Phần mềm được đề nghị Cho Windows
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Grandstream GXV3175 IP Phone Firmware 14 Mar 16
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Grandstream GXP2140 IP Phone Firmware 14 Mar 16
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Grandstream UCM6510 IP PBX Firmware 13 Mar 16
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Grandstream GXP2124 IP Phone Firmware 20 Dec 15