Garth van Sittert wrote:

Hi All

Can anyone recommend a good UK VoIP provider? Preferably someone in London.


I did some basic research in terms of rate and quality.

Company
        Rate to USA in $
        TDM
        Country
        Have real sip proxy
        Latency Averaged
        
        SIP Gateway
        Codecs
        URL
        Notes
Dualtalk
        .03
        yes
        UK
        ?
        50ms
        
        sip.dualtalk.com        g729a
        http://dualtalk.com/sipuraconfig.htx
        
Callunion
        .024
        unknown
        UK
        no
        67ms
        
        sip.callunion.com
        
        http://www.callunion.com
        Nice , but simple control panel with call forwarding.
Widevoip
        .03
        yes
        France
        no/stun
        47ms
        
        sip.widevoip.com
        g729a,GSM,g711u
        www.widevoip.com
Due to an error in information my test account was closed and then reopened... Still need to request changed password for testing.
Gradwell***
        .03
        yes
        UK
        yes
        98ms
        
        sip.gradwell.com
        g729a,GSM,g711u
        www.gradwell.com
        Past experience is tied to Calluk. Good and knowledgeable support.


*** I have worked with both the CallUK (aka Gossiptel, aka many other names) and one of their partners Gradwell.com . (owned by Peter Gradwell.) Some* call Calluk tech people were brilliant, but the overall experience was that of incompetence. The Gradwell folks while loosely associated with Calluk were always intelligent and helpful.

Widevoip in terms of performance and quality was the clear winner, but I have not used them for more than the most basic testing. (See notes)

This is all on the consumer side of things. Please feel free to let me know about any further findings you have.

Cheers,

C.

ps. If any of this information is in error feel free to correct me. I have tried my best to make it accurate and I'm not associated with any of these companies.
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