Dual mode FSK/DTMF auto detection function Groups of incoming and outgoing call number storage, Search and call back function Preset local code or PABX code function Preset and amend number in hook on status Date, week and time display function Flash and Redial function With calculator function Incoming call indication light Brand: Yasuda Model No: YS181CID Dual mode FSK/DTMF auto detection function Groups of incoming and outgoing call number storage, Search and call back function Preset local code or PABX code function Preset and amend number in hook on status Date, week and time display function Flash and Redial function With calculator function Incoming call indication light Brand Yasuda SKU YA105EL1KSGB4NAFAMZ-98574 Model YS181CID