Advantech MIC-3369C Guía de instalación descargar pdf (Pagina 159)

Dialogic

System Release 6.1 CompactPCI for Windows

Release Update 159

Speed control on Dialogic

DM3 Boards using 6 kHz coders

The following coders are now supported and should be added to Section 9.1, Speed

and Volume Control Overview:

• OKI ADPCM 24 kbps (6 kHz 4-bit)

• G.711 PCM A-law 48 kbps (6 kHz 8-bit)

• G.711 PCM mu-law 48 kbps (6 kHz 8-bit)

3.4.20 Dialogic

Voice API Library Reference

Functions not supported

The r2_creatfsig( ) and r2_playbsig( ) functions, which were previously provided for

backward compatibility only, are no longer supported. All references to these

functions should be deleted. R2MF signaling is typically accomplished through the

Dialogic

Global Call API.

Update to dx_getdig( ) (IPY00038453)

For Dialogic

DM3 Boards, the return value of dx_getdig( ) in synchronous mode has

been changed to return 0 instead of 1 when there are no digits in the buffer. The

NULL character in the digit string ‘dg_value’ is no longer counted as a digit. Similarly,

when dx_getdig( ) returns the number of digits, the terminating NULL is no longer

added to the number of digits. (The NULL was previously counted in the numdig

return value calculation, but since it is not a digit, the NULL is no longer included.)

For Dialogic

Springware Boards, the terminating NULL is included in the number of

digits. So for Springware Boards, dx_getdig( ) still returns 1 when there are no digits

in the buffer.

Update to dx_OpenStreamBuffer( ) (IPY00044981)

The following caution should be added for dx_OpenStreamBuffer( ):

• When using Dialogic

DM3 Boards, the dx_open( ) function must be called on a

board, channel, or physical board before dx_OpenStreamBuffer( ) is called.

Failure to do so would prevent the DM3 library from loading, and

dx_OpenStreamBuffer( ) would fail.

Update to dx_rec( ), dx_reciottdata( ), dx_recvox( ), and dx_recwav( )

The dx_rec( ), dx_reciottdata( ), dx_recvox( ), and dx_recwav( ) function reference

pages contain a caution about channels getting stuck when failing to listen to a TDM

bus time slot prior to invoking a record operation. The caution should be revised: this

condition now returns an error rather than resulting in a stuck channel. The revised

caution is:

• On Dialogic

DM3 Boards using a flexible routing configuration, voice channels

must be listening to a TDM bus time slot in order for voice recording functions,

such as dx_reciottdata( ) and others, to work. The actual recording operation will

start only after the voice channel is listening to the proper external time slot. In

other words, you must issue a dx_listen( ) function call on the device handle

before calling a voice recording function for that device handle, and the

dx_listen( ) has to be called from the same process as the voice recording

function. If not, the voice recording function will return TDX_ERROR with

EDX_SH_MISSING as the termination reason.

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