diff -Nur dahdi-tools-2.2.0-orig/dahdi_scan.c dahdi-tools-2.2.0/dahdi_scan.c
--- dahdi-tools-2.2.0-orig/dahdi_scan.c	2009-07-23 13:23:57.000000000 +0200
+++ dahdi-tools-2.2.0/dahdi_scan.c	2009-07-23 13:24:13.000000000 +0200
@@ -71,6 +71,11 @@
 				}
 			}
 			if (!match) {
+				/*re-calculate  the basechannel for analog ports*/	
+				memset(&s, 0, sizeof(s));
+				s.spanno = x;
+				if (ioctl(ctl, DAHDI_SPANSTAT, &s)) continue;
+				basechan += s.totalchans;
 				continue;
 			}
 		}