diff --git a/templates/default/voipaccount/voipaccountaddbox.html b/templates/default/voipaccount/voipaccountaddbox.html
index 10d9c75ea1..5524e870d9 100644
--- a/templates/default/voipaccount/voipaccountaddbox.html
+++ b/templates/default/voipaccount/voipaccountaddbox.html
@@ -60,7 +60,7 @@
                     {trans("Login:")}
                 </td>
                 <td>
-                    <input type="text" id="voip-login" name="voipaccountdata[login]" value="{$voipaccountdata.login}" maxlength="32" size="20" {tip text="Enter VoIP account login" trigger="login" bold=1}>
+                    <input type="text" id="voip-login" name="voipaccountdata[login]" value="{$voipaccountdata.login}" maxlength="32" size="20" {tip text="Enter VoIP account login" trigger="login" bold=1} required>
                 </td>
             </tr>
             {/block}
@@ -84,7 +84,7 @@
                                                     {trans("Password:")}
                                                 </td>
                                                 <td>
-                                                    <input type="{if ConfigHelper::checkPrivilege('hide_voip_passwords')}password{else}text{/if}" name="voipaccountdata[passwd]" value="{$voipaccountdata.passwd}" {tip text="Enter password" trigger="passwd"}>
+                                                    <input type="{if ConfigHelper::checkPrivilege('hide_voip_passwords')}password{else}text{/if}" name="voipaccountdata[passwd]" value="{$voipaccountdata.passwd}" {tip text="Enter password" trigger="passwd"} required>
                                                     <a href="#" id="genpasswd"  {tip text="Click to generate random password"}>&raquo;&raquo;&raquo;</a>
                                                 </td>
                                             </tr>
@@ -102,7 +102,7 @@
                                                                 <input type="tel" name="voipaccountdata[numbers][0][phone]"
                                                                     value="{$voipaccountdata.numbers[0].phone}"
                                                                     placeholder="{trans("<!phone>number")}"
-                                                                    {tip class="phone-number" trigger="phone-number-0"}>
+                                                                    {tip class="phone-number" trigger="phone-number-0"} required>
                                                                 <input type="search" name="voipaccountdata[numbers][0][info]"
                                                                     value="{$voipaccountdata.numbers[0].info|default:""|escape}"
                                                                     placeholder="{trans("description")}"
@@ -124,7 +124,7 @@
                                                                     <td>
                                                                         <input type="tel" name="voipaccountdata[numbers][{$k}][phone]"
                                                                             value="{$v.phone}" placeholder="{trans("<!phone>number")}"
-                                                                            {tip trigger="phone-number-{$k}"}>
+                                                                            {tip trigger="phone-number-{$k}"} required>
                                                                         <input type="search" name="voipaccountdata[numbers][{$k}][info]"
                                                                             value="{$v.info|default:""|escape}"
                                                                             class="phone-info" placeholder="{trans("description")}"
@@ -340,7 +340,8 @@
         $('#add_number').on('click', function () {
             var table = $('#phone_numbers_table');
             var i = table.find('[type="tel"]').length;
-            var phone_number_input = '<input type="tel" name="voipaccountdata[numbers][' + i +'][phone]" class="phone-number" placeholder="{trans("<!phone>number")}" {tip trigger="phone-number"}>' +
+            var phone_number_input = '<input type="tel" name="voipaccountdata[numbers][' + i +'][phone]"' +
+                ' class="phone-number" placeholder="{trans("<!phone>number")}" {tip trigger="phone-number"} required>' +
                 '<input type="search" name="voipaccountdata[numbers][' + i + '][info]" class="phone-info" placeholder="{trans("description")}" autocomplete="off" {tip trigger="phone-info"}>';
             table.append('<tr class="row"><td>' + phone_number_input + '</td><td><div>' + pool_number_select + ' ' + remove_number + '</div></td></tr>');
             var numbers = table.find('.remove-number');
diff --git a/templates/default/voipaccount/voipaccounteditbox.html b/templates/default/voipaccount/voipaccounteditbox.html
index fe2bd3ea29..7e8a2b1a6a 100644
--- a/templates/default/voipaccount/voipaccounteditbox.html
+++ b/templates/default/voipaccount/voipaccounteditbox.html
@@ -63,7 +63,8 @@
                     {trans("Login:")}
                 </td>
                 <td>
-                    <input type="text" name="voipaccountedit[login]" value="{$voipaccountinfo.login}" maxlength="32" size="30" {tip text="Enter VoIP account login" trigger="login" bold=1}>
+                    <input type="text" name="voipaccountedit[login]" value="{$voipaccountinfo.login}" maxlength="32"
+                           size="30"{tip text="Enter VoIP account login" trigger="login" bold=1} required>
                     ({$voipaccountinfo.id|string_format:"%04d"})
                 </td>
             </tr>
@@ -91,7 +92,7 @@
                                                 {trans("Password:")}
                                             </td>
                                             <td>
-                                                <input type="{if ConfigHelper::checkPrivilege('hide_voip_passwords')}password{else}text{/if}" name="voipaccountedit[passwd]" value="{$voipaccountinfo.passwd}" {tip text="Enter password" trigger="passwd"}>
+                                                <input type="{if ConfigHelper::checkPrivilege('hide_voip_passwords')}password{else}text{/if}" name="voipaccountedit[passwd]" value="{$voipaccountinfo.passwd}" {tip text="Enter password" trigger="passwd"} required>
                                                 <a href="#" id="genpasswd"  {tip text="Click to generate random password"}>&raquo;&raquo;&raquo;</a>
                                             </td>
                                         </tr>
@@ -378,7 +379,8 @@
         $('#add_number').on('click', function () {
             var table = $('#phone_numbers_table');
             var i = table.find('[type="tel"]').length;
-            var phone_number_input = '<input type="tel" name="voipaccountedit[numbers][' + i +'][phone]" class="phone-number" placeholder="{trans("<!phone>number")}" {tip trigger="phone-number"}>' +
+            var phone_number_input = '<input type="tel" name="voipaccountedit[numbers][' + i +'][phone]"' +
+                ' class="phone-number" placeholder="{trans("<!phone>number")}" {tip trigger="phone-number"} required>' +
                 '<input type="search" name="voipaccountedit[numbers][' + i + '][info]" class="phone-info" placeholder="{trans("description")}" autocomplete="off" {tip trigger="phone-info"}>';
             table.append('<tr class="row"><td>' + phone_number_input + '</td><td><div>' + pool_number_select + ' ' + remove_number + '</div></td></tr>');
             var numbers = table.find('.remove-number');
diff --git a/templates/default/voipaccount/voipaccountinfobox.html b/templates/default/voipaccount/voipaccountinfobox.html
index 4d2a80e03d..a5d8fa3040 100644
--- a/templates/default/voipaccount/voipaccountinfobox.html
+++ b/templates/default/voipaccount/voipaccountinfobox.html
@@ -60,7 +60,7 @@
                                         {trans("Password:")}
                                     </td>
                                     <td class="nobr">
-                                        {if ConfigHelper::checkPrivilege('hide_voip_passwords')}{'*'|str_repeat:8}{else}{$voipaccountinfo.passwd}{/if}
+                                        {if !ConfigHelper::checkConfig('privileges.hide_voip_passwords')}{$voipaccountinfo.passwd}{else}{'*'|str_repeat:8}{/if}
                                     </td>
                                 </tr>
                                 {/block}
diff --git a/templates/default/voipaccount/voipaccountlist.html b/templates/default/voipaccount/voipaccountlist.html
index bb52033dec..349c627e7e 100644
--- a/templates/default/voipaccount/voipaccountlist.html
+++ b/templates/default/voipaccount/voipaccountlist.html
@@ -104,7 +104,7 @@ <h1>{$layout.pagetitle}</h1>
                 {/foreach}
             </td>
             <td onClick="return self.location.href = '?m=voipaccountinfo&amp;id={$voipaccountlist[voipaccountlist].id}';" valign="top" nowrap>
-                {if ConfigHelper::checkPrivilege('hide_voip_passwords')}{'*'|str_repeat:8}{else}{$voipaccountlist[voipaccountlist].passwd}{/if}
+                {if !ConfigHelper::checkConfig('privileges.hide_voip_passwords')}{$voipaccountlist[voipaccountlist].passwd}{else}{'*'|str_repeat:8}{/if}
             </td>
             <td align="right" class="nobr">
 					<a href="?m=voipaccountbillinglist&amp;id={$voipaccountlist[voipaccountlist].id}">