* or just a specific extensions.
*
* For non-device related states, there's an API called
- * devicestateproviders. This is an extendable system for
+ * devicestate providers. This is an extendible system for
* delivering state information from outside sources or
* functions within Asterisk. Currently we have providers
* for app_meetme.c - the conference bridge - and call
*
* The CLI command "show hints" show last known state
*
- * \note None of these handle user states, like an IM presense
+ * \note None of these handle user states, like an IM presence
* system. res_jabber.c can subscribe and watch such states
* in jabber/xmpp based systems.
*