Index: channels/sig_pri.c
===================================================================
--- channels/sig_pri.c	(revision 334845)
+++ channels/sig_pri.c	(working copy)
@@ -5222,6 +5222,7 @@
 							sig_pri_handle_subcmds(pri, chanpos, e->e, e->ring.channel,
 								e->ring.subcmds, e->ring.call);
 
+#if 0	/* Don't send PROGRESS to announce dialtone. */
 							if (!pri->pvts[chanpos]->digital
 								&& !pri->pvts[chanpos]->no_b_channel) {
 								/*
@@ -5237,6 +5238,7 @@
 									PVT_TO_CHANNEL(pri->pvts[chanpos]), 1);
 #endif
 							}
+#endif
 						}
 						if (c && !ast_pthread_create_detached(&threadid, NULL, pri_ss_thread, pri->pvts[chanpos])) {
 							ast_verb(3, "Accepting overlap call from '%s' to '%s' on channel %d/%d, span %d\n",