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Enhancing ANI to PSTN Connectivity: Recommendations for Streamlined Roaming Solutions

Learn about typical roaming situations and alternatives for sending numbers in signaling. Get recommendations for short-term fixes and long-term solutions in using IS-41 MDN fields for ANI transmission.

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Enhancing ANI to PSTN Connectivity: Recommendations for Streamlined Roaming Solutions

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  1. Issues with ANI to PSTN IFAST-14 Lima, Perú October 4-5, 2000

  2. Typical roaming situation

  3. Alternatives to send in the callingnumber field of the signaling to the PSTN • MIN • TLDN • A fix number • The real number in its local, national or international format (E.164)

  4. Recommendations • A solution in the short term is to send a fix ANI to the PSTN to avoid any problem in the call completion to the PSTN. • In the long term the MDN field of IS-41 should be activated to send the ANI and to be able to use the services of redialing and identification.

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