GRP261x/GRP262x/GRP263x/GRP2670/GRP2650 Series – User Guide
WELCOME Thank you for purchasing Grandstream GRP261X/GRP2624/GRP2634/GRP2650 & GRP2670 Carrier-Grade IP Phones. GRP2612/GRP2612P/GRP2612W/GRP2612G is featuring 4 dual-color line keys (can...