SIP protocol was made within IETF (Internet Engineering Task Force) – organization occupied with establishing Internet standards and general standards concerning TCP/IP protocols.
Upbeat Marketing Limited
Upbeatbiz is a Hong Kong based Telecommunication Company. It offers a totally interactive market place for trading VoIP minutes, where the buyers can have their say by exacting sellers to offer at best prices.Through its Peering Solutions platform Upbeatb
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