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6. Data Structure Reference
299
Type Description Values
feature_controlA Firmware feature
control field A. This
is a bit mask field
for setting features
in the firmware.
The following defines are used to configure
the firmware features. The lowest two bits
provide a combination of four possible
settings for the TONE feature.
#define NO_PCM_TONE 0x00
#define ULAW_PCM_TONE 0x01
#define ALAW_PCM_TONE 0x02
#define DEFAULT_PCM_TONE 0x03
#define SENDING_COMPLETE_ATTACH 0x04
#define USER_PERST_L2_ACT 0x08
#define HOST_CONTROLLED_RELEASE 0x10
Where:
• NO_PCM_TONE = Disable firmware
from providing tones and set default
encoding according to switch type
• ULAW_PCM_TONE = Provide tones and
use ULAW encoding for B channel tones
• ALAW_PCM_TONE = Provide tones
and use ALAW encoding for B channel
tones
• DEFAULT_PCM_TONE = Provide tones
and use default encoding for B channel
tones according to the switch type setting
• SENDING_COMPLETE_ATTACH =
Add Sending Complete IE to SETUP
message
• USER_PERST_L2_ACT = Persistent L2
activation on User side
•
HOST_CONTROLLED_RELEASE =
Delay RELEASE reply until host issues
cc_ReleaseCall( )
feature_controlB Firmware feature
control field. This is
a bit mask field for
setting features in
the firmware.
Currently not used.