Panasonic KX-TGP550

Multiple Handset: 6,Multiple registration support: 8,Simultaneous voice calls: 3,2.5mm Headset Jack: Yes*2 (*2 KX-TGP550 : on base unit and on cordless handset.),Grouping Handset : Handset select for receiving call: Yes,Handset and Number select for making call: Yes.Redial: Yes,Do Not Disturb: Yes.Anonymous Call (CLIR): Yes,Anonymous Call Rejection: Yes,Busy Lamp Field (BLF) for handsets: No.Calling party name and munber presentation (CLIP, CNIP): Yes,Call Rejection: Yes,DTMF dialing during call: Yes,3-Party Conferencing: Yes