(Re)Design of PJSUA API

Global Settings

Base settings

Global settings:

1. Nameservers
2. Max calls
3. SIP worker thread count
4. Outbound proxies
5. Outbound proxy credentials
6. STUN settings:
   1. Domain
   2. Host
7. Put NAT type in outgoing SDP
8. Default extension:
   1. 100rel
9. User agent string
10. Default SRTP settings

Logging Config

Logging config:

1. Enable SIP message logging
2. Input verbosity level
3. Console output verbosity level
4. Decoration
5. Log file name
6. Logging callback

Accounts Settings

Account settings:

1. General:
   1. Account priority
2. SIP settings:
   1. SIP AOR for this account
   2. Registration settings:
      1. Registrar URI
      2. Credentials (realm, username, password)
      3. Registration timeout
   3. Transport settings
      1. Enable STUN
      2. Keep-alive setting
      3. Pre-loaded route set
      4. Disable registration contact auto update
   4. Presence settings
      1. Enable PUBLISH
      2. Optional PIDF tuple ID
   5. SIP extensions:
      1. Enable 100rel
      2. authentication preference (IMS)
3. Media settings:
   1. STUN setting:
      1. Enable STUN
   2. TURN setting:
      1. Enable TURN (when enabled and ICE is not used, TURN transport will override all transports)
      2. Server address/domain
      3. Credential (realm, username, password)
      4. Client transport type {UDP/TCP/TLS}
      5. TLS certificate setting
      6. Keep-alive interval for UDP
      7. Keep-alive interval for TCP/TLS
   3. Enable ICE
   4. Enable RTCP
   5. SRTP
      1. Enable SRTP
      2. SRTP secure signaling requirement
   6. Codec settings
      1. Codec priorities
      2. Quality settings

Callbacks

Callbacks:

1. on_call_state
2. on_incoming_call
3. on_call_tsx_state
4. on_call_media_state
5. on_stream_created
6. on_stream_destroyed
7. on_dtmf_digit
8. on_call_transfer_request
9. on_call_transfer_status
10. on_call_replace_request
11. on_call_replaced
12. on_reg_state
13. on_incoming_subscribe
14. on_buddy_state
15. on_pager2
16. on_pager_status2
17. on_typing
18. on_nat_detect