby WiFi friendly Expandable up to 6-handsets to 1 base Copy phonebook from handsets Tri-lingual language support - English, Spanish, French Phone Directory Capacity: 70 Caller ID Memory: 30