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Tag infopkts – Dialogic 6.2 User Manual

Page 44

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The Bfv API Functions

November 2009

44

Tag Infopkts

Contain speech parameter structures (which describe the sample

rate, coding format, and data format of the speech or indicate the

end of speech playback), and fax parameter structures (which

describe a strip or page of data, the line parameters, or control

parameters). They are:

INFOPKT_ASCII_STRIP_PARAMETERS

Tag containing parameters for ASCII data strip.

INFOPKT_BEGINNING_OF_PAGE

Tag indicating the beginning of a new page with no new parameters

from the previous page.

INFOPKT_DOCUMENT_PARAMETERS

Tag indicating new page composition parameters. An infopkt stream

must begin with this infopkt type. This is used, for example, to

change the resolution between pages in the middle of a fax

transmission.

INFOPKT_EFF_PAGE_PARAMETERS

Tag containing enhanced fax format page parameters.

INFOPKT_END_OF_SPEECH

Tag indicating end of speech playback.

INFOPKT_FAX_HEADER

Tag specifying a header or footer to appear on all subsequent pages

of a fax transmission.

INFOPKT_G3_STRIP_PARAMETERS

Tag containing parameters for G3 data strip.

INFOPKT_PAGE_PARAMETERS

Tag containing margin and padding parameters for a page.

INFOPKT_SPACE

Tag containing the spacing parameters for a fax page or a fax

overlay.

INFOPKT_SPEECH_PARAMETERS

Tag containing parameters for succeeding speech infopkts.

INFOPKT_T30_PARAMETERS

Tag containing T.30 line parameters bit rate and scan time. When

ECM is in use, the scan time specification has no effect.