[Asterisk-Users] Prodding channel h323

[Pavel Jezek]

hello, sometimes per day, below messages appears in my asterisk/messages 
log...
any suggestion, what this mean? thx
PJ


Mar 20 07:57:53 WARNING[4672] channel.c: Prodding channel 
'H323/ip$172.20.1.11:53473/331' failed
Mar 20 07:57:53 NOTICE[14280] chan_h323.c: Avoiding H.323 destory 
deadlock on ip$172.20.1.11:53473/331
Mar 20 07:57:53 NOTICE[14280] chan_h323.c: Avoiding H.323 destory 
deadlock on ip$172.20.1.11:53473/331