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Connecting the gxv3140 ip multimedia phone, Making the first call with ipvideotalk service – Grandstream GXV3140 User Manual User Manual

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Connecting the gxv3140 ip multimedia phone, Making the first call with ipvideotalk service | Grandstream GXV3140 User Manual User Manual | Page 17 / 151 Connecting the gxv3140 ip multimedia phone, Making the first call with ipvideotalk service | Grandstream GXV3140 User Manual User Manual | Page 17 / 151