offers a QUALITY and low-cost phone service including,Free calls,to landline and mobiles,Pc-PC,PC-Phone,Phone-Phone calls,SMSs worldwide,Email to SMS,Fax to Email,Email to fax,webfax,voicemail,Caller ID,follow-me,Video Conference calls with Ch
This is a Voice over Internet Protocol (VoIP) and streaming media service based on the Session Initiation Protocol (SIP) by which Internet telephony service providers (ITSPs) deliver telephone services and unified communications to customers equipped with SIP-based private branch exchange (IP-PBX) and Unified Communications facilities