Formerly SFLphone, GNU Ring, and now Jami.
| SIP-URI Host: | to avoid incomplete registration, enter that value in the end |
| SIP-URI User: | (Button) Advanced → Add a new SIP account → Username |
| SIP-over-TLS: | Advanced settings → (Security) Encrypt negotiation … CA certificate … TLS protocol method: Default (to enable TLS 1.3) … Verify incoming certificates |
| SDES-sRTP: | … Encrypt media streams … SDES for key exchange protocol … Fallback on RTP on encryption failure which is RTP/SAVP, 488, RTP/AVP (re-test required) |
| SIP-URI Host: | (Button) General → SIP server |
| Incoming Calls: | do not work via TLS (re-test required) |
| SHA-2 Digest: | does not pick MD5, continues without header Authorization, therefore is not able to register; therefore incompatible with Linphone |
| AES-256 sRTP: | accepted although not supported; therefore no audio |
| Bugs: | SIP-over-TLS without authentication (re-test required) |