Procedures3-32 ATP-CNX-040-01 Rel. 1.3, Doc. Rev. 01.07CNX System Administrator GuideVoice over IP configurationUse the following procedure to configure the voice over IP specifications for yourAastra CNX.Step Action1 While logged into the Aastra CNX, click the Configure CNX tab.Voice over IP/SIP2 Under the Voice over IP object, click “SIP”.Result: The SIP attributes display.Note: SIP service and Registration is disabled by default. To enable Registration, you must enableSIP service first.