Dhcp not updating a records in dns
They do not run any version of the Lync Phone Edition client.Previously the CX700/IP8540 was the only device which ran the Phone Edition client, but now the new family of devices (Polycom CX500, CX600, CX3000 and Aastra 6721ip, 6725ip) all run a new version the Lync Phone Edition client.
All previous endpoints are still supported in Lync Server with the identical functionality they contained when used in an Office Communications Server environment.
Plus, they keep as little of your data as possible and store all necessary details in a private database that will never be sold. This dynamic DNS service — they also offer other kinds of free hosting as well — just might be the best one on this list.
One quick glance at their feature list and you’ll be amazed by what’s on the table. You can also use an unlimited number of your own domains if you want, plus 20 subdomains for each one.
In fact, the two services are only one year apart in age (Dyn DNS launched 1998, No-IP launched 1999).
For a free account, you’ll get three subdomains on a single domain choice, but these subdomains will never expire as long as you confirm activity every 30 days.