ZETRON 748, Technical Manual

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Feature Set Reference
156 025-9368H
PSTN Feature Code
The PSTN Feature code is a string of DTMF digits which is dialed before any other digits on all
mobile to phone calls. This would typically be used to send the “disable call waiting” function code
prior to the mobile actually dialing the phone number. Any valid DTMF digit plus the pause
character “,” are valid in the string. The string can be up to a maximum of nine digits long.
When a mobile first accesses the phone line, the 748 waits for the first digit of a phone number from
the mobile. This allows the mobile to listen for dial tone prior to dialing. Once the first digit has been
received from the mobile, the 748 will dial the
PSTN Feature code while buffering the digits
received from the mobile. The buffered digits will be regenerated by the 748 after the PSTN feature
code has been dialed. The string is only dialed once at the start of the call.
How to program it:
Access the Model 748 through your direct connected PC or terminal, or remotely from your PC
connected to a modem via the Model 748’s internal modem.
Once connected to the Model 748 and the Main Menu is on the screen, type “1” and press ENTER ,
and the Interconnect Menu will appear. Type “2” and press
ENTER
, the Telco System Menu will be
displayed. Select the item number for PSTN Feature code and press
ENTER
. The current setting will
appear along with a message instructing you to enter the new value and the range of values you may
enter. Enter a new value and press
ENTER when you have finished.
The default setting for PSTN Feature code is no code has been programmed.
Valid digits are “0-9”, “A-D”, “*”, “#” and “,”.