Cisco Cisco Expressway
4. Click Create transform.
Creating a transform to convert other Unified CM-supplied
domain variants to number@exp.domain
domain variants to number@exp.domain
This transform converts URIs received from Unified CM to the format used in the Expressway’s neighbor
zones.
zones.
The domain portion of the URI received from Unified CM depends on its SIP Trunk configuration (see
). Thus, this could be the IP address:port of the Expressway or the
FQDN of the Expressway or Expressway cluster.
In this example, it is matching URIs received from Unified CM in the form 4xxx@exp-
name.exp.domain:<port> and converting it into 4xxx@exp.domain.
name.exp.domain:<port> and converting it into 4xxx@exp.domain.
1. Go to
Configuration > Dial plan > Transforms
.
2. Click New.
3. Configure the fields as follows:
Description
Convert Unified CM supplied domain information to the Expressway SIP
domain
domain
Priority
Enter a high priority such as 5 (the priority of this transform should be before any
transforms that need to be applied for searching neighbor zones)
transforms that need to be applied for searching neighbor zones)
Pattern type
Regex
Pattern string
For example: (4\d{3})@exp-name.exp.domain(:.*)?
Pattern behavior
Replace
Replace string
For example: \1@exp.domain
State
Enabled
4. Click Create transform.
Cisco Unified Communications Manager with Cisco Expressway (SIP Trunk) Deployment Guide (X8.5.2)
Page 24 of 42
Configuring Expressway routing