[SR-Users] No audio when calling from SIP to WEBRTC

[Daniel-Constantin Mierla]

Hello,

you trimmed the output, but I guess that the connection stayed open and
no errors were printed in kamailio logs.

That means, kamailio is doing ok. If the web browser has issues
connecting over tls, then the problem is somewhere else. Check the
logs/console of the browser to see if you get any hints there.

You can also list the tcp/tls connection via RPC and see if the
connection you expect is there.

Cheers,
Daniel

On 20.05.20 10:30, Chirag Desai wrote:
> Hi Daniel,
>
> This is the result:
>
> openssl s_client -connect sip.mydomain.com:5061
> <http://sip.mydomain.com:5061> -tlsextdebug
>
>
> CONNECTED(00000005)
> TLS server extension "supported versions" (id=43), len=2
> 0000 - 03 04                                             ..
> TLS server extension "key share" (id=51), len=36
> 0000 - 00 1d 00 20 3b 06 9a e5-21 16 73 b1 db 04 55 47   ... ;.
> ..!.s...UG
> 0010 - 33 5a e0 98 af bf ba 3e-e6 0d 69 40 38 f8 c8 0b   3Z....
> .>..i at 8...
> 0020 - ed 79 f2 48                                       .y.H
> TLS server extension "server name" (id=0), len=0
> depth=2 O = Digital Signature Trust Co., CN = DST Root CA X3
> verify return:1
> depth=1 C = US, O = Let's Encrypt, CN = Let's Encrypt Authority
>  X3
> verify return:1
> depth=0 CN = sip.mydomain.com <http://sip.mydomain.com>
> verify return:1
> ---
> Certificate chain
>  0 s:CN = sip.mydomain.com <http://sip.mydomain.com>
>    i:C = US, O = Let's Encrypt, CN = Let's Encrypt Authority X3
>  1 s:C = US, O = Let's Encrypt, CN = Let's Encrypt Authority X3
>    i:O = Digital Signature Trust Co., CN = DST Root CA X3
> ---
> Server certificate
> -----BEGIN CERTIFICATE-----
>
> [REDACTED]
>
> -----END CERTIFICATE-----
> subject=CN = sip.mydomain.com <http://sip.mydomain.com>
>
> issuer=C = US, O = Let's Encrypt, CN = Let's Encrypt Authority
> X3
>
> ---
> No client certificate CA names sent
> Peer signing digest: SHA256
> Peer signature type: RSA-PSS
> Server Temp Key: X25519, 253 bits
> ---
> SSL handshake has read 3115 bytes and written 400 bytes
> Verification: OK
> ---
> New, TLSv1.3, Cipher is TLS_AES_256_GCM_SHA384
> Server public key is 2048 bit
> Secure Renegotiation IS NOT supported
> Compression: NONE
> Expansion: NONE
> No ALPN negotiated
> Early data was not sent
> Verify return code: 0 (ok)
> ---
> read:errno=0
>
>
-- 
Daniel-Constantin Mierla -- www.asipto.com
www.twitter.com/miconda -- www.linkedin.com/in/miconda
Funding: https://www.paypal.me/dcmierla

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