|Maintenance Notice - PDF Generation|
|Dynamic PDF generation for web-based content is temporarily unavailable. This maintenance affects dynamic PDF files that are generated from either the HTML-based page or manual that you are viewing. Links that normally allow this functionality have been hidden, and will reappear as soon as the feature is restored.
Cancels the application's registration to send feature requests and receive events regarding the telephony object specified by the parameter dn.
|server||Local server handle to the T-Server in question.|
|dn||Directory number that specifies the telephony object in question.|
|ctrmode||Control mode specifying whether the fact of registration canceling is to be relayed to the switch. Refer to the type TControlMode. Specifying this parameter makes sense only if the CTI link protocol of the switch in question supports the telephony object registration request.|
|extensions||A pointer to an additional data structure.|
Standard (See standard-return-values.)