Nortel CTA 500dm Installation Manual page 48

48 AT commands
Result Codes
Channel Speed Control
Result Codes
Incoming Call Control
CTA 500 dm On Line Guide
The following table shows the values for bearer service selection.
Value
0
1
2
OK Appears when the selected value is supported.
ERROR Appears when the selected value is unrecognized or is not
supported.
The Channel Speed Control Command
instructs the CTA 500dm to use the speciÞed data rate for outgoing
calls dialed over the B-channels of the TCM port of the CTA 500dm.
The selected rate applies to both channels on the TCM link.
The following table shows the values for data rate selection.
Value
0
1
OK Appears when the selected value is supported.
ERROR Appears when the selected value is unrecognized or is not
supported.
Data calls can be answered over any of the ISDN bearer services.
The data rate can be either 56 kbit/s or 64 kbit/s. However, the data
rate over either of the voice bearer services must be set to the same
rate as the receiving end, since this cannot be indicated in call set-up
Bearer Service
data (default)
3.1 kHz audio
speech
%A4=value
Data rate
64 kbit/s
56 kbit/s (default)
P0873832 Issue 05