Grandstream GR-GRP26124 Lines, 2 SIP Accounts, 2. 4 in scrn, Colour The GRP2612 offers a modern look and an array of cutting edge features such as Wi Fi connectivity on the GRP2612W and PoE on the GRP2612P GRP2612W GRP2612G. It features 16 virtual multi purpose keys (VPKs), a colorful LCD display with switchable face plates, and enterprise class security features like secure boot, dual firmware images, and encrypted data storage. Moreover, GRP2612 is compatible with