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Home | About Us | Sign Up | Account | Rates | Contact | Support | Privacy & Security Policies grnVoIP: Retail quality VoIP termination at wholesale rates. What makes grnVoIP the best VoIP termination? The best VoIP providers: AT&T, BT, Commwave, Deutsch Telecom, France Telecom, Global Crossing, iBasis, IDT, KPN, Level 3, PacWest, Qwest, Telecom Italia, Tata, Teleglobe, VNSL, Verizon, XO. The best SIP compatibility: Asterisk, AudioCodes, Avaya, Brekeke, Cisco, Counterpath, D-Link, Dialexia, Epygi, Grandstream, Jive, Linksys, Mediatrix, Microsoft Response Point, Pingtel, Quintum, SIPX, SIPXECS Solegy, Sphere, Trixbox, Vegastream, Verso. The best open source VoIP software: Asterisk, OpenSBC, Kamailio, Freeswitch, JAIN, Vocal, Ekiga, SIPP, OpenSIPStack, OpenSIPS, Net-SIP, sipd, SIPX |



