From b1040a9c594b8ee8bd1cdc75582db132244f025b Mon Sep 17 00:00:00 2001
From: Sara Damiano <sdamiano@stroudcenter.org>
Date: Fri, 6 Sep 2019 20:35:30 -0400
Subject: [PATCH] extra mux warning

---
 src/TinyGsmClientXBee.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/TinyGsmClientXBee.h b/src/TinyGsmClientXBee.h
index f978279..e1369d2 100644
--- a/src/TinyGsmClientXBee.h
+++ b/src/TinyGsmClientXBee.h
@@ -959,6 +959,10 @@ public:
                     bool ssl = false) {
     bool success = true;
 
+    if (mux != 0) {
+      DBG("XBee only supports 1 IP channel in transparent mode!");
+    }
+
     // empty the saved currelty-in-use destination address
     savedOperatingIP = IPAddress(0, 0, 0, 0);