Glad to hear it's all working - and I remember when I first started looking at all this stuff, and my immediate reaction was "what does all this mean?" Red phones, brown phones, CIDs, CDAs.
Since you are already on CID53 (don't do this with a phone with a lower CID, since it will upgrade it to CID53, and that has more security), it's worth connecting to SEUS and checking to see if there is any newer software.
If it gives you the option to upgrade or reinstall, then it means that your phone has a plausible configuration - if it just says "you already have the latest firmware" without the "reinstall" option then there is something inconsistent in your phone config.