Index: channels/chan_dahdi.c
===================================================================
--- channels/chan_dahdi.c	(revision 145021)
+++ channels/chan_dahdi.c	(working copy)
@@ -14525,14 +14525,13 @@
 	/*< \todo why check for the pseudo in the per-channel section.
 	 * Any actual use for manual setup of the pseudo channel? */
 	if (!found_pseudo && reload == 0) {
-		/* Make sure pseudo isn't a member of any groups if
-		   we're automatically making it. */	
-		
-		confp->chan.group = 0;
-		confp->chan.callgroup = 0;
-		confp->chan.pickupgroup = 0;
+		/* use the default configuration for a channel, so
+		   that any settings from real configured channels
+		   don't "leak" into the pseudo channel config
+		*/
+		struct dahdi_chan_conf conf = dahdi_chan_conf_default();
 
-		tmp = mkintf(CHAN_PSEUDO, confp, NULL, reload);
+		tmp = mkintf(CHAN_PSEUDO, &conf, NULL, reload);
 
 		if (tmp) {
 			ast_verb(3, "Automatically generated pseudo channel\n");