Cordless DECT IP Multi-Cell System
The Yealink W90 DECT IP Multi-Cell System, consisting of two elements - a base station W90B and a DECT Manager W90DM, is designed to provide the organizations who require wireless coverage with the full ease of deployment. This DECT multi-cell system intends to create an extremely scalable and reliable solution for the organizations of any size and any shape. The system supports up to 250 handsets and 250 simultaneous calls, which ensures one call in each handset, and allows you to get rid of the limited wireless signal coverage of only one base station. Meanwhile, the system can work with Yealink W53H, W56H, W59R, CP930W, and DD Phone with seamless roaming and handover of the calls, making freely mobile communication in and between each zone achievable. Both W90B and W90DM join the modern, compact design with Yealink HD voice quality, which is wrapped with the full-duplex technology Opus, that setting free your ears and giving you an elaborate audio experience.

Seamless Stability
The Yealink W90 DECT IP Multi-Cell System brings seamless stability. The rotatable external antennas ensure further signal range, industry-leading coverage, and flexible steering for complex areas, which truly saves amount and cost of bases in deployment with industry-leading coverage. Moreover, the Lan Sync guarantees stable roaming even in poor signal transmission environment or strong signal interference like warehouses with overcrowded cargos or several iron gates.

Easy Deployment
The Yealink W90 DECT IP Multi-Cell System provides easier and faster setup for users: the DECT Deployment Toolkit for quick base location, IP discovery tool for quickly getting IP of DM, and auto sync level for self-organizing network without manual operation. Instead of complex steps, it takes less time from deployment to daily management for large system.

Wide Coverage
Available for 1DM, 60 bases, 250 handsets and 250 parallel calls, the Yealink W90 DECT IP Multi-Cell System is tailored for large space and multi-locations & bases, delivering unified communicating solution especially for warehouses, hospitals, hotels, supermarkets chains, cruises, authorized car dealerships, offices, retail formats, etc. Virtual machines and more bases will be supported in the future, boarding the coverage once more.

Full Scenarios
The Yealink W90 DECT IP Multi-Cell System supports various devices: W53H, W56H, W59R, CP930W, DD Phone, which definitely matches different employee roles and full scenes communicating demand from mobile, desk to conference with flexible scalability.

Multiple Phone Books
The Yealink W90 DECT IP Multi-Cell System offers easy access to multiple phone books, including Local Directory, Remote Phonebook, LDAP, and XML Phonebook. Additionally, it is broadly compatible with PBX contacts.

• Support Air and LAN synchronization
• Seamless handover and roaming
• Up to 60 base stations
• Up to 250 handsets
• Up to 250 SIP accounts
• Up to 250 parallel calls
• Support XML/LDAP/Remote Phonebook
• Support XSI Directory/XSI Call Log
• External antenna, DECT radio coverage upto 50m indoors and 300m outdoors
• DECT technology:
• Yealink DECT technology is based on CAT-iq2.0, which focuses on high-quality AudioVoIP (wideband), and low-bitrate data ap-plications. But we are not compatible withany third-party DECT devices (base station,handset, etc.)
• Support Opus
• Support SRTP / SIPS / TLS, LDAP(s) andHTTPS
• Support PoE
• Compatible with Yealink W59R/W56H/W53H, CP930W and DD Phone