The Callbox IP 540 is an innovative Business Class-level Color IP Phone that features 4 Line keys, The IP540 has a 3.5” TFT-LCD with 480*320 pixel. It supports up to 5-way conference. IP540 is optimized for general office to help reduce eye strain.
Line keys could be also configured as IP PBX features like BLF, SCA, Intercom, Call Pickup, Call Park and many other features.
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