Alex replied to me off list, so for the archives, here's what he said.
It's a great summary of how things work.
You first register your application with the Sync Service. At
registration you register
Thanks for the info. Alex. Right, the code in question uses the
Address Book framework, and all the sync logic was worked out and has
been performing well. Since this work was originally done for 10.2,
Sync Services wasn't around yet. Ideally, all of the AddressBook
framework calls would go
Hi Dave,
I have also been working on something quite similar to this for some
time now, however I have been using Sync Services. Take a look at
http://www.addressbookserver.com which uses WebServices (SOAP) to
transfer Address Book content to a central server, which is also
platform independent. T