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.
we are a VOIP service provider for last 6 years ,providing pinless,callback,wholesale terminations, call center terminations,DID provider,ITFS,TFN and others. add me on skype:basskype2011.
msn(hotmail),yahoo:bas_tomar