diff --git a/docs/Supported-OS-Types.md b/docs/Supported-OS-Types.md
index 000b1cb3c..5e6960380 100644
--- a/docs/Supported-OS-Types.md
+++ b/docs/Supported-OS-Types.md
@@ -8,6 +8,8 @@
   * [AEN](/lib/oxidized/model/aen.rb)
 * Acme Packet
   * [ACMEPACKET](/lib/oxidized/model/acmepacket.rb)
+* AddPack
+  * [AddPack](/lib/oxidized/model/addpack.rb)
 * Adtran
   * [Total Access (AOS)](/lib/oxidized/model/adtran.rb)
 * Alcatel-Lucent
@@ -276,5 +278,6 @@
 * Zyxel
   * [ZyNOS](/lib/oxidized/model/zynos.rb)
   * [ZyNOS GS-series variant](/lib/oxidized/model/zynosgs.rb)
+  * [ZyNOS ADSL](/lib/oxidized/model/zynosadsl.rb)
   * [NDMS](/lib/oxidized/model/ndms.rb)
   * [1308](/lib/oxidized/model/zy1308.rb)
diff --git a/lib/oxidized/model/addpack.rb b/lib/oxidized/model/addpack.rb
new file mode 100644
index 000000000..534b8f682
--- /dev/null
+++ b/lib/oxidized/model/addpack.rb
@@ -0,0 +1,26 @@
+class AddPack < Oxidized::Model
+  # Used in AddPack Voip, such as AP100B, AP100_G2, AP700, AP1000, AP1100F
+
+  using Refinements
+  PROMPT = /^.*[>#]\s?$/
+
+  expect /-- [Mm]ore --/ do |data, re|
+    send ' '
+    data.sub re, ''
+  end
+
+  prompt PROMPT
+  cmd 'enable'
+
+  cmd 'show running-config' do |cfg|
+    cfg.gsub! /^Building configuration.../, ''
+    cfg.gsub! /^*show running-config/, ''
+    cfg.gsub! PROMPT, ''
+    cfg
+  end
+
+  cfg :telnet do
+    username /[Ll]ogin:\s?/
+    password /[Pp]assword:\s?/
+  end
+end
diff --git a/lib/oxidized/model/routeros.rb b/lib/oxidized/model/routeros.rb
index 5baede0a3..389660947 100644
--- a/lib/oxidized/model/routeros.rb
+++ b/lib/oxidized/model/routeros.rb
@@ -14,14 +14,14 @@ class RouterOS < Oxidized::Model
     cfg
   end
 
-  cmd '/system routerboard print without-paging' do |cfg|
+  cmd '/system routerboard print' do |cfg|
     cfg = cfg.each_line.grep(/(model|firmware-type|current-firmware|serial-number):/).join
     comment cfg
   end
 
-  cmd '/system package update print without-paging' do |cfg|
-    version_line = cfg.each_line.grep(/installed-version: /)[0]
-    @ros_version = /: ([0-9])/.match(version_line)[1].to_i
+  cmd '/system package update print' do |cfg|
+    version_line = cfg.each_line.grep(/installed-version:\s|current-version:\s/)[0]
+    @ros_version = /([0-9])/.match(version_line)[0].to_i
     comment version_line
   end
 
diff --git a/lib/oxidized/model/zynosadsl.rb b/lib/oxidized/model/zynosadsl.rb
new file mode 100644
index 000000000..58b6ea35a
--- /dev/null
+++ b/lib/oxidized/model/zynosadsl.rb
@@ -0,0 +1,14 @@
+class ZyNOSADSL < Oxidized::Model
+  using Refinements
+
+  # Used in Zyxel ADSL, such as AAM1212-51
+
+  prompt /^.*>\s?$/
+  comment ';; '
+
+  cmd 'config show all nopause'
+
+  cfg :telnet do
+    password /^Password:/i
+  end
+end
diff --git a/lib/oxidized/model/zynosmgs.rb b/lib/oxidized/model/zynosmgs.rb
new file mode 100644
index 000000000..79d99f981
--- /dev/null
+++ b/lib/oxidized/model/zynosmgs.rb
@@ -0,0 +1,32 @@
+class ZyNOSMGS < Oxidized::Model
+  using Refinements
+
+  PROMPT = /^(\w.*)>(.*)?$/
+  # Used in Zyxel MGS Series switches
+
+  prompt PROMPT
+  comment '! '
+
+  cmd 'show version' do |cfg|
+    clear_output cfg
+  end
+
+  cmd 'show running-config' do |cfg|
+    clear_output cfg
+  end
+
+  cfg :telnet do
+    username /^User\s?name(\(1-32 chars\))?:/i
+    password /^Password(\(1-32 chars\))?:/i
+  end
+
+  cfg :telnet, :ssh do
+    pre_logout 'exit'
+  end
+
+  private
+
+  def clear_output(output)
+    output.gsub PROMPT, ''
+  end
+end