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GrandStream GS-UCM6104 UCM6104 innovative IP PBX appliance Supports up to 500 SIP endpoint registrations, up to 60 concurrent calls (up to 40 SRTP encrypted concurrent calls) and up to 32 conference attendees Integrated 4 PSTN trunk FXO ports, 2 analog telephone FXS ports with lifeline capability in case of power outage, and up to 50 SIP trunk accounts Call :01733779070 |