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1. Create a new Condition Rule Table entry and populate it with the Condition Rule as configured below.

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   Caption 0 Figure 1 Create Condition Rule Table Entry

2. Create a new Mesasge Rule Table entry and populate the first Message Rule as shown below.

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   Caption 0 Figure 1 Create Message Rule Table Entry

   Tip
   Be sure to add the Condition Expression by clicking the Condition Expression Add/Edit button and configuring as shown. This Condition Expression will cause this particular SMM entry to be run only when the condition is met--when the called number is '0'. Panel borderStyle none Caption 0 Figure 1 Message Rule Condition Image Modified

   Info
   As this entry's Result Type is configured to Mandatory, this entry, and all the subsequent entries, will only execute if a Regex match is found in the SIP Message. Being an Add Raw entry, the entire SIP packet, including SDP, will be searched for the pattern configured in the in the Match Regex box.

3. If the dialed number is 0 and the SIP Message contains c=IN IP4 10.1.1.90, then we want to change the Request URI number (URI User) to a different number. The only method for changing the Request URI header is via the Add Request feature. Use the Add Request selection to create this SMM entry.

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   Caption 0 Figure 1 Change Request URI Header

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   Tip
   Use the User URI Add/Edit button to set the new RURI number
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   0 Figure 1 Edit Message Field
   Image Modified

4. Since the RURI number is being changed, it's probably a good idea to change the TO header number as well. TO headers are configured using the Add Header feature. Use the Add Header feature to create this SMM entry to change the TO Header User URI (number).

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   Caption 0 Figure 1 Change TO Header User URI

   Tip
   Don't forget the User URI Add/Edit button!

5. Add the SMM Table to the desired Signaling Group.

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   Caption 0 Figure 1 Add SMM Table

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