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• Source number 1234510012001 is changed to 20018 (according to Rule 3). • Source number 3122 is changed to 2312 (according to Rule 4). 3. Configure the Number Manipulation table according to Table 3-3. 4. Click the Submit button to save your changes. Notes: •The manipulation rules are applied to any incoming call whose 1) destination number prefix matches prefix defined in the ‘Destination Number’ field, 2) source number prefix matches the prefix defined in the ‘Source Prefix’ field, and 3) sou