Dinstar DWG2000E - 4.6.3 PIN Management; 4.6.5 SMSC Configuration; 4.6.6 Send SMS;Receive SMS

DWG2000E/F/G GSM/CDMA VoIP Gateway User Manual
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Shenzhen Dinstar Technologies Co., Ltd.
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Step = Cu = 60s;
Maximum Call Duration = total call minutes of SIM (minutes) * 60s / step = Ct * 60 /
Cu =1200 * 60 / 60 = 1200 step
Case2. The SIM card billing every 6s (Cu)
So we have to configure maximum call duration as below:
Step = Cu = 6s
Maximum Call Duration = total call minutes of SIM (minutes) * 60s / step = Ct *60 /
Cu = 1200 *60 / 6 =12000 step
4.6.3 PIN Management
Figure 4-6-4 PIN Management