Internet Telephony Services Providers' Association

The Internet Telephony Service Providers Association (ITSPA) is a British body representing providers of Internet Telephony services (VoIP). == History == Officially launched in December 2004, its existing founder members are Gradwell Dotcom Ltd, Magrathea Telecommunications Limited, Telappliant, Timico Ltd, Voicenet Solutions Ltd, Voipfone and XConnect and corporate members such as BT and Gamma.