User Manual
AirLink Pro T1/E1 Rack Mount Installer’s Guide
Configuration
Rev. B - 1/97
3-29
Telephone Numbers and Dial Format
The primary telephone number is the first number dialed. Ringing will continue
for a user-specified period (default is 30 seconds) before giving up as
unanswered. When the connection to the primary telephone number is not
successful, then the secondary number is attempted.
If neither the primary nor the secondary number is successful, then the AirLink-
T1 waits for a Dial Retry period before retrying. In this case, an advisory event
is logged stating the reason for the failed dial-out. In addition, if the unit is
unable to communicate with the modem, it will continuously retry (no holdoff
period is imposed), and log an advisory. Only one advisory message of each
type will be logged per dialing session (from the first failed attempt until dial-
out is successful) in order to prevent the event queue from becoming flooded with
dial-out failures. No busy or no-answer advisory event will cause a dial-out.
The telephone numbers are entered as 40 characters, including the "ATDT"
prefix. If there is no primary number, the secondary number is never attempted.
The following characters may be used in the telephone number fields:
0-9 Dial numbers
, (comma) Pause 1 second each before processing next char
(to wait for second dial tone after dialing '9')
! Flash (0.5 second ON-HOOK signal)
@ causes the modem to wait 30 seconds for one or more rings
followed by 5 seconds of silence before processing the next
character. This is used when the system being called does not
provide a dial tone.
# # key on touch-tone telephone keypad
* * key on touch-tone telephone keypad
- (dash) No meaning; provided for user convenience
( ) No meaning; provided for user convenience
' ' Blank spaces are ignored.
User-Directed Connections
To troubleshoot, enter the command to dial a specific telephone number and
hold the connection. The syntax for this command is:
CONNECT 1
CONNECT 2