From fd05a7601b8197c9d98ec52352c10473a85af3d9 Mon Sep 17 00:00:00 2001
From: Ralf Becker <ralfbecker@outdoor-training.de>
Date: Fri, 17 Jul 2015 06:38:40 +0000
Subject: [PATCH] trying to avoid empty ENCODING I can not reproduce, but
 happening for some customers: TEL;TYPE="VOICE,WORK";ENCODING=:+49 (30) 123
 4567

---
 addressbook/inc/class.addressbook_vcal.inc.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/addressbook/inc/class.addressbook_vcal.inc.php b/addressbook/inc/class.addressbook_vcal.inc.php
index b734b67667..e9508342d4 100644
--- a/addressbook/inc/class.addressbook_vcal.inc.php
+++ b/addressbook/inc/class.addressbook_vcal.inc.php
@@ -369,7 +369,7 @@ class addressbook_vcal extends addressbook_bo
 								}
 								elseif (!$extra_charset_attribute)
 								{
-									$options['ENCODING'] = '';
+									unset($options['ENCODING']);
 								}
 							}
 							$hasdata++;
@@ -448,7 +448,7 @@ class addressbook_vcal extends addressbook_bo
 								}
 								elseif (!$extra_charset_attribute)
 								{
-									$options['ENCODING'] = '';
+									unset($options['ENCODING']);
 								}
 							}
 							if ($vcardField == 'TEL' && $entry['tel_prefer'] &&