摘要 |
An automatic switch-dialing system and method are provided, that can be applied on a telephone set having both of the Public Switched Telephone Network (PSTN) and the Voice over Internet Protocol (VOIP) dialing capabilities. During dialing out a phone call, the prefix code and the phone number length of the dialed phone number are compared with those stored in a preset routing table, thus determining the dialing mode of the dialed phone call. As such eliminating the inconvenience of manual setting for the user, and realizing the optimized balance between saving telephone expenses and achieving better communication quality.
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