diff --git a/sectoralarm/__main__.py b/sectoralarm/__main__.py
index c985f25..cef1806 100644
--- a/sectoralarm/__main__.py
+++ b/sectoralarm/__main__.py
@@ -142,9 +142,12 @@ def main():
                     offset=args.offset))
         if args.command == COMMAND_SET:
             if args.device == 'alarm':
-                print_result(session.set_arm_state(
-                    args.code,
-                    args.new_status))
+                if args.new_status == 'DISARMED':
+                    print_result(session.disarm(args.code))
+                if args.new_status == 'ARMED_HOME':
+                    print_result(session.partialarm(args.code))
+                if args.new_status == 'ARMED_AWAY':
+                    print_result(session.arm(args.code))
             if args.device == 'lock':
                 if args.new_status == 'lock':
                     print_result(session.lock_doorlock(
diff --git a/sectoralarm/session.py b/sectoralarm/session.py
index 9598534..214c001 100644
--- a/sectoralarm/session.py
+++ b/sectoralarm/session.py
@@ -145,22 +145,55 @@ def get_lock_status(self):
         res = json.loads(response.text)
         return res
 
-    def set_arm_state(self, code, state):
+    def disarm(self, code):
+        """ Disarm alarm
+
+        Args:
+            code (str): Personal alarm code (four or six digits)
+        """
+        response = None
+        try:
+            response = requests.get(urls.disarm(
+                self._username,
+                self._password,
+                self._panel,
+                code))
+        except requests.exceptions.RequestException as ex:
+            raise RequestError(ex)
+        _validate_response(response)
+        return json.loads(response.text)
+
+    def arm(self, code):
+        """ Arm alarm
+
+        Args:
+            code (str): Personal alarm code (four or six digits)
+        """
+        response = None
+        try:
+            response = requests.get(urls.arm(
+                self._username,
+                self._password,
+                self._panel,
+                code))
+        except requests.exceptions.RequestException as ex:
+            raise RequestError(ex)
+        _validate_response(response)
+        return json.loads(response.text)
+
+    def partialarm(self, code):
         """ Set alarm state
 
         Args:
             code (str): Personal alarm code (four or six digits)
-            state (str): 'ARMED_HOME', 'ARMED_AWAY' or 'DISARMED'
         """
         response = None
         try:
-            response = requests.put(
-                urls.set_armstate(self._giid),
-                headers={
-                    'Accept': 'application/json, text/javascript, */*; q=0.01',
-                    'Content-Type': 'application/json',
-                    'Cookie': 'vid={}'.format(self._vid)},
-                data=json.dumps({"code": str(code), "state": state}))
+            response = requests.get(urls.partialarm(
+                self._username,
+                self._password,
+                self._panel,
+                code))
         except requests.exceptions.RequestException as ex:
             raise RequestError(ex)
         _validate_response(response)
diff --git a/sectoralarm/urls.py b/sectoralarm/urls.py
index 4a5b409..7f213a2 100644
--- a/sectoralarm/urls.py
+++ b/sectoralarm/urls.py
@@ -52,6 +52,28 @@ def disarm(username, password, panel, code):
         code=code)
 
 
+def arm(username, password, panel, code):
+    return (
+        '{base_url}/arm?username={username}&password={password}'
+        '&panel={panel}&armCode={code}').format(
+        base_url=BASE_URL,
+        username=username,
+        password=password,
+        panel=panel,
+        code=code)
+
+
+def partialarm(username, password, panel, code):
+    return (
+        '{base_url}/partialarm?username={username}&password={password}'
+        '&panel={panel}&armCode={code}').format(
+        base_url=BASE_URL,
+        username=username,
+        password=password,
+        panel=panel,
+        code=code)
+
+
 def disarm_and_unlock(username, password, panel, code):
     return (
         '{base_url}/ArmAndLock?username={username}&password={password}'