An error occurred while updating the firmware 6721
The error could have been cosmetic, or a reboot failure, or some other transient exception (the time capsule was supposed to reboot, and upgrade attempts against a patched unit return an error).
Anyhow, why didn't I just reboot as part of standard troubleshooting?
The Lync Phone Edition client now has two different interfaces.
First, the original touchscreen-based client which started in OCS on the CX700 and was updated for Lync.
These are very old beta versions that I have not even had my hands on in a long time and unfortunately cannot test upgrading them directly against Lync Server.
The amber light was blinking, and Air Port Utility shows that I need to do a firmware upgrade to 7.6.
When updating Aries device there are no legacy hostnames used and as these devices only operate with Lync Server. Download and install the update package on to the Lync Server. Configure a test device to first validate a successful update and working installation. Trigger an update on the test device (or just wait). But understand this is not necessary and now that the Test Device is created the associated device will update on it’s own after a period of inactivity (typically 10 minutes).
The process is even simpler to support, except for the case that a pre-release beta device is in question. The reboot simply triggers the phone to look for an update without waiting as long.
Both phones were identical and used the exact same software so a single installation package was distributed and updated on a regular basis.
Lync Server 2010 now has multiple versions of the update package, as they are both different clients (with different interfaces and features) as well as different device designs between vendors.