asterisk users - Sep 2003 - Strange warnings from chan_zap

Hi all,

so what does these messages that i get once in a while mean?
(Im running with a TE410P)

WARNING[1167306032]: File chan_zap.c, Line 5436 (pri_fixup): Can't fix up
channel from 15 to 17 because 17 is already in use
WARNING[1167306032]: File chan_zap.c, Line 6064 (pri_dchannel): Hangup on bad
channel 17
WARNING[1167306032]: File chan_zap.c, Line 5436 (pri_fixup): Can't fix up
channel from 15 to 17 because 17 is already in use
WARNING[1167306032]: File chan_zap.c, Line 6064 (pri_dchannel): Hangup on bad
channel 17

After the messages the channel is still up and running.

	/Chris