Here is a list of all documented files with brief descriptions:
  eX_call.h | EXosip call API |
| eX_message.h | EXosip request API |
| eX_options.h | EXosip options request API |
| eX_publish.h | EXosip publish request API |
| eX_refer.h | EXosip transfer outside of calls API |
| eX_register.h | EXosip registration API |
| eX_setup.h | EXosip setup API |
| eX_subscribe.h | EXosip subscribe request API |
 eXosip.h | EXosip API |
