[GSUCM6301] GRANDSTREAM IP PBX 1FXS 1 FXO 1 USB 3.0
[GSUCM6304] GRANDSTREAM IP PBX 4 FXS 4 FXO 1 USB 3.0

GRANDSTREAM IP PBX 2 FXS 2 FXO 1 USB 2.0 1 USB 3.0

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1 year LH warranty, 1 year with manufacturer

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UCM63xx_Datasheet.pdf
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