[asterisk-users] Let's encrypt privkey : Specified certificate file could not be used

[Jonas Kellens]

Hello

I get the following error when using our Let's Encrypt ssl certificate 
for webRTC calls :

[Jun  2 14:29:28]   == DTLS ECDH initialized (secp256r1), faster PFS enabled
[Jun  2 14:29:28] ERROR[27360][C-00000ae5]: res_rtp_asterisk.c:1441 
ast_rtp_dtls_set_configuration: Specified certificate file 
'/etc/letsencrypt/live/ws.mydomain.tld/privkey.pem' for RTP instance 
'0x7f920c538a78' could not be used
[Jun  2 14:29:28] ERROR[27360][C-00000ae5]: chan_sip.c:5941 
dialog_initialize_dtls_srtp: Attempted to set an invalid DTLS-SRTP 
configuration on RTP instance '0x7f920c538a78'

(ws.mydomain.tld is of course masked)


Any idea why Asterisk has a problem with the certificate ?


Kind regards.


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