diff --git a/include/ifax/module.h b/include/ifax/module.h
index a9997ac..171fb24 100644
--- a/include/ifax/module.h
+++ b/include/ifax/module.h
@@ -129,4 +129,7 @@ void ifax_handle_demand(struct ifax_module *self, size_t len);
  */
 int ifax_command(struct ifax_module *self, int command, ...);
 
+/* Establish a signal chain from src-module to dst-module */
+void ifax_connect(struct ifax_module *src, struct ifax_module *dst);
+
 #endif
diff --git a/lib/module.c b/lib/module.c
index e594796..27e594f 100644
--- a/lib/module.c
+++ b/lib/module.c
@@ -123,3 +123,12 @@ int ifax_command(struct ifax_module *self, int command, ...)
 	return rc;
 }
 
+/* Make a connection in a chain of signal-processing modules and update
+ * both forward and backward pointers.  The direction of the flow of data
+ * is from the source module to the destination module.
+ */
+void ifax_connect(struct ifax_module *src, struct ifax_module *dst)
+{
+	src->sendto = dst;
+	dst->recvfrom = src;
+}