This is a topology for this lab.

On Cisco CME R1 and R2:

+ On R1:

Configure secondary Cisco CME on the IP address 192.168.5.251 and register CIPC phone on Cisco CME R1 with DN is 1111

 “ip source-address 192.168.5.250 port 2000 secondary 192.168.5.251 “

+ On R2:

Configure secondary Cisco CME on the IP address 192.168.5.250

 “ip source-address 192.168.5.251 port 2000 secondary 192.168.5.250 “

telephony-service

 max-ephones 2

 max-dn 25

 ip source-address 192.168.5.251 port 2000 secondary 192.168.5.250

 system message TUNGLEVoIP

 max-conferences 4 gain -6

 web admin system name admin password Pa$$w0rd

 dn-webedit

 time-webedit

 transfer-system full-consult

 create cnf-files version-stamp Jan 01 2002 00:00:00

+ Next, configure CIPC softphone on Windows VM.

TFTP server 1: 192.168.5.210

TFTP server 2: 192.168.5.251

+ Shutdown R1 (192.168.5.250)

The phone has been switched to successfully register on CME R2.