SIP is the latest technology allowing voice call to be made over the internet. VoiceFlex uses SIP to provide low cost, ISDN replacement lines that provides the best possible call quality, inexpensively, sometimes at no cost, with the flexibility that come
SIP is the latest technology allowing voice call to be made over the internet. VoiceFlex uses SIP to provide low cost, ISDN replacement lines that provides the best possible call quality, inexpensively, sometimes at no cost, with the flexibility that comes from using the internet.
Vvtel is a world leader in Internet Telephony services, registered in the UK. We offer the most powerful solutions including inexpensive alternatives to traditional telephone service around the world. Our clients range from
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