Nortel Meridian Companion, Руководство по установке и обслуживанию

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Programming the Meridian Companion system Page 85 of 206
Meridian Companion Installation and Maintenance Guide
7. Repeat steps 1 to 4 (after the warm reset) to verify the correct address
has been applied. The offset value will also be displayed. This value may
be important for troubleshooting purposes.
Dual tone multifrequency timing
DTMF timing, which can be changed only if the installer specified
Custom
during the country selection procedure, includes three elements: tone burst
(duration of tone for each digit), interdigit time (time between sending tones
for two digits), and pause time (time required to send a pause character). All
three are set in milliseconds, and are set automatically during initialization.
Follow this procedure to step through the list of precoded times.
1. Press
ƒ••‚
and enter the Installer password.
2. Press
^
. The display shows 1. Telephony Data .
3. Press
^
, then
*
until the display shows DTMF Timing .
4. Press
^
. The display shows
Tone burst:
and the current
setting.
5. Press
CHANGE
to search through the precoded times. The last value
displayed is automatically selected.
6. Press
*
. The display shows Interdigit: and the current
setting.
7. Press
CHANGE
to search through the precoded times. The last value
displayed is automatically selected.
8. Press
*
. The display shows
Pause:
and the current setting.
9. Press
CHANGE
to search through the precoded times. The last value
displayed is automatically selected.
10. Press
®
to return to the category menus or press
*
to
continue in Configuration programming.
Pulse code modulation mode
Pulse code modulation (PCM), which can be changed only if the installer
selected
Custom
during the country selection procedure, defines how analog
voice signals are encoded for transmission. The PCM mode is set
automatically to
µ
-law or A-law during initialization.