One-Channel GSM VoIP Gateway
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3.3.1 Language
Currently GoIP1 only supports English. VADcore also has other versions of software that
support Simplified Chinese and Traditional Chinese. Contact VADcore if you need other
language support.
3.3.2 Time Zone and Time Server
The GoIP1 Gateway supports Network Time Protocol (NTP) to obtain the date and time
information from an NTP server (Time Server). The time zone is specified as in GMT ± offset.
For example, the Pacific Standard Time is GMT-8, and the Pacific Daylight Time is GMT-7.
Note: The GoIP1 Gateway supports CDR and Billing Information, it is important to set up
these two parameters properly.
3.3.3 DTMF Min Detect Time Gap
This parameter is used to limit two same DTMF digit’s minimum time gap, the range is 60ms
to 120ms, default is 80ms.
If you encounter double digit problem, increase this parameter. If you encounter lose digit,
then decrease this parameter.
3.3.4 Network Tone
Network Tones are a set of tones used for VoIP calls. Select one of the predefined countries
