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-rw-r--r--mISDN.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/mISDN.cpp b/mISDN.cpp
index 3e1d0e4..f228906 100644
--- a/mISDN.cpp
+++ b/mISDN.cpp
@@ -1534,7 +1534,7 @@ void PmISDN::set_echotest(int echo)
*/
void PmISDN::set_tone(const char *dir, const char *tone)
{
- int id;
+ int id = TONE_OFF;
if (!tone)
tone = "";