From 836437d74f41e9976fc225643ae4b4a5570f26e3 Mon Sep 17 00:00:00 2001
From: Danmei Chen <danmei.chen@belledonne-communications.com>
Date: Thu, 28 Nov 2019 17:54:48 +0100
Subject: [PATCH] fix sip address disappeared in iphone ios13

---
 Classes/Utils/FastAddressBook.m | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/Classes/Utils/FastAddressBook.m b/Classes/Utils/FastAddressBook.m
index b14ab03b7..b2674a9ff 100644
--- a/Classes/Utils/FastAddressBook.m
+++ b/Classes/Utils/FastAddressBook.m
@@ -119,8 +119,9 @@
 
 	if (!service || [service isEqualToString:@""])
 		return [FastAddressBook isSipURI:username];
-
-	if ([service isEqualToString:LinphoneManager.instance.contactSipField])
+	
+	// use caseInsensitiveCompare, because ios13 saves "SIP" by "Sip"
+	if ([service caseInsensitiveCompare:LinphoneManager.instance.contactSipField] == NSOrderedSame)
 		return TRUE;
 
 	return FALSE;