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The Answer method the specified offering call. After the call has been successfully answered, the calls state typically transists to the connected state. Some telephony environments need to Accept a call prior to the call can be answered. Declarationprocedure Answer(UserUserInfo: String = ''); RemarksUsing this method causes the TAPI lineAnswer function to be called. This function works in an asynchronous manner. See the chapter "The Synchronous / Asynchronous Model" and the ThbTapiLine.Options.SyncMode property to read more about the handling of asynchronous functions. ErrorsUsing this method may cause an EhbTapiError exception . Possible errors are: LINEERR_INUSE, LINEERR_OPERATIONUNAVAIL, LINEERR_INVALCALLHANDLE, LINEERR_OPERATIONFAILED, LINEERR_INVALCALLSTATE, LINEERR_RESOURCEUNAVAIL, LINEERR_INVALPOINTER, LINEERR_UNINITIALIZED, LINEERR_NOMEM, LINEERR_USERUSERINFOTOOBIG, LINEERR_NOTOWNER. See AlsoThbTapiLine.OnCallState |