The CooVox-U100 IP Phone PBX system comes in flexible modular design with separate modules to support SIP trunks, analog PSTN trunks (FXO Module), analog stations (FXS Module), mobile GSM trunks (GSM Module), as well as digital trunks (PRI/BRI Module)with provision for 500 extension and up to 80 concurrent calls. the...
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