[Linphone-users] Linphone rejects valid certificate

[Robert Dyck]

Version Core 4.4.0-13-gc99cb9c88 Appimage

 The server/proxy is opensips. The certificate that is installed in opensips 
works for other user agents. Linphone rejects the certificate. The certificate 
was generated by Lets Encrypt.

2020-11-08 15:23:44:071 [AppRun.wrapped/belle-sip] MESSAGE Channel 
[0x4c70290]: SSL handshake in progress...
2020-11-08 15:23:44:091 [AppRun.wrapped/belle-sip] MESSAGE Found certificate 
depth=[0], flags=[not-trusted ]:
cert. version     : 3
serial number     : 03:3D:58:6A:10:1B:E4:D8:68:7C:2F:14:41:57:D4:C9:D0:8B
issuer name       : C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
subject name      : CN=bogus.com
issued  on        : 2020-09-25 15:29:57
expires on        : 2020-12-24 15:29:57
signed using      : RSA with SHA-256
RSA key size      : 2048 bits
basic constraints : CA=false
subject alt name  : bogus.com
key usage         : Digital Signature, Key Encipherment
ext key usage     : TLS Web Server Authentication, TLS Web Client 
Authentication

2020-11-08 15:23:44:091 [AppRun.wrapped/belle-sip] ERROR Channel [0x4c70290]: 
SSL handshake failed : X509 - Certificate verification failed, e.g. CRL, CA or 
signature check failed