Index: channels/chan_zap.c
===================================================================
--- channels/chan_zap.c	(revision 114062)
+++ channels/chan_zap.c	(working copy)
@@ -9140,11 +9140,14 @@
 	ast_mutex_unlock(&linkset->lock);
 	c = zt_new(p, AST_STATE_RING, 1, SUB_REAL, law, 0);
 	ast_mutex_lock(&linkset->lock);
+
 	if (c)
 		ast_verb(3, "Accepting call to '%s' on CIC %d\n", p->exten, p->cic);
 	else
 		ast_log(LOG_WARNING, "Unable to start PBX on CIC %d\n", p->cic);
 
+	zt_enable_ec(p);
+
 	if (!ast_strlen_zero(p->charge_number)) {
 		pbx_builtin_setvar_helper(c, "SS7_CHARGE_NUMBER", p->charge_number);
 		/* Clear this after we set it */