SRST versus CME-in-SRST

Comparison chart of CME-in-SRST and SRST:

http://www.cisco.com/en/US/prod/collateral/voicesw/ps6788/vcallcon/ps2169/prod_qas0900aecd8028d113.html

The main questions to ask yourself whether to go for CME-as-SRST or SRST are:

1. How many phones do I need to support?
2. What features do I need during failover
3. Do I need to support a VG248 during failover?
4. Do I need to support hunt groups or call park?
5. Is conferencing required?
6. Are we utilizing secure voice? 

 



.