TelecomFM OneStream GFX is a universal system that can connect to an installed PBX as a call router from an existing corporate network to PSTN, VoIP and GSM, or as a stand-alone unit that replaces PBX.
dial one telecom Inc.
Provider of SIP IP telecommunications with DID numbers available globally. Inexpensive long distance calling. Reseller of Grandstream IP telephones.
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