The Yealink W90 DECT IP Multi-Cell system consists of the DECT Manager W90DM and the W90B base. This system offers seamless handover and top-of-the-line roaming solutions for extensive applications in warehouses, hospitals, hotels, supermarket chains, cruises, authorized car service shops, offices, and retail formats.

Phone features:

• Synchronization via DECT and LAN (Seamless handover and roaming)
• Up to 60 bases per multi-cell system
• Up to 250 handsets
• Up to 250 VoIP accounts
• Up to 250 concurrent calls
• Up to 8 WB (4 active handsets) calls per base
• Up to 8 NB calls per base
• Up to 2 concurrent calls per handset
• Green hold, call transfer, three-way conferencing
• Switch between calls
• Call waiting, mute, silence, DND
• Caller ID with name and number
• Anonymous call, anonymous call rejection
• Call forwarding (always/busy/no answer)
• Speed dial, voicemail, redial
• Message Waiting Indicator (MWI)
• Music on hold (server-based)
• Local phonebook for up to 100 entries per handset
• Remote phonebook/LDAP/XML
• Phonebook search/import/export
• Call history (all/missed/placed/received)
• Reset to factory settings, reboot
• Keypad lock, emergency call
• Broadsoft directory, BroadSoft call logs
• Broadworks feature key synchronization
• Shared Call Appearance (SCA)
• XML browser
• IPUI registration
• User access level

Management:

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

Audio features:

• Full-duplex speakerphone
• Hearing Aid Compatibility (HAC)
• DTMF
• Wideband codec: Opus, AMR-WB (optional), G.722
• Narrowband codec: AMR-NB (optional), PCMU, PCMA, G.726, G.729, iLBC
• VAD, CNG, AGC, PLC, AJB

Network features:

• SIP v1 (RFC2543), v2 (RFC3261)
• SNTP/NTP
• VLAN (802.1Q and 802.1P)
• 802.1x, LLDP
• STUN Client (NAT Traversal)
• UDP/TCP/TLS
• IP address: static/DHCP
• Outbound proxy server backup support

Security:

• Open VPN
• Transport Layer Security (TLS1.0/TLS1.1/TLS1.2)
• HTTPS (server/client)
• SRTP
• Digest authentication
• Secure configuration file via AES encryption
• SHA256/SHA512/SHA384 support

Physical features:

• Indoor range: 30m~50m (ideal distance is 50m)
• Outdoor range: 300m (under ideal conditions)
• Wall mountable
• Three LED indicators on W90DM/W90B: 1 x LAN (Network Status & Capability Indicator), 1 x Role LED, 1 x DECT LED
• Yealink external power adapter: AC 100-240V input and DC 5V/1.2A output
• Color: Pearl White
• Dimensions: 134mm x 100mm x 28mm
• Operating humidity: 10~95%
• Operating temperature: 0~+40°C (+32~104°F)

Package contents:

• W90DM/W90B
• Expansion screws
• Quick Start Guide
• Power adapter (optional)
• QTY/CNT: 10 PCS
• Giftbox size: 158 mm x 203 mm x 63 mm
• Carton size: 420 mm x 338 mm x 167 mm
• Net weight: 2.8kg
• Gross weight: 3.4kg