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GrandStream IP PBX UCM6202

Features UCM6202 and UCM6204 support up to 500 users and 50/75 concurrent calls, UCM6208 supports up to 800 users and

Grandstream UCM6308 IP PBX

Spesifikasi Built-in 8 FXO ports (PSTN Line) and 8 FXS ports (Analog Device) 8 Video Conference Rooms and up to