The Panasonic KX-TGP500 Cordless SIP Phone system brings together all of the modern advantages of internet HD Vo IP voice calls, combining classic business phone functionality with easy Web based administration, making it an ideal solution for branch offices. The Panasonic KX-TGP500 integrates with carrier class services making it difficult to miss important calls. It is possible to check messages while away from the office through sms. Key Features SIP & Broadsoft support HD Wideband Audio DECT radio technology (EU & North America) Easy Web configuration 2.1 Large LCD with white back light on cordless handset Programmable Ring Groups Up to 6 DECT cordless handsets Up to 8 SIP registrations (e.g. up to 8 DID lines or extensions) Wall mountable base unit Extended Features Allows 3 simultaneous voice calls 2.5mm Headset Jack Grouping Handset Handset & Number select for making calls Re-dial Do Not Disturb Anonymous Call (CLIR) Anonymous Call Rejection Calling party name & number presentation (CLIP, CNIP) Call Rejection DTMF dialling during call 3-Party Conferencing Call Transfer Call Hold Call Forward Call Waiting Distinctive Ringing Ringtone Selection