EnableOutgoingDtmfDigits can be called by application software to enable or disable the ability of the telephony engine to present dialed DTMF tones to the user when an out going phone call is placed. If DTMF tones are enabled, the tones a user hears represent the IP address of the call destination.

Namespace:  LanScape
Assembly:  LMEVoipManaged (in LMEVoipManaged.dll) Version: 6.0.5226.26700


public VoipMediaEngine..::.TELEPHONY_RETURN_VALUE EnableOutgoingDtmfDigits(
	bool EnableState
Visual Basic (Declaration)
Public Function EnableOutgoingDtmfDigits ( _
	EnableState As Boolean _
Visual C++
VoipMediaEngine..::.TELEPHONY_RETURN_VALUE EnableOutgoingDtmfDigits(
	bool EnableState
public VoipMediaEngine..::.TELEPHONY_RETURN_VALUE EnableOutgoingDtmfDigits(
	boolean EnableState


Type: System..::.Boolean
The enable state of DTMF tone generation. The state of DTMF tone generation enable affects all phone lines of the telephony engine.

Return Value

If the function succeeds, the return value will be SipSuccess.

If the function fails, the return value will be one of the following values as specified by the VoipMediaEngine..::.TELEPHONY_RETURN_VALUE data type.

Return ValueDescription
This value is returned by telephony API procedures to indicate general API failure. This error value is used as a "catch all error". If you receive this error, check to make sure that all parameters specified in the API procedure call are correct. Particularly, verify that pointers to memory regions are valid. This error return value is only used if a mapping to another specific error value does not exist.

(API return value)

Application software specified an invalid telephony handle in one of the API procedures. This usually indicates memory corruption on the part of application software.

(API return value)



See Also