Up to 8 simultaneous calls
Up to 8 handsets, Up to 8 VoIP accounts
Up to 2 simultaneous calls per handset
Up to 5 repeaters per base station
Handset selection for receiving call
Handset and number selection for placing call
Paging, intercom, auto answer, dial plan
Call hold, call transfer, 3-way conference
Switching between calls
Call waiting, mute, silence, DND
Caller ID with name and number
Anonymous call, Anonymous call rejection
Call forward (always/busy/no answer)
Speed dial, voicemail, redial

Indoor Range: 20m~50m (The ideal distance is 50m)
Outdoor Range: 300m (In ideal conditions)
Standby Time: 400h (In ideal conditions)
Talk Time: 30h
2 4’’ 240×320 pixels color display
Desktop or wall mountable
LCD backlit, key backlit
Energy-saving ECO mode/ECO Mode+
12 key numerical keypad, 5 navigation keys
2 softkeys, 6 function keys, 6 shortcut keys
Three LED indicators on W60B:

Full-duplex speakerphone
Hearing Aid Compatibility (HAC) compliant
Receiver volume control: 5 steps
Ringer volume control: 5 steps+off
Multiple advisory tones
Acoustic warning for low battery status
DTMF
Wideband codec: G.722
Narrowband codec: G.711µ/A, G.723, G.726, G.729
VAD, CNG, AEC, PLC, AJB
Support VQ-RTCPXR (RFC6035)

SIP v1 (RFC2543), v2 (RFC3261)
SNTP/NTP
VLAN (802.1Q and 802.1P)
802.1x, LLDP, PPPoE
STUN Client (NAT Traversal)
UDP, TCP
IP assignment: static/DHCP
Support outbound proxy server backup
Open VPN
Transport Layer Security (TLS)

Auto-provision via FTP/TFTP/HTTP/HTTPS
Auto-provision with PnP
Handset upgrade: OTA (Over-The-Air)
Configuration:browser/phone/auto-provision
Trace package and system log export