SIP SIMPLE Client SDK

= Buddy list =

[[TOC(Design*, depth=1)]]

* Account
* Address-book
* Buddy list
* Watcher list
* Presence rules

[[Image(sipsimple-buddy-list-design.png,width=600)]]
== Account ==

* GET XCAP documents xcap-caps, pres-rules, resource-lists, pidf-manipulation, rls-services
* Sends Publish for event presence
* Maintains a '''Presentity''' attributed that is sent as body to Publish
* Sends Subscribe for event presence.info
* Sends Subscribe for event presence with Supported=eventlist

== Buddy lists ==

Contains list of buddies. The buddylist is indexed by SIP URIs. Additional one can store full name or other attributes. Based on NOTIFY for event=presence each buddy has a '''Presentity''' attribute that contains published information. GUI displays parts of it.

Buddy list is stored in resource-lists XCAP document. If RLS is used, a RLS document that can contains a list of discrete SIP URIs is built and PUT on the server.

== Watcher lists ==

Built based on the body of NOTIFY for event=presence.winfo.

== Presence rules ==

Based on NOTIFY for event watcher.info we update the policy and PUT pres-rules document on the XCAP server.

== Icon storage ==

http://xcap.example.com/xcap-root/icon/users/sip:alice@example.com/icon.png

Public access: Anyone can do GET without being challenged with401.

Write access: PUT is 401-ed, only the owner can write it.

Use http://tools.ietf.org/html/rfc4482 to publish the link to it.