From 615f9192d5756e74162212671be459bf232e7dcd Mon Sep 17 00:00:00 2001
From: Yann Diorcet <yann.diorcet@belledonne-communications.com>
Date: Tue, 7 Aug 2012 18:19:50 +0200
Subject: [PATCH] Fix sip normalization with non lower case sip prefix

---
 Classes/Utils/FastAddressBook.m | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/Classes/Utils/FastAddressBook.m b/Classes/Utils/FastAddressBook.m
index 771fa1c8e..04ff318d5 100644
--- a/Classes/Utils/FastAddressBook.m
+++ b/Classes/Utils/FastAddressBook.m
@@ -68,7 +68,11 @@
 
 + (NSString*)normalizeSipURI:(NSString*)address {
     NSString* ret = address;
-    if([address rangeOfString:@"@"].location != NSNotFound && ![address hasPrefix:@"sip:"]) {
+    if([address rangeOfString:@"@"].location != NSNotFound) {
+        if([address rangeOfString:@"sip:" options:NSCaseInsensitiveSearch].location == 0) {
+            // have to be sure that start with sip: in lower case
+            ret = [ret substringFromIndex:4];
+        }
         ret = [@"sip:" stringByAppendingString:ret];
     }
     return ret;