Received indicate from Asterisk with unknown condition 20

[Sonie]

Ich bastle an meinem Asterisk, er läuft hier unter Gentoo mit einer Netcolenge ISDN und Voip-Telefonen von Thomson. Ich habe aber folgende Fehlermeldung, wo ich nichts zu finde....

Using SIP VRTP CoS mark 6
    -- Executing [08002848283@intern:1] Macro("SIP/Tischfon1-08448d58", "DIAL-OUT,LCR/mISDNextern/08002848283/eoslec:s&SIP/08002848283@arcor_1658081120") in new stack
    -- Executing [s@macro-DIAL-OUT:1] Dial("SIP/Tischfon1-08448d58", "LCR/mISDNextern/08002848283/eoslec:s,120,,/s") in new stack
    -- Called mISDNextern/08002848283/eoslec:s
    -- lcr/2 is making progress passing it to SIP/Tischfon1-08448d58
    -- lcr/2 is proceeding passing it to SIP/Tischfon1-08448d58
    -- lcr/2 is ringing
    -- lcr/2 answered SIP/Tischfon1-08448d58
[Nov 12 15:12:26] ERROR[6717]: chan_lcr.c:2277 lcr_indicate: [call=7 ast=lcr/2] Received indicate from Asterisk with unknown condition 20.
[Nov 12 15:12:40] ERROR[6717]: chan_lcr.c:2277 lcr_indicate: [call=7 ast=lcr/2] Received indicate from Asterisk with unknown condition 20.
[Nov 12 15:12:40] ERROR[6717]: chan_lcr.c:2277 lcr_indicate: [call=7 ast=lcr/2] Received indicate from Asterisk with unknown condition 20.
[Nov 12 15:12:40] ERROR[6717]: chan_lcr.c:2277 lcr_indicate: [call=7 ast=lcr/2] Received indicate from Asterisk with unknown condition 20.
[Nov 12 15:12:40] ERROR[6717]: chan_lcr.c:2277 lcr_indicate: [call=7 ast=lcr/2] Received indicate from Asterisk with unknown condition 20.
[Nov 12 15:12:40] ERROR[6717]: chan_lcr.c:2277 lcr_indicate: [call=7 ast=lcr/2] Received indicate from Asterisk with unknown condition 20.
[Nov 12 15:12:40] ERROR[6717]: chan_lcr.c:2277 lcr_indicate: [call=7 ast=lcr/2] Received indicate from Asterisk with unknown condition 20.
[Nov 12 15:12:41] ERROR[6717]: chan_lcr.c:2277 lcr_indicate: [call=7 ast=lcr/2] Received indicate from Asterisk with unknown condition 20.
[Nov 12 15:12:41] ERROR[6717]: chan_lcr.c:2277 lcr_indicate: [call=7 ast=lcr/2] Received indicate from Asterisk with unknown condition 20.
[Nov 12 15:12:53] ERROR[6717]: chan_lcr.c:2277 lcr_indicate: [call=7 ast=lcr/2] Received indicate from Asterisk with unknown condition 20.

Gespräch bricht nicht ab, aber Tonqualität ist komisch, und die Fehlermeldung nervt. Hilft mit jemand beim Fehler-beseitigen?