Clustering and Presence 167
Clustering and Cisco TMS 167
About the Cluster Subzone 168
Neighboring the local VCS to another VCS cluster 169
Troubleshooting cluster replication problems 170
Dial plan and call processing 171
Call routing process 172
Configuring hop counts 174
Configuring dial plan settings 175
About the fallback alias 175
About transforms and search rules 176
About pre-search transforms 176
Configuring pre-search transforms 177
Search and zone transform process 178
Configuring search rules 179
Example searches and transforms 182
Filter queries to a zone without transforming 182
Always query a zone with original alias (no transforms) 183
Query a zone for a transformed alias 183
Query a zone for original and transformed alias 184
Query a zone for two or more transformed aliases 185
Stripping @domain for dialing to H.323 numbers 186
Transforms for alphanumeric H.323 ID dial strings 188
Allowing calls to IP addresses only if they come from known zones 190
Configuring search rules to use an external service 191
About Call Policy 194
Configuring Call Policy 194
Configuring Call Policy rules using the web interface 195
Configuring Call Policy using a CPL script 195
Configuring Call Policy to use an external service 197
Supported address formats 199
Dialing by IP address 199
Dialing by H.323 ID or E.164 alias 199
Dialing by H.323 or SIP URI 199
Dialing by ENUM 200
Dialing by IP address 201
About URI dialing 203
URI dialing without DNS 203
URI dialing via DNS 204
URI resolution process using DNS 204
URI dialing via DNS for outgoing calls 205
URI dialing via DNS for incoming calls 207
URI dialing and firewall traversal 209
About ENUM dialing 211
ENUM dialing process 211
Enabling ENUM dialing 211
ENUM dialing for outgoing calls 212
Configuring zones and search rules for ENUM dialing 213
ENUM dialing for incoming calls 215
Configuring DNS servers for ENUM and URI dialing 217
Configuring call routing and signaling 218
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