After a time I receive the following error when a call comes in on our OpenZap span 2: parse error [-3012] [Q931E_INVALID_CRV] Here's the log 2009-01-14 13:14:11 [DEBUG] ozmod_isdn.c:320 zap_isdn_931_34() Yay I got an event! Type:[4d] Size:[103] CRV: 23 (0x17, CTX: Originator) 2009-01-14 13:14:11 [DEBUG] ozmod_isdn.c:352 zap_isdn_931_34() zchan 0 (-1:-1) source isdn_data->channels_remote_crv[0x17] 2009-01-14 13:14:11 [CRIT] ozmod_isdn.c:446 zap_isdn_931_34() Received Release with no matching channel 0 2009-01-14 13:14:11 [DEBUG] ozmod_isdn.c:781 zap_isdn_921_23() 931 parse error [-3012] [Q931E_INVALID_CRV] 2009-01-14 13:14:15 [DEBUG] ozmod_isdn.c:777 zap_isdn_921_23() READ 5 -------------------------------------------------------------------------------- When freeswitch is restarted or mod_openzap is reloaded, the error is gone away. Any idea what this can be? Best regards Peter