diff --git a/app/call_center/call_center_agent_edit.php b/app/call_center/call_center_agent_edit.php
index ec9bd8595b..1414a6b1ad 100644
--- a/app/call_center/call_center_agent_edit.php
+++ b/app/call_center/call_center_agent_edit.php
@@ -22,6 +22,7 @@
 
 	Contributor(s):
 	Mark J Crane <markjcrane@fusionpbx.com>
+	Luis Daniel Lucio Quiroz <dlucio@okay.com.mx>
 */
 require_once "root.php";
 require_once "resources/require.php";
@@ -366,7 +367,7 @@ if (count($_POST)>0 && strlen($_POST["persistformvar"]) == 0) {
 	echo "	".$text['label-type'].":\n";
 	echo "</td>\n";
 	echo "<td class='vtable' align='left'>\n";
-	echo "	<input class='formfld' type='text' name='agent_type' maxlength='255' value=\"$agent_type\">\n";
+	echo "	<input class='formfld' type='text' name='agent_type' maxlength='255' value=\"$agent_type\" pattern='^(callback|uuid-standby)$'>\n";
 	echo "<br />\n";
 	echo $text['description-type']."\n";
 	echo "</td>\n";
@@ -377,7 +378,7 @@ if (count($_POST)>0 && strlen($_POST["persistformvar"]) == 0) {
 	echo "	".$text['label-call_timeout'].":\n";
 	echo "</td>\n";
 	echo "<td class='vtable' align='left'>\n";
-	echo "  <input class='formfld' type='text' name='agent_call_timeout' maxlength='255' value='$agent_call_timeout'>\n";
+	echo "  <input class='formfld' type='number' name='agent_call_timeout' maxlength='255' min='1' step='1' value='$agent_call_timeout'>\n";
 	echo "<br />\n";
 	echo $text['description-call_timeout']."\n";
 	echo "</td>\n";
@@ -438,7 +439,7 @@ if (count($_POST)>0 && strlen($_POST["persistformvar"]) == 0) {
 	echo "	".$text['label-no_answer_delay_time'].":\n";
 	echo "</td>\n";
 	echo "<td class='vtable' align='left'>\n";
-	echo "  <input class='formfld' type='text' name='agent_no_answer_delay_time' maxlength='255' value='$agent_no_answer_delay_time'>\n";
+	echo "  <input class='formfld' type='number' name='agent_no_answer_delay_time' maxlength='255' min='1' step='1' value='$agent_no_answer_delay_time'>\n";
 	echo "<br />\n";
 	echo $text['description-no_answer_delay_time']."\n";
 	echo "</td>\n";
@@ -449,7 +450,7 @@ if (count($_POST)>0 && strlen($_POST["persistformvar"]) == 0) {
 	echo "	".$text['label-max_no_answer'].":\n";
 	echo "</td>\n";
 	echo "<td class='vtable' align='left'>\n";
-	echo "  <input class='formfld' type='text' name='agent_max_no_answer' maxlength='255' value='$agent_max_no_answer'>\n";
+	echo "  <input class='formfld' type='number' name='agent_max_no_answer' maxlength='255' min='0' step='1' value='$agent_max_no_answer'>\n";
 	echo "<br />\n";
 	echo $text['description-max_no_answer']."\n";
 	echo "</td>\n";
@@ -460,7 +461,7 @@ if (count($_POST)>0 && strlen($_POST["persistformvar"]) == 0) {
 	echo "	".$text['label-wrap_up_time'].":\n";
 	echo "</td>\n";
 	echo "<td class='vtable' align='left'>\n";
-	echo "  <input class='formfld' type='text' name='agent_wrap_up_time' maxlength='255' value='$agent_wrap_up_time'>\n";
+	echo "  <input class='formfld' type='number' name='agent_wrap_up_time' maxlength='255' min='1' step='1' value='$agent_wrap_up_time'>\n";
 	echo "<br />\n";
 	echo $text['description-wrap_up_time']."\n";
 	echo "</td>\n";
@@ -471,7 +472,7 @@ if (count($_POST)>0 && strlen($_POST["persistformvar"]) == 0) {
 	echo "	".$text['label-reject_delay_time'].":\n";
 	echo "</td>\n";
 	echo "<td class='vtable' align='left'>\n";
-	echo "  <input class='formfld' type='text' name='agent_reject_delay_time' maxlength='255' value='$agent_reject_delay_time'>\n";
+	echo "  <input class='formfld' type='number' name='agent_reject_delay_time' maxlength='255' min='1' step='1' value='$agent_reject_delay_time'>\n";
 	echo "<br />\n";
 	echo $text['description-reject_delay_time']."\n";
 	echo "</td>\n";
@@ -482,7 +483,7 @@ if (count($_POST)>0 && strlen($_POST["persistformvar"]) == 0) {
 	echo "	".$text['label-busy_delay_time'].":\n";
 	echo "</td>\n";
 	echo "<td class='vtable' align='left'>\n";
-	echo "  <input class='formfld' type='text' name='agent_busy_delay_time' maxlength='255' value='$agent_busy_delay_time'>\n";
+	echo "  <input class='formfld' type='number' name='agent_busy_delay_time' maxlength='255' min='1' step='1' value='$agent_busy_delay_time'>\n";
 	echo "<br />\n";
 	echo $text['description-busy_delay_time']."\n";
 	echo "</td>\n";