The address of the event server target.

The network server port of the event server target.

The name of the event the application wants to subscribe to.

The user specified event parameter string.

The event subscription handle.

This member is a string that is the name of your local phone. The local phone name is the same phone name that was specified when the media engine was instantiated.

The name of the server device offering events. If event subscriptions are successful, this telephony device will send us events of the specified name/type.

The actual SIP response code returned from the destination of the subscribe operation.

The staus code describing the nature of this data. The value can be any of the following: SipSubscriptionTrying, SipSubscriptionMemoryError, SipSubscriptionSuccess, SipSubscriptionTimeOut, or SipSubscriptionNotAccepted. For more information see VoipMediaEngine..::.TELEPHONY_RETURN_VALUE.

The number of seconds the event subscription will be active. If your application is unsubscribing from events, this value will be zero.