UIFN

AcronymDefinition
UIFNUniversal International Freephone Number (ITU)
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 Global Telecom Testing provides in-country live telephone number testing for the following; Voip, audio conferencing, video conferencing, teleconferencing, DTMF, IVR, DID, ITFS, UIFN, Live Co-Op, and Live Call Traps.
The calls are routed through technologies such as PSTN (Public Switched Telephone Network), Shared Cost and UIFN (Universal International Freephone Number) that ensure efficient call processing with a fast start-up.