Cisco IP Phone 8841 CP-8841-K9++= GeoVision Operation Temperature: -10℃ ~ +50℃

Operation Temperature: -10℃ ~ +50℃ RH95% Max

After home installation

It is available with the OME-EX-RX receiver as the OME-EX-WP-KIT

IGMP Plus is default on VLAN 1 out of the box and can be configured on another VLAN for automatic IGMP across M4500 and M4300 switches on that VLAN

multimode fibre

Cisco IP Phone 8841 CP-8841-K9++= GeoVision Operation Temperature: -10℃ ~ +50℃Work remotely and stay in touch with co workers and clients with the IP Phone 8841 from Cisco. This IP phone features Cisco Expressway to give users outside of your firewall or VPN secure access to collaboration workloads, including video, voice, content, and IM. Manage multiple calls with support for up to 5 lines along with both single and multiple call per line appearance. The 8841 also features a 5" 24 bit color display with an 800 x 480