Product: Grandstream GS-GXP1780 Mid-Range IP Phone with 8 Lines VoIP Phone and Device, 4
Brand: Grandstream
Color: Black
8 lines, 8 dual-color line keys (with 4 SIP accounts), 4 XML programmable soft keys
32 digitally programmable & customizable BLF/fast dial keys
HD wideband audio, full duplex speakerphone with advanced acoustic echo cancellation
5-Way audio Conferencing for easy conference calls
Built-in USB port for importing and exporting data only

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