Very Interesting.
Under sip-ua in the CLI, the authentication username password gets set for the SIP SP. Usually I have seen the 'password 7 ', where 7 means an encrypted password follows, so it wont match what you entered, but it is what you entered :-)
I tried configuring the sip-ua to manually set that to 'password 0 ' and it still shows as 7 , so no luck there. CCA offers an option in 1.9.1 that lets you show/or not the password for the SIP SP in the GUI, but doesnt impact the way the CLI is sent it looks like.
Perhaps enable the following debug:
debug ccsip messages
...and watch to see if the registration message goes out and is responded to (challenged usually and then responded to with the nonce, which is also a hash of values so you wont see it there either) so at least you can get a little further.
Also do
'sh sip reg stat' to check status manually.
Then you can see where you are perhaps a bit better.....
