Etross FWT-8888, User Manual

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5) The installation for connecting to alarm system for Security
The GSM FWT can substitute the PSTN for connecting to alarm system for security purpose
when PSTN failure or not available.
The sketch for connecting to alarm system
7, Function Setting
Before you do the following function settings, Lift handset or press hands free key of telephone
set, then you can press the buttons according to the following instructions to finish setting, you
will hear 2 beeps after you finish, this testify setting successfully.
1) Adjust dial interval
*#01#30# , 01--command
，
30--time
，
Max 9.9 seconds
，
Min 0.5 seconds, factory default setting is
3 seconds.
*If you use FWT-8888 for connecting to VoIP gateway,you can set dial interval as 0.5
second, it can make PDD<5 sec ( Method: *#01#05#);