What is softswitch? - Definition from Whatis.com

Softswitch (software switch) is a generic term for any open application program interface (API) software used to bridge a public switched telephone network (PSTN) and Voice over Internet Protocol (VOiP) by separating the call control functions of a phone call from the media gateway (transport layer).

Contributor(s): Ranjana Moroli
This was last updated in September 2000

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