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OpenScape WLAN Phone WL4 — Wi-Fi SIP Phone & WSG

WL4 is not DECT — it is an enterprise wireless IP phone operating via SIP over Wi-Fi access points. Connects to 802.11 a/b/g/n/ac WLAN infrastructure, registers to PBX via SIP. WL4 Plus: man-down + no-movement alarm. WSG (Wireless Service Gateway) server provides centralized management, messaging and OScAR integration. For healthcare, retail, manufacturing and campus use.

Mitel

Scope / deliverables

  • WL4 vs DECT difference: WL4 operates over existing WLAN (Wi-Fi) infrastructure — no separate DECT base station needed; registers directly to PBX via SIP; DECT handsets connect via BSIP2 base station, WL4 connects via access point
  • IEEE 802.11 a/b/g/n/ac support (2.4GHz and 5GHz), WLAN security: WPA2-PSK, PEAP-MSCHAPv2, EAP-TLS, AES-CCMP (802.11i/w), fast roaming: 802.11r/k, PMKSA caching, CCKM; IP44 enclosure
  • Protocols: SIP/RTP, SRTP/TLS (encrypted voice), TCP/IP, DHCP, DNS, SNMP; voice codecs: Opus Wideband, G.711 A/μ-law, G.729, G.722; 4 network profiles (auto/manual selection)
  • Physical: 137×52×21mm, 135g, TFT 240×320 pixel 2" display, Li-polymer 3.7V 920mAh, 3.5mm headset, HAC compliant, vibration alarm; operating -5°C~+45°C
  • WL4 — basic VoWLAN: 250 local / 1,000 company phonebook / LDAP access, 25 call list; with messaging license: max 160 chars, 30 message capacity
  • WL4 Plus — additional features: man-down alarm, no-movement alarm, push-button alarm — automatic call after alarm, acoustic location signal; full OScAR alarm server integration
  • Tested platforms: OpenScape Business V3+, OpenScape 4000 V8+, OpenScape Voice V9+ — SIP connection
  • WSG Server: 44×220×199mm, 1× LAN, 1× mini-USB, wall or 19" rack mount, 100-240VAC; central WL4 phonebook (1,000 entries), OTA config+update, OScAR alarm handling, LDAP integration; 0°C~+40°C, IP30
  • Applications: healthcare (nurse/doctor calls, man-down — WL4 Plus), retail (store coordination), logistics/manufacturing (in-plant VoWLAN), office campus (leverage existing Wi-Fi investment)
  • Promark: WLAN coverage analysis, WSG installation+configuration, SIP/PBX integration, OScAR alarm connection, charging equipment supply

Tags

WL4WL4 PlusVoWLANWi-FiSIP802.11WSGMan-DownSRTPIP44OScARHealthcareHealthcare

Products in This Family

OpenScape WLAN Phone WL4 Plus — Wi-Fi SIP Handset with Alarms

The safety-critical variant of WL4: built-in messaging (160 characters, 30-message store) and an alarm package — push button, man-down, no-movement, location and automatic post-alarm call. Lone-worker safety with OpenScape Alarm Response (OScAR) integration.

Details
OpenScape WLAN Phone WL4 — Wi-Fi SIP Handset

OpenScape WLAN Phone WL4 — Wi-Fi SIP Handset

Not DECT — an enterprise wireless handset running SIP over the existing WLAN (Wi-Fi) infrastructure. 802.11 a/b/g/n/ac (2.4 + 5 GHz), IP44 housing, SRTP/TLS encrypted voice. No separate base station; registers to the PBX through access points. Messaging via optional licence.

Details
WSG Server — WL4 Wireless Service Gateway

WSG Server — WL4 Wireless Service Gateway

Central device management, messaging and alarm appliance (Wireless Service Gateway) for the WL4/WL4 Plus fleet. Central distribution of device configurations, messaging services and OScAR alarm chain integration from a single point.

Details