diff --git a/objects/short-message-service/definition.json b/objects/short-message-service/definition.json
index e065795..1475aa3 100644
--- a/objects/short-message-service/definition.json
+++ b/objects/short-message-service/definition.json
@@ -41,7 +41,7 @@
     "smsc": {
       "description": "SMS Message Center",
       "ui-priority": 0,
-      "misp-attribute": "text"
+      "misp-attribute": "phone-number"
     },
     "name": {
       "description": "Sender name",
@@ -49,7 +49,7 @@
       "misp-attribute": "text"
     }
   },
-  "version": 2,
+  "version": 3,
   "description": "Short Message Service (SMS) object template describing one or more SMS message. Restriction of the initial format 3GPP 23.038 GSM character set doesn't apply.",
   "meta-category": "misc",
   "uuid": "4851a3dc-e1a6-43ac-9d97-f0d13a099fd2",