4.10.  gc_GetCallInfo( )

For E-1 CAS and T-1 robbed bit protocols that support enhanced call analysis (call progress), the gc_GetCallInfo( ) info_id CONNECT_TYPE parameter contains the type of connection as returned by the function. These connection types are:

• GCCT_CAD: connection due to cadence break
• GCCT_PVD: connection due to voice detection
• GCCT_PAMD: connection due to answering machine detection
• GCCT_FAX:- connection due to fax machine detection
• GCCT_NA: connection type is not available

PDK protocols provide support for enhanced call analysis.

For protocols that do not support enhanced call progress analysis, the gc_GetCallInfo( ) function with the CONNECT_TYPE parameter specified will return a CONNECT_TYPE value of GCCT_NA (not available).

For E-1 CAS protocols that support the CALLINFOTYPE info_id parameter, a call information string containing either a CHARGE or NO CHARGE value is returned by the parameter; check your protocol in the Global Call Country Dependent Parameters (CDP) Reference for applicability.

On Springware boards, the gc_GetCallInfo( ) function can be used to retrieve the CATEGORY_DIGIT parameter for E-1 CAS calls. (CATEGORY_DIGIT is not supported on DM3 boards.)

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