Thanks chlauber,
The only thing I missed was the zmmailboxdctl restart.
I am unable to test the SMS feature as I don't have any carriers that will terminate SMS but click-to-dial worked perfectly after I changed the regex to cover the North American dial plan.
Have you looked at com_zimbra_phone? I had to disable that zimlet in order to get this one working. It might be nice to add an additional menu like they have to add a contact. Their license may not be compatible with GPLv3 (haven't looked).
Code:
<menuItem label="${msg.addToContacts}" icon="NewContact" id="ADDCONTACT"/>
<menuItem label="Dial" id="DIAL"/>
<menuItem label="Send SMS" id="SENDSMS"/> The only other thing I noticed was that the icon for Asterisk does not show in the listing of zimlets.