| SIP-URI User: | Settings → Accounts → Username |
| SIP-URI Host: | … Domain |
| SIP-over-TLS: | … Advanced → Transport: tls (sip) |
| SDES-sRTP: | … Advanced → Secure Calls → (SDES) Outgoing Calls: Best Effort which is RTP/SAVP + RTP/AVP |
| SHA-2 Digest: | supports SHA-256 but answers with MD5 as well which creates two Authorization headers, which questions SHA-256 support |
| Bugs: | ECDHE curves with less than 224 bit Mitigation: Settings → Preferences → Security → TLS → Elliptic Curves |
| Privacy: | app phones to Google Analytics for Firebase and Google Firebase Crashlytics |