diff --git a/roles/kea/templates/kea/kea-dhcp4.conf.j2 b/roles/kea/templates/kea/kea-dhcp4.conf.j2
index 7a64253..03a5a90 100644
--- a/roles/kea/templates/kea/kea-dhcp4.conf.j2
+++ b/roles/kea/templates/kea/kea-dhcp4.conf.j2
@@ -133,7 +133,7 @@
 
     "client-classes": [
         {
-            "name": "voip-phone",
+            "name": "cisco-phone",
             "option-data": [
                 {
                     "name": "tftp-server-name",
@@ -142,6 +142,16 @@
             ]
         },
 
+        {
+            "name": "yealink-phone",
+            "option-data": [
+                {
+                    "name": "tftp-server-name",
+                    "data": "tftp://172.23.2.36/yealink/$PN"
+                }
+            ]
+        },
+
         {
             "name": "dect-rfp",
             "option-data": [
@@ -325,27 +335,57 @@
                 },
 
                 {
-                    "hw-address": "00:1D:45:B6:99:2F",
+                    "hw-address": "00:15:65:94:df:39",
                     "hostname": "voip01",
-                    "client-classes": [ "voip-phone" ]
+                    "client-classes": [ "yealink-phone" ]
+                },
+
+                {
+                    "hw-address": "00:15:65:94:e2:2d",
+                    "hostname": "voip02",
+                    "client-classes": [ "yealink-phone" ]
+                },
+
+                {
+                    "hw-address": "00:15:65:94:df:3a",
+                    "hostname": "voip03",
+                    "client-classes": [ "yealink-phone" ]
+                },
+
+                {
+                    "hw-address": "00:15:65:94:de:7f",
+                    "hostname": "voip04",
+                    "client-classes": [ "yealink-phone" ]
+                },
+
+                {
+                    "hw-address": "00:15:65:94:e3:39",
+                    "hostname": "voip04",
+                    "client-classes": [ "yealink-phone" ]
+                },
+
+                {
+                    "hw-address": "00:1D:45:B6:99:2F",
+//                  "hostname": "voip01",
+                    "client-classes": [ "cisco-phone" ]
                 },
 
                 {
                     "hw-address": "00:1D:A2:66:B8:3E",
-                    "hostname": "voip02",
-                    "client-classes": [ "voip-phone" ]
+//                  "hostname": "voip02",
+                    "client-classes": [ "cisco-phone" ]
                 },
 
                 {
                     "hw-address": "00:1E:BE:90:FB:DB",
-                    "hostname": "voip03",
-                    "client-classes": [ "voip-phone" ]
+//                  "hostname": "voip03",
+                    "client-classes": [ "cisco-phone" ]
                 },
 
                 {
                     "hw-address": "00:1E:BE:90:FF:06",
-                    "hostname": "voip04",
-                    "client-classes": [ "voip-phone" ]
+//                  "hostname": "voip04",
+                    "client-classes": [ "cisco-phone" ]
                 }
             ]
         },