TAPI_E_ Constants

TAPI methods and functions may return a TAPI_E_ constant. These constants indicate the outcome of an API call.

The 32 bit values are laid out as follows:

3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1
1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
---+-+-+-----------------------+-------------------------------+
Sev|C|R|     Facility          |               Code            |
---+-+-+-----------------------+-------------------------------+

TAPI_E_NOTENOUGHMEMORY

The buffer passed in to this method was not big enough.
((HRESULT)0x80040001L)

TAPI_E_NOITEMS

No items exist that match the request.
((HRESULT)0x80040002L)

TAPI_E_NOTSUPPORTED

This method is not supported.
((HRESULT)0x80040003L)

TAPI_E_INVALIDMEDIATYPE

An invalid media type was passed in.
((HRESULT)0x80040004L)

TAPI_E_OPERATIONFAILED

The operation failed for an unspecified reason.
((HRESULT)0x80040005L)

TAPI_E_ALLOCATED

The device is already in use.

((HRESULT)0x80040006L)
TAPI_E_CALLUNAVAIL

No call appearance is available.
((HRESULT)0x80040007L)

TAPI_E_COMPLETIONOVERRUN

Too many call completions are outstanding.
((HRESULT)0x80040008L)

TAPI_E_CONFERENCEFULL

The conference is full and more members cannot be added.
((HRESULT)0x80040009L)

TAPI_E_DIALMODIFIERNOTSUPPORTED

The dial modifier is not supported.
((HRESULT)0x8004000AL)

TAPI_E_INUSE

The device is already in use.
((HRESULT)0x8004000BL)

TAPI_E_INVALADDRESS

The address is invalid or not properly formatted. For example, if address type is LINEADDRESSTYPE_PHONENUMBER, this error code would mean that the data entered did not appear to be a real phone number.
((HRESULT)0x8004000CL)

TAPI_E_INVALADDRESSSTATE

The operation is not permitted in the current address state.
((HRESULT)0x8004000DL)

TAPI_E_INVALCALLPARAMS

The LINECALLPARAMS structure is invalid.
((HRESULT)0x8004000EL)

TAPI_E_INVALCALLPRIVILEGE

The call privilege is invalid.
((HRESULT)0x8004000FL)

TAPI_E_INVALCALLSTATE

The operation is not permitted in the current call state.
((HRESULT)0x80040010L)

TAPI_E_INVALCARD

The calling card is invalid.
((HRESULT)0x80040011L)

TAPI_E_INVALCOMPLETIONID

The call completion ID is invalid.
((HRESULT)0x80040012L)

TAPI_E_INVALCOUNTRYCODE

The country code is invalid.
((HRESULT)0x80040013L)

TAPI_E_INVALDEVICECLASS

The device class identifier is invalid.
((HRESULT)0x80040014L)

TAPI_E_INVALDIALPARAMS

The dialing parameters are invalid.
((HRESULT)0x80040015L)

TAPI_E_INVALDIGITS

The digits are invalid.
((HRESULT)0x80040016L)

TAPI_E_INVALGROUPID

The group pickup ID is invalid.
((HRESULT)0x80040017L)

TAPI_E_INVALLOCATION

The location ID is invalid.
((HRESULT)0x80040018L)

TAPI_E_INVALMESSAGEID

The message ID is invalid.
((HRESULT)0x80040019L)

TAPI_E_INVALPARKID

The park ID is invalid.
((HRESULT)0x8004001AL)

TAPI_E_INVALRATE

The rate is invalid.
((HRESULT)0x8004001BL)

TAPI_E_INVALTIMEOUT

The timeout value is invalid.
((HRESULT)0x8004001CL)

TAPI_E_INVALTONE

The tone is invalid.
((HRESULT)0x8004001DL)

TAPI_E_INVALLIST

An invalid list was passed as a parameter.
((HRESULT)0x8004001EL)

TAPI_E_INVALMODE

An invalid mode was passed as a parameter.
((HRESULT)0x8004001FL)

TAPI_E_NOCONFERENCE

The call is not part of a conference.
((HRESULT)0x80040020L)

TAPI_E_NODEVICE

The device was removed, or the device class is not recognized.
((HRESULT)0x80040021L)

TAPI_E_NOREQUEST

No Assisted Telephony requests are pending.
((HRESULT)0x80040022L)

TAPI_E_NOTOWNER

The application does not have OWNER privilege on the call.
((HRESULT)0x80040023L)

TAPI_E_NOTREGISTERED

The application is not registered to handle requests.
((HRESULT)0x80040024L)

TAPI_E_REQUESTOVERRUN

The request queue is already full.
((HRESULT)0x80040025L)

TAPI_E_TARGETNOTFOUND

The call handoff failed because the specified target was not found.
((HRESULT)0x80040026L)

TAPI_E_TARGETSELF

No higher priority target exists for the call handoff.
((HRESULT)0x80040027L)

TAPI_E_USERUSERINFOTOOBIG

The amount of user-user information exceeds the maximum permitted.
((HRESULT)0x80040028L)

TAPI_E_REINIT

The operation cannot be completed until all TAPI applications shut down and reinitialize.
((HRESULT)0x80040029L)

TAPI_E_ADDRESSBLOCKED

You are not permitted to call this number.
((HRESULT)0x8004002AL)

TAPI_E_BILLINGREJECTED

The calling card number or other billing information was rejected.
((HRESULT)0x8004002BL)

TAPI_E_INVALFEATURE

The device-specific feature is invalid.
((HRESULT)0x8004002CL)

TAPI_E_INVALBUTTONLAMPID

The button or lamp ID is invalid.
((HRESULT)0x8004002DL)

TAPI_E_INVALBUTTONSTATE

The button state is invalid.
((HRESULT)0x8004002EL)

TAPI_E_INVALDATAID

The data segment ID is invalid.
((HRESULT)0x8004002FL)

TAPI_E_INVALHOOKSWITCHDEV

The hookswitch device ID is invalid.
((HRESULT)0x80040030L)

TAPI_E_DROPPED

The call was disconnected.
((HRESULT)0x80040031L)

TAPI_E_NOREQUESTRECIPIENT

No program is available to handle the request.
((HRESULT)0x80040032L)

TAPI_E_REQUESTQUEUEFULL

The queue of call requests is full.
((HRESULT)0x80040033L)

TAPI_E_DESTBUSY

The called number is busy.
((HRESULT)0x80040034L)

TAPI_E_DESTNOANSWER

The called party does not answer.
((HRESULT)0x80040035L)

TAPI_E_DESTUNAVAIL

The called number could not be reached.
((HRESULT)0x80040036L)

TAPI_E_REQUESTFAILED

The request failed for unspecified reasons.
((HRESULT)0x80040037L)

TAPI_E_REQUESTCANCELLED

The request was cancelled.
((HRESULT)0x80040038L)

TAPI_E_INVALPRIVILEGE

The application's privilege level is invalid for the current operation.
((HRESULT)0x80040039L)

TAPI_E_INVALIDDIRECTION

The TERMINAL_DIRECTION passed in was invalid.
((HRESULT)0x8004003AL)

TAPI_E_INVALIDTERMINAL

The terminal passed in was invalid for this operation.
((HRESULT)0x8004003BL)

TAPI_E_INVALIDTERMINALCLASS

The terminal class is invalid.
((HRESULT)0x8004003CL)

TAPI_E_NODRIVER

The service provider was removed.
((HRESULT)0x8004003DL)

TAPI_E_MAXSTREAMS

The maximum number of streams was reached.
((HRESULT)0x8004003EL)

TAPI_E_NOTERMINALSELECTED

The operation could not be performed because it requires terminals to be selected.
((HRESULT)0x8004003FL)

TAPI_E_TERMINALINUSE

The operation could not be performed because the terminal is in use.
((HRESULT)0x80040040L)

TAPI_E_NOTSTOPPED

The operation could not be performed because it requires the stream to be stopped.
((HRESULT)0x80040041L)

TAPI_E_MAXTERMINALS

The maximum number of terminals has been reached.
((HRESULT)0x80040042L)

TAPI_E_INVALIDSTREAM

The stream passed in was invalid for this operation.
((HRESULT)0x80040043L)

TAPI_E_TIMEOUT

The call failed because of a timeout. The timeout interval is two minutes.
((HRESULT)0x80040044L)

TAPI_E_CALLCENTER_GROUP_REMOVED

The ACD Proxy has removed this group. Operations on this object are invalid.
((HRESULT)0x80040045L)

TAPI_E_CALLCENTER_QUEUE_REMOVED

The ACD Proxy has removed this queue. Operations on this object are invalid.
((HRESULT)0x80040046L)

TAPI_E_CALLCENTER_NO_AGENT_ID

The Agent object was created with CreateAgent and has no ID. If an ID is needed, use CreateAgentWithID.
((HRESULT)0x80040047L)

TAPI_E_CALLCENTER_INVALAGENTID

The agent ID is invalid.
((HRESULT)0x80040048L)

TAPI_E_CALLCENTER_INVALAGENTGROUP

The agent group is invalid.
((HRESULT)0x80040049L)

TAPI_E_CALLCENTER_INVALPASSWORD

The agent password is invalid.
((HRESULT)0x8004004AL)

TAPI_E_CALLCENTER_INVALAGENTSTATE

The agent state is invalid.
((HRESULT)0x8004004BL)

TAPI_E_CALLCENTER_INVALAGENTACTIVITY

The agent activity is invalid.
((HRESULT)0x8004004CL)

TAPI_E_REGISTRY_SETTING_CORRUPT

The registry setting is corrupt.
((HRESULT)0x8004004DL)

TAPI_E_TERMINAL_PEER

The peer for one of these bridge terminals has already been assigned.
((HRESULT)0x8004004EL)

TAPI_E_PEER_NOT_SET

The peer for this bridge terminal must be set to complete this operation.
((HRESULT)0x8004004FL)

TAPI_E_NOEVENT

There is no event in the MSP's event queue.
((HRESULT)0x80040050L)

TAPI_E_INVALADDRESSTYPE

This address does not support the specified address type.
((HRESULT)0x80040051L)

TAPI_E_RESOURCEUNAVAIL

A resource needed to fulfill the request is not available.
((HRESULT)0x80040052L)

Requirements

  Windows NT/2000: Requires Windows 2000.
  Version: Requires TAPI 3.0 or later.
  Header: Declared in Tapi3err.h.