Yealink W52P is a SIP Cordless Phone System designed for small business and SoHo who are looking for immediate cost saving but scalable SIP-based mobile communications system. Combining the benefits of wireless communication with rich business features of Voice over IP telephony, User can benefit from freedom of movement, lifelike voice communications, multi-tasking convenience, professional features like intercom, transfer, call forward, 3-way conferencing, PoE etc. This system works with widely-known Broadsoft, Asterisk, 3CX and supports quick and easy configuration. • Up to 4 simultaneous calls • Up to 5 handsets, Up to 5 VoIP accounts • 11 hours talk time, 120 hours standby time • Handset select for receiving call • Handset and Number select for making call • Paging, Intercom, Auto answer • Call hold, Call transfer • Switching between calls • 3-way conferencing • Call waiting, Mute, DND • Caller ID display, Redial • Anonymous call, Anonymous call rejection • Call forward (Always/Busy/No Answer) • Speed dial, Voicemail, Silence • Message Waiting Indication (MWI) • Local Phonebook for up to 500 entries (store in the base) • Remote Phonebook • Phonebook search / import / export • Call history (Outgoing/Missed/Accepted) • Direct IP call without SIP proxy • Reset to factory, Reboot • Keypad lock, Emergency call • Dial Plan, Music on hold