User manual

DWG2000-16G User Manual
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Dinstar Technologies Co., Ltd.
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Figure 4-7-6 Tel to IP routing Modify
Add GSM to GSM route,its mainly used for saving the cost between two carriers.It indecates that
calls coming from Port 0 will match the prefix 13[58], ”13[58]” include prefix 135 and 138, caller
number can’t match prefix 135 and 138 will reject by gateway. Meanwhile sending the calls to
Port Group 31<Unicom> if called number match with prefix 133.