ERROR[701071] pjproject: icess0x7fe0381ac878 ..Error sending STUN request: Network is unreachable ERROR[1513953][C-00000313] res_srtp.c: Failed to create srtp session on rtp instance (0x7fe03811d150) - cipher failure

Asterisk Asterisk WebRTC
1

Hi all,

We have a Asterisk 16 server running without any problem supporting WebRTC and SIP in which calls were working well.

But suddenly, faced issue in making calls and got the below errors.

ERROR[701071] pjproject: icess0x7fe0381ac878 …Error sending STUN request: Network is unreachable
ERROR[1513953][C-00000313] res_srtp.c: Failed to create srtp session on rtp instance (0x7fe03811d150) - cipher failure
WARNING[1513953][C-00000313] res_rtp_asterisk.c: Could not set policies when setting up DTLS-SRTP on ‘0x7fe03809a7f0’
ERROR[1513953][C-00000313] res_rtp_asterisk.c: Failed to add local source ‘0x7fe03809a7f0’
WARNING[1513953][C-00000313] res_rtp_asterisk.c: RTP Read error: No such file or directory. Hanging up.
ERROR[1513957][C-00000314] res_srtp.c: Failed to create srtp session on rtp instance (0x7fe0380582c0) - cipher failure
WARNING[1513957][C-00000314] res_rtp_asterisk.c: Could not set policies when setting up DTLS-SRTP on ‘0x7fe038225fb0’
ERROR[1513957][C-00000314] res_rtp_asterisk.c: Failed to add local source ‘0x7fe038225fb0’
WARNING[1513957][C-00000314] res_rtp_asterisk.c: RTP Read error: No such file or directory. Hanging up.
ERROR[701071] pjproject: icess0x7fe0381ac878 …Error sending STUN request: Network is unreachable
ERROR[1513960][C-00000315] res_srtp.c: Failed to create srtp session on rtp instance (0x7fe038151900) - cipher failure
WARNING[1513960][C-00000315] res_rtp_asterisk.c: Could not set policies when setting up DTLS-SRTP on ‘0x7fe03810a450’
ERROR[1513960][C-00000315] res_rtp_asterisk.c: Failed to add local source ‘0x7fe03810a450’
WARNING[1513960][C-00000315] res_rtp_asterisk.c: RTP Read error: No such file or directory. Hanging up.

kindly help me to fix it .

2

Asterisk 16 is EOL. Upgrade to a supported version.

3

Additionally things don’t just stop working. Something changed. For example, was the libsrtp library updated?

4

Restarting the server fixed the issue.
Don’t know what fixed it.
any idea over it ?

5

Hi,

Asterisk 16 is running in Ubuntu 22.04. Calls were worked fine using WebRTC.
But today I noticed call gets terminated while answered immediately, getting below error.
SIP protocol calls also not working .

ERROR[1139034][C-00000252]: res_srtp.c:532 ast_srtp_create: Failed to create srtp session on rtp instance (0x7f59bc1a23b0) - cipher failure
[Apr 26 14:35:56] WARNING[1139034][C-00000252]: res_rtp_asterisk.c:2967 dtls_srtp_add_local_ssrc: Could not set policies when setting up DTLS-SRTP on ‘0x7f59bc1e2ba0’
[Apr 26 14:35:56] ERROR[1139034][C-00000252]: res_rtp_asterisk.c:3029 dtls_srtp_setup: Failed to add local source ‘0x7f59bc1e2ba0’
[Apr 26 14:35:56] WARNING[1139034][C-00000252]: res_rtp_asterisk.c:7699 ast_rtp_read: RTP Read error: No such file or directory. Hanging up.
– Channel PJSIP/5045-00000469 left ‘simple_bridge’ basic-bridge <128896b7-956f-46ae-9b93-3526970cc45f>
– Channel PJSIP/5001-00000468 left ‘simple_bridge’ basic-bridge <128896b7-956f-46ae-9b93-3526970cc45f>
== Spawn extension (from-internal, 5045, 4) exited non-zero on ‘PJSIP/5001-00000468’
[Apr 26 14:35:56] ERROR[896]: cdr_csv.c:275 writefile: Unable to open file /var/log/asterisk//cdr-csv//Master.csv : No such file or directory
[Apr 26 14:35:56] WARNING[896]: cdr_csv.c:308 csv_log: Unable to write CSV record to master ‘/var/log/asterisk//cdr-csv//Master.csv’ : No such file or directory

6

Network is unreachable and Unable to open file /var/log/asterisk//cdr-csv//Master.csv : No such file or directory

You have 2 problems here. Did tou check if network is working and if this file exist ?

7

yes network is reachable, that makes the call to work.

8

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