IPM_FAX_SIGNAL

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typedef struct sc_tsinfo {
	   eIPM_TONE eToneType;
	   unsigned int unToneDuration;

} IPM_FAX_SIGNAL, *PIPM_FAX_SIGNAL; 

Description

This structure defines the tone information detected by the gateway. IPM_FAX_SIGNAL is a child of IPM_MEDIA, which is a child of the IPM_MEDIA_INFO structure. The structure is used by the ipm_GetLocalMediaInfo( ) and ipm_SetRemoteMediaInfo( ) functions.

Field Descriptions

The fields of the IPM_FAX_SIGNAL data structure are described as follows:

eToneType

The eIPM_TONE data type is an enumeration which defines the following tone types:

• TONE_NONE

  no tone

• TONE_CNG

  calling (CNG) tone. Tone produced by fax machines when calling another fax machine.

• TONE_CED

  called terminal identification (CED) tone. Tone produced by fax machine when answering a call.

unToneDuration

duration of tone to generate

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