Importance

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Abstract

We have included a Dialing Plan Engine (DPE) software component in the SSL in order for other components in the SSL to access DPE services. The DPE allows the SSL object to `learn` the dialing plan rules for a given network. Input strings are submitted from a SSO instance to the DPE. The DPE analyzes the strings, performs necessary modifications and operations and returns a result comprising commands or subsequent instructions to the SSO instance. The DPE analyzes the input string to identify which call formats, code prefix, and/or Supplementary services apply to the call. Examples of call format include local call format, domestic long distance call format, and service call. The DPE also recognizes user-dialed Carrier Identification Codes which enables the calls to be implemented by the identified carrier; it recognizes user-dialed errors such as, partial digits, and missing code prefix and it responds appropriately to these errors.

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First Claim