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Originally Posted by affinity
What exactly is requried for a VSP for their product to work with voxalot?
I have a few VSPs setup fine, but Exetel is one that doesn't work.
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In order to work with Voxalot, a provider has to meet all these conditions:
1) The provider has to be standards (SIP) complient. Which means that services that don't meet these standards (including the very common "Skype") won't work!
2) If you need to "login" to use the service (vs anyone can call that proxy), then you to have the login info from your provider. Which means that services that only use their own "locked down adapters" won't work.
3) The provider has to either allow anyone in, OR (more common) they have to allow "authenticated INVITES" (accept your login credentials at the time the call made). A minority of providers require you to specify your login info when you "register" (before the call is made), and at the present time they will NOT work with Voxalot. For example, the inability to accept "authenticated INVITES" is currently why VBuzzer isn't working, even though VBuzzer supports all the other requirements.
4) And finally, the provider always has the option to specifically disallow Voxalot. While I'm not aware of any provider that has taken this step, it wouldn't be that hard for a provider to identify calls coming from Voxalot, and simply make then "not work" on their end. So if the provider really doesn't want you to use them with Voxalot (for whatever reason they choose), they can simple prevent their system from accepting calls via Voxalot.
NOTE:
There are probably a few other situations where a provider (that meets the above 4-part test) still wouldn't work with Voxalot. But I suspect the above conditions are the most common reasons why a provider doesn't work.