[asterisk-bugs] [JIRA] (ASTERISK-25684) noise instead of audio on slin codec with translation

[Victor Sverdlin (JIRA)]

Victor Sverdlin created ASTERISK-25684:
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             Summary: noise  instead of audio on slin codec with translation
                 Key: ASTERISK-25684
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-25684
             Project: Asterisk
          Issue Type: Bug
      Security Level: None
          Components: Codecs/General
    Affects Versions: 13.6.0, 13.4.0, 13.1.0
         Environment: Ubuntu 14.4 i686 3.19.0-42 on VMware WS 10
FreeBSD 10.2 i386 on VirtualBox 5.0.10
Ubuntu 14.4 i686 3.19.0 on bare hw (intel core i5)

            Reporter: Victor Sverdlin


Then one peer is slin (L16/8000) or slin16 (L16/16000) and second peer is other codec (tested with ulaw, gsm and speex) slin peer listen only noise. Noise disappear if other peer muted. Slin peer can listen voice if signal is gained down by AGC set to 10 and less (anyway sound is distorted).

Both peers use sip channel.

Testes with several peers:
- slin: MicroSIP 3.10.9, custom HW device
- other: antiSIP 4.2.9 (Android), SFLphone 1.3.0, Zoiper 3.3.25608

Asterisk compiled with gcc 4.8.5(FreeBSD) and 4.8.4(Ubuntu).
On Ubuntu Asterisk compiled with DONT_OPTIMIZE option.

RTP capture will be attached.



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