[asterisk-bugs] [JIRA] (ASTERISK-23392) Fax CNG detection when no apparent CNG present in inbound audio stream

[Rusty Newton (JIRA)]

Rusty Newton created ASTERISK-23392:
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             Summary: Fax CNG detection when no apparent CNG present in inbound audio stream
                 Key: ASTERISK-23392
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-23392
             Project: Asterisk
          Issue Type: Bug
      Security Level: None
          Components: Applications/app_fax, Resources/res_fax_spandsp
    Affects Versions: 1.8.22.0
         Environment: CentOS release 5.6 32 bit.

            Reporter: David Cunningham
            Severity: Minor


We have an Asterisk system with "faxdetect = yes" in sip.conf and sometimes a call is suddenly redirected to the 'fax' extension even though there's no fax tone in the audio. Eg:

[Jan 13 12:47:52] VERBOSE[12712] chan_sip.c:   == Redirecting 'SIP/product-local-000065d0' to fax extension due to CNG detection

We can provide a PCAP with audio and an Asterisk full log if required. Thanks.


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