9
Upgrading the Secondary VCX Server 261
Set Up Database Replication 262
Upgrading a Single-Site System With Four Servers 264
Upgrading the Primary IP Telephony Server 266
Upgrading the Primary IP Messaging Server 267
Upgrading the Secondary IP Telephony Server 269
Upgrading the Secondary IP Messaging Server 270
Set Up Database Replication 271
Upgrading a Multi-Site System With No Branch Offices 273
Upgrading the Call Records Server 273
Upgrading a Multi-Site VCX System with Branch Offices 274
Multi-Site VCX System Upgrade Order 275
Upgrading the Regional Authentication and Directory Servers 275
Upgrading the Regional IP Messaging Servers 281
Upgrading the Regional Call Servers 283
Upgrading the Regional Call Records Server 284
Upgrading the Branch Offices 285
DDOWNGRADING VCX SERVER SOFTWARE
Verifying Software Versions 292
Downgrading from 7.1 to 7.0 293
Important Considerations 293
Downgrading a Single-Site System (7.1 to 7.0) 294
Downgrading a Multiple-Site System (7.1 to 7.0) 298
Downgrading from 7.1.y to 7.1.x 305
Important Considerations 305
Downgrading a Single-Site System (7.1.y to 7.1.x) 306
Downgrading a Multiple-Site System (7.1.y to 7.1.x) 309
Downgrading from 7.0 to 6.0 317
Important Considerations 317
Downgrading a Single-Site System 318
Downgrading a Multi-Site System 322
EVCX COMMANDS
Command Descriptions 330