diff --git a/README.md b/README.md
index a3ce8c4e..d7965e01 100644
--- a/README.md
+++ b/README.md
@@ -333,6 +333,7 @@ _[SIP](https://en.wikipedia.org/wiki/Session_Initiation_Protocol) telephony soft
   * [FreeSWITCH](https://freeswitch.org/) - Scalable open source cross-platform telephony platform. ([Source Code](https://freeswitch.org/stash/projects/FS/repos/freeswitch/browse)) `MPLv2` `C`
   * [Kamailio](http://www.kamailio.org/w/) - Modular SIP server (registrar/proxy/router/etc). ([Source Code](https://github.com/kamailio/kamailio)) `GPLv2` `C`
   * [Ostel](https://dev.guardianproject.info/projects/ostel/wiki/Server_Documentation) - Secure SIP telephony setup with ZRTP encryption. `GPLv3` `Ruby`
+  * [Unified Ring](https://www.unifiedring.co.uk/) - Unifies your business communication with Hosted PBX, SIP Trunking and Bulk SMS. `GPLv2` `C`
 
 ### IPBX