GSM&PSTN FWT-8848 User's Manual Version 1.1
6
00--prefix no. Maxium 5 digit, if not enough, use "#" to substitute.
E.g.
*#21#01*00#### set all number with prefix 00 call out through PSTN.
*#21#01*0755## set all number with prefix 0755 call out through PSTN.
Default setting:
*#21#01*1#####
*#21#02*2#####
*#21#03*3#####
*#21#04*4#####
*#21#05*5#####
*#21#06*6#####
*#21#07*7#####
*#21#08*8#####
*#21#09*9#####
*#21#10*00####
Default setting: Prefix 1 to 9 and 00 numbers call out through PSTN. Other numbers call out
through GSM.
II) Other Optional Function Setting
1) Restore to factory default setting
*#99#99# restore to factory default setting.
2) Adjust dial interval
*#01#30# , 01--command
，
30--time
，
Max 9.9 seconds
，
Min 0.5 seconds, default setting is 3
seconds.
*If you use GSM&PSTN FWT-8848 for connecting to VoIP gateway, you can set dial interval as
0.5 second, it can make PDD<5 sec (Method: *#01#05#);
*If you use GSM&PSTN FWT-8848 for connecting telephone, PBX, billing device, you can set
dial interval as 3 seconds or 5 seconds as you like (Method: *#01#30#, set the dial interval as 3
seconds).
3) Adjust Earphone Volume
*#02#15# 02--command
，
15--volume
，
Max 16
，
Min 1, default setting is 15.
4) Adjust Mic. Volume (sensitivity)
*#03#10#
03--command
，
10--amount
，
Max 16
，
Min 1, default setting is 10.
5) Setting local area code
