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Reviews around grandstream (3.22 of 5)
Grandstream GS-GXP2170 VoIP Phone & Device
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Great job Grandstream.
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(my testing has yielded about a 200ms gap in the speed of processing the voice packets from different phones and manufacturers).This Grandstream feels like a quality product, the screen is bright and brilliant, the pages of BLF keys is a perfect fit.
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Yealink has some decent phones, but their flagships like the T48g have major latency on their audio.
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