ISR G2 - cme-srst license

On ISRG2, in order to use cme-srst feature, just installing uck9 license is not good enough.  You also need to activate the cme-srst license by accepting the end user agreement.  After that you can use this feature for 12 years.

http://www.cisco.com/en/US/docs/routers/access/sw_activation/SA_on_ISR.html#wp1155517

Here is the command you need to issue:
config t
license accept end user agreement

reload your router then check:


SRST-R2#sh license det cme-srst
Feature: cme-srst                        Period left: 8  weeks 3  days
Index: 1        Feature: cme-srst                          Version: 1.0
        License Type: EvalRightToUse
        License State: Active, In Use
            Evaluation total period: 8  weeks 4  days
            Evaluation period left: 8  weeks 3  days
            Period used: 38 minutes 3  seconds
            Transition date: Jan 21 2013 17:12:02
        License Count: 20/0  (In-use/Violation)
        License Priority: Low
        Store Index: 7
        Store Name: Built-In License Storage

Be careful that before you do this step, you can still issue the CME-SRST command, it just doesn't work!  The phone cannot be registered with the reject message

Nov 22 09:08:32.987: %IPPHONE-6-REG_ALARM: 24: Name=SEP588D09357799 Load=SCCP6945.9-3-1-3 Last=Phone-Reg-Rej

My IOS version:  15.2(4)M2