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

URL: https://www.promark.tr/en/products/wl4-plus
Category: Endpoints
Family: [OpenScape WLAN Phone WL4 — Wi-Fi SIP Phone & WSG](https://www.promark.tr/en/products/openscape-wl4)

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.

## Key features

- All WL4 WLAN/SIP capabilities (802.11 a/b/g/n/ac, SRTP/TLS, IP44).
- Built-in messaging: 160 characters, 30-message store.
- Alarm package: push button, man-down, no-movement, location.
- Acoustic location signal and automatic post-alarm call.
- OpenScape Alarm Response (OScAR) integration.
- Promark: alarm scenario design, WSG/OScAR integration, field testing.

## Specifications

- **Type:** WLAN SIP handset + alarms — NOT DECT
- **Messaging:** Built-in — 160 characters, 30 messages
- **Alarms:** Push button, man-down, no-movement, location
- **Alarm action:** Acoustic signal + auto call
- **Integration:** OpenScape Alarm Response (OScAR), WSG
- **Network:** IEEE 802.11 a/b/g/n/ac
- **Protection:** IP44
- **Mitel PN:** 50009170
- **Unify L No:** L30250-F600-C328

## Use cases

- Lone-worker safety — warehouses, technical floors, night shifts.
- Nurse/technician alarms and messaging in hospitals.

## For a quote and BOM

https://www.promark.tr/en/contact · +90 312 544 09 15 · destek@promark.tr