From 5c9afd38f066bc428bb50d5a0782bd7408f54be7 Mon Sep 17 00:00:00 2001
From: Piotr Krysik <ptrkrysik@gmail.com>
Date: Thu, 18 Aug 2016 18:57:02 +0200
Subject: TCH/F decoding correction - less wrong messages interpreted as voice
 frames

---
 lib/decoding/tch_f_decoder_impl.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'lib/decoding/tch_f_decoder_impl.cc')

diff --git a/lib/decoding/tch_f_decoder_impl.cc b/lib/decoding/tch_f_decoder_impl.cc
index cc88c90..41e5f53 100644
--- a/lib/decoding/tch_f_decoder_impl.cc
+++ b/lib/decoding/tch_f_decoder_impl.cc
@@ -266,8 +266,8 @@ namespace gr {
                 // check parity of class 1A
                 unsigned sentParity = (~mTCHU.peekField(91, 3)) & 0x07;
                 unsigned calcParity = mClass1A_d.parity(mTCHParity) & 0x07;
-
-                bool good = (sentParity == calcParity);
+                unsigned tail = mTCHU.peekField(185, 4);
+                bool good = (sentParity == calcParity) && (tail == 0);
 
                 if (good)
                 {
-- 
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