Documentation of error codes

General Help
1

Hi,
I am seeing errors like this in my logs:

SRTP unprotect failed on SSRC 759231667 because of authentication failure 10

Can someone point to the definitive source of what a failure 10 is and any other values that occur - am also seeing 160. I am working with a hardware vendor and this may link to checksum problems, versions of libraries etc.

2

That’s from the third party libsrtp library itself, so that would be the place to look.

3

The general consensus in google is to reduce your codecs.

4

Thanks - am already quite a short list! PCMA and U! I think it may be the vendor on the other end hasn’t implemented SIPS support. The 10 error code is documented as a replay issue the 160 I am trying to track down

5

Cisco are saying ‘not us guv’
https://github.com/cisco/libsrtp/issues/708

6

Please provide the actual complete error message involving “160”.

7

SRTP unprotect failed on SSRC 673057028 because of authentication failure 160

8

Ah, looking deeper into it that’s not the error code. That’s a counter of warnings. There’s also a large comment in the code about authentication failure[1].

[1] asterisk/res/res_srtp.c at master · asterisk/asterisk · GitHub

9

Thank you that’s really helpful - would be nice to add that to the log!!
Let me work with the other end and figure out what libraries etc they are using

10

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