Components / protocols
With very few exceptions, Unison Server™ communicates with Unison Desktop™ or other clients using standard data exchange protocols. These protocols are documented in the corresponding Requests for Comments (RFCs).
Unison Server uses the following data exchange protocols and RFCs in its main server components:
| Component | Protocols and RFCs |
|---|---|
| AAA server | RADIUS, RFC 2865, RFC 2866 |
| Calendar server | CalDAV, RFC 4791 |
| Call Router | SIP, RFC 3261 |
| Directory server | LDAP, RFC 4510 – RFC 4519 |
| Instant Messaging server | XMPP, RFC 3920 – RFC 3923 |
| IVR server* | SIP, RFC 3261; RTP, RFC 3550 |
| Mail server | IMAP, RFC 3501; LMTP RFC 2033 |
| Mail Transfer Agent | SMTP, RFC 821, RFC 2821 |
| Media server* | RTP, RFC 3550 |
| Phone Registrar | SIP, RFC 3261 |
| RTP proxy server | RTP, RFC 3550 |
| TFTP server | TFTP, RFC 1350 |
| Unison Control Panel™/HTTP server | HTTP(S), RFC 2616 (RFC 2818) |
| Voicemail server* | SIP, RFC 3261; RTP, RFC 3550 |
* The server supports the following codecs: G711ULAW; G711ALAW; and GSM.


