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Pre-deployment Checklist and Tasks
Contents
Step 5.
Click Save.
Procedure 3
Configure SIP route pattern on CUCM for B2B
The following SIP route pattern is configured to route all B2B calls towards the Expressway-C, which
doesn't match any existing route patterns.
Step 1.
Navigate to Call Routing > SIP Route Pattern and click Add New.
Step 2.
Enter the following into the relevant fields, leaving the other fields at their default values:
Pattern
Usage—Domain Routing
IPv4
Pattern—*
SIP Trunk/Route
Step 3.
Click Save.
Procedure 4
Configure firewall
The firewall must be configured to allow traffic on following ports between your inside network (where the
Expressway-C is located) and the DMZ (where the Expressway-E is located) and between the DMZ and
the public Internet as per the easy access configuration
Configure neighbor zone on Expressway-C for CUCM
Procedure 5
Step 1.
Navigate to Configuration > Zones > Zones and click New.
Step 2.
Enter the following into the relevant fields:
Name—CUCM Neighbor Zone (B2B)
Deploy MRA and B2B Collaboration
List—SIP_Trunk_ExpC
firewall port requirements
Deployment Details
Deploy CUBE
PAGE 45
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