7815I2 need redundancy server for 7815

[BALAMURUGAN SINGARAM]

One of our customer is having 7815I2, they are using cucm 5.1 ver, now they need upgrade 5.1 to 7.1 with redundant server.

My question can we use new server 7816I4 as a redundant for 7815I2.

Please light me on this.

[gogasca]

Should be ok,

check this URL for number of IP Phones recommendation per server, other than that u should be ok

http://www.cisco.com/en/US/docs/voice_ip_comm/cucm/srnd/7x/callpros.html#wp1043639