diff --git a/q931.c b/q931.c
index cb89b16..4287c6b 100644
--- a/q931.c
+++ b/q931.c
@@ -3042,10 +3042,19 @@ static q931_call *q931_getcall(struct pri *ctrl, int cr)
 	prev = NULL;
 	while (cur) {
 		if (cur->cr == cr) {
-			if (!ctrl->bri && ctrl->switchtype != PRI_SWITCH_GR303_EOC_PATH
-				&& ctrl->switchtype != PRI_SWITCH_GR303_TMC_SWITCHING
-				&& cur->pri != ctrl) {
-				cur->pri = ctrl;
+			/* Found existing call. */
+			switch (ctrl->switchtype) {
+			case PRI_SWITCH_GR303_EOC:
+			case PRI_SWITCH_GR303_EOC_PATH:
+			case PRI_SWITCH_GR303_TMC:
+			case PRI_SWITCH_GR303_TMC_SWITCHING:
+				break;
+			default:
+				if (!ctrl->bri) {
+					/* PRI is set to whoever called us */
+					cur->pri = ctrl;
+				}
+				break;
 			}
 			return cur;
 		}