From 36b2c752da8cee3695027a188ded56b5aae07474 Mon Sep 17 00:00:00 2001
From: Hoan Luu Huu <110280845+xquanluu@users.noreply.github.com>
Date: Wed, 18 Jan 2023 22:33:01 +0700
Subject: [PATCH] fix: B2B uac parse Signal 0 (#59)

Co-authored-by: Quan HL <quanluuhoang8@gmail.com>
---
 lib/call-session.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/call-session.js b/lib/call-session.js
index dd5966f..1c58047 100644
--- a/lib/call-session.js
+++ b/lib/call-session.js
@@ -758,7 +758,7 @@ Duration=${payload.duration} `
         }
       }
       else if (dlg.type === 'uac' && ['application/dtmf-relay', 'application/dtmf'].includes(contentType)) {
-        const arr = /Signal=\s*([1-9#*])/.exec(req.body);
+        const arr = /Signal=\s*([0-9#*])/.exec(req.body);
         if (!arr) {
           this.logger.info({body: req.body}, '_onInfo: invalid INFO dtmf request');
           throw new Error(`_onInfo: no dtmf in body for ${contentType}`);