But I am afraid it is a bug because I read something this in the below link: https://issues.asterisk.org/view.php?id=17270
But maybe this was for old driver .. again, I am afraid if it is a bug.
DAHDI Version: 2.4.1
Any advise if the below message is a bug?
[Jun 15 16:14:00] WARNING: sig_pri.c:985 pri_find_dchan: Span 1: No D-channels available! Using Primary channel as D-channel anyway!