[Home](./index.md) > [sip.js](./sip.js.md) > [Session](./sip.js.session.md) > [sessionDescriptionHandlerFactory](./sip.js.session.sessiondescriptionhandlerfactory.md) ## Session.sessionDescriptionHandlerFactory property Session description handler factory. Signature: ```typescript readonly sessionDescriptionHandlerFactory: SessionDescriptionHandlerFactory; ```