| SIP-URI User: | Settings → SIP Accounts → Username |
| SIP-URI Host: | Settings → SIP Accounts → Domain … More options → Outbound proxy: Off |
| SIP-over-TLS: | Settings → SIP Accounts → Transport: TLS |
| SDES-sRTP: | Settings → Network → Media Encryption → SRTP which is RTP/SAVP, 488, RTP/AVP |
| SHA-2 Digest: | does not pick MD5 if there is an unknown algorithm, continues without header Authorization; therefore not future proof |
| Bugs: | ECDHE curves with less than 224 bit |
| Privacy: | app phones home to subscribe.linphone.org in UNIX, the metadata of every call gets logged Mitigation: in the file ~/.config/linphone/linphonerc, change quality_reporting_enabled |