diff --git a/resources/templates/provision/cisco/spa501g/{$mac}.xml b/resources/templates/provision/cisco/spa501g/{$mac}.xml
index 8fc8cb57bc..401b3cc864 100644
--- a/resources/templates/provision/cisco/spa501g/{$mac}.xml
+++ b/resources/templates/provision/cisco/spa501g/{$mac}.xml
@@ -148,12 +148,12 @@
 <EncapRTP_Codec_Name group="SIP/SDP_Payload_Types">encaprtp</EncapRTP_Codec_Name>
 
 <!-- SIP/NAT_Support_Parameters -->
-<Handle_VIA_received group="SIP/NAT_Support_Parameters">No</Handle_VIA_received>
-<Handle_VIA_rport group="SIP/NAT_Support_Parameters">No</Handle_VIA_rport>
-<Insert_VIA_received group="SIP/NAT_Support_Parameters">No</Insert_VIA_received>
-<Insert_VIA_rport group="SIP/NAT_Support_Parameters">No</Insert_VIA_rport>
-<Substitute_VIA_Addr group="SIP/NAT_Support_Parameters">No</Substitute_VIA_Addr>
-<Send_Resp_To_Src_Port group="SIP/NAT_Support_Parameters">No</Send_Resp_To_Src_Port>
+<Handle_VIA_received group="SIP/NAT_Support_Parameters">{$cisco_spa_rport}</Handle_VIA_received>
+<Handle_VIA_rport group="SIP/NAT_Support_Parameters">{$cisco_spa_rport}</Handle_VIA_rport>
+<Insert_VIA_received group="SIP/NAT_Support_Parameters">{$cisco_spa_rport}</Insert_VIA_received>
+<Insert_VIA_rport group="SIP/NAT_Support_Parameters">{$cisco_spa_rport}</Insert_VIA_rport>
+<Substitute_VIA_Addr group="SIP/NAT_Support_Parameters">{$cisco_spa_rport}</Substitute_VIA_Addr>
+<Send_Resp_To_Src_Port group="SIP/NAT_Support_Parameters">{$cisco_spa_rport}</Send_Resp_To_Src_Port>
 <STUN_Enable group="SIP/NAT_Support_Parameters">No</STUN_Enable>
 <STUN_Test_Enable group="SIP/NAT_Support_Parameters">No</STUN_Test_Enable>
 <STUN_Server group="SIP/NAT_Support_Parameters" />
diff --git a/resources/templates/provision/cisco/spa502g/{$mac}.xml b/resources/templates/provision/cisco/spa502g/{$mac}.xml
index e2f01cc73b..67dadfa99c 100644
--- a/resources/templates/provision/cisco/spa502g/{$mac}.xml
+++ b/resources/templates/provision/cisco/spa502g/{$mac}.xml
@@ -148,12 +148,12 @@
 <EncapRTP_Codec_Name group="SIP/SDP_Payload_Types">encaprtp</EncapRTP_Codec_Name>
 
 <!-- SIP/NAT_Support_Parameters -->
-<Handle_VIA_received group="SIP/NAT_Support_Parameters">No</Handle_VIA_received>
-<Handle_VIA_rport group="SIP/NAT_Support_Parameters">No</Handle_VIA_rport>
-<Insert_VIA_received group="SIP/NAT_Support_Parameters">No</Insert_VIA_received>
-<Insert_VIA_rport group="SIP/NAT_Support_Parameters">No</Insert_VIA_rport>
-<Substitute_VIA_Addr group="SIP/NAT_Support_Parameters">No</Substitute_VIA_Addr>
-<Send_Resp_To_Src_Port group="SIP/NAT_Support_Parameters">No</Send_Resp_To_Src_Port>
+<Handle_VIA_received group="SIP/NAT_Support_Parameters">{$cisco_spa_rport}</Handle_VIA_received>
+<Handle_VIA_rport group="SIP/NAT_Support_Parameters">{$cisco_spa_rport}</Handle_VIA_rport>
+<Insert_VIA_received group="SIP/NAT_Support_Parameters">{$cisco_spa_rport}</Insert_VIA_received>
+<Insert_VIA_rport group="SIP/NAT_Support_Parameters">{$cisco_spa_rport}</Insert_VIA_rport>
+<Substitute_VIA_Addr group="SIP/NAT_Support_Parameters">{$cisco_spa_rport}</Substitute_VIA_Addr>
+<Send_Resp_To_Src_Port group="SIP/NAT_Support_Parameters">{$cisco_spa_rport}</Send_Resp_To_Src_Port>
 <STUN_Enable group="SIP/NAT_Support_Parameters">No</STUN_Enable>
 <STUN_Test_Enable group="SIP/NAT_Support_Parameters">No</STUN_Test_Enable>
 <STUN_Server group="SIP/NAT_Support_Parameters" />
diff --git a/resources/templates/provision/cisco/spa504g/{$mac}.xml b/resources/templates/provision/cisco/spa504g/{$mac}.xml
index 40d023bd18..da2c9f236a 100644
--- a/resources/templates/provision/cisco/spa504g/{$mac}.xml
+++ b/resources/templates/provision/cisco/spa504g/{$mac}.xml
@@ -104,12 +104,12 @@
 <G729b_Codec_Name group="SIP/SDP_Payload_Types">G729ab</G729b_Codec_Name>
 <G722_Codec_Name group="SIP/SDP_Payload_Types">G722</G722_Codec_Name>
 <EncapRTP_Codec_Name group="SIP/SDP_Payload_Types">encaprtp</EncapRTP_Codec_Name>
-<Handle_VIA_received group="SIP/NAT_Support_Parameters">No</Handle_VIA_received>
-<Handle_VIA_rport group="SIP/NAT_Support_Parameters">No</Handle_VIA_rport>
-<Insert_VIA_received group="SIP/NAT_Support_Parameters">No</Insert_VIA_received>
-<Insert_VIA_rport group="SIP/NAT_Support_Parameters">No</Insert_VIA_rport>
-<Substitute_VIA_Addr group="SIP/NAT_Support_Parameters">No</Substitute_VIA_Addr>
-<Send_Resp_To_Src_Port group="SIP/NAT_Support_Parameters">No</Send_Resp_To_Src_Port>
+<Handle_VIA_received group="SIP/NAT_Support_Parameters">{$cisco_spa_rport}</Handle_VIA_received>
+<Handle_VIA_rport group="SIP/NAT_Support_Parameters">{$cisco_spa_rport}</Handle_VIA_rport>
+<Insert_VIA_received group="SIP/NAT_Support_Parameters">{$cisco_spa_rport}</Insert_VIA_received>
+<Insert_VIA_rport group="SIP/NAT_Support_Parameters">{$cisco_spa_rport}</Insert_VIA_rport>
+<Substitute_VIA_Addr group="SIP/NAT_Support_Parameters">{$cisco_spa_rport}</Substitute_VIA_Addr>
+<Send_Resp_To_Src_Port group="SIP/NAT_Support_Parameters">{$cisco_spa_rport}</Send_Resp_To_Src_Port>
 <STUN_Enable group="SIP/NAT_Support_Parameters">No</STUN_Enable>
 <STUN_Test_Enable group="SIP/NAT_Support_Parameters">No</STUN_Test_Enable>
 <STUN_Server group="SIP/NAT_Support_Parameters" />
diff --git a/resources/templates/provision/cisco/spa508g/{$mac}.xml b/resources/templates/provision/cisco/spa508g/{$mac}.xml
index a52f843035..7ede7e43ab 100644
--- a/resources/templates/provision/cisco/spa508g/{$mac}.xml
+++ b/resources/templates/provision/cisco/spa508g/{$mac}.xml
@@ -148,12 +148,12 @@
 <EncapRTP_Codec_Name group="SIP/SDP_Payload_Types">encaprtp</EncapRTP_Codec_Name>
 
 <!-- SIP/NAT_Support_Parameters -->
-<Handle_VIA_received group="SIP/NAT_Support_Parameters">No</Handle_VIA_received>
-<Handle_VIA_rport group="SIP/NAT_Support_Parameters">No</Handle_VIA_rport>
-<Insert_VIA_received group="SIP/NAT_Support_Parameters">No</Insert_VIA_received>
-<Insert_VIA_rport group="SIP/NAT_Support_Parameters">No</Insert_VIA_rport>
-<Substitute_VIA_Addr group="SIP/NAT_Support_Parameters">No</Substitute_VIA_Addr>
-<Send_Resp_To_Src_Port group="SIP/NAT_Support_Parameters">No</Send_Resp_To_Src_Port>
+<Handle_VIA_received group="SIP/NAT_Support_Parameters">{$cisco_spa_rport}</Handle_VIA_received>
+<Handle_VIA_rport group="SIP/NAT_Support_Parameters">{$cisco_spa_rport}</Handle_VIA_rport>
+<Insert_VIA_received group="SIP/NAT_Support_Parameters">{$cisco_spa_rport}</Insert_VIA_received>
+<Insert_VIA_rport group="SIP/NAT_Support_Parameters">{$cisco_spa_rport}</Insert_VIA_rport>
+<Substitute_VIA_Addr group="SIP/NAT_Support_Parameters">{$cisco_spa_rport}</Substitute_VIA_Addr>
+<Send_Resp_To_Src_Port group="SIP/NAT_Support_Parameters">{$cisco_spa_rport}</Send_Resp_To_Src_Port>
 <STUN_Enable group="SIP/NAT_Support_Parameters">No</STUN_Enable>
 <STUN_Test_Enable group="SIP/NAT_Support_Parameters">No</STUN_Test_Enable>
 <STUN_Server group="SIP/NAT_Support_Parameters" />
diff --git a/resources/templates/provision/cisco/spa509g/{$mac}.xml b/resources/templates/provision/cisco/spa509g/{$mac}.xml
index 6bda8e2466..a8dcf12786 100644
--- a/resources/templates/provision/cisco/spa509g/{$mac}.xml
+++ b/resources/templates/provision/cisco/spa509g/{$mac}.xml
@@ -148,12 +148,12 @@
 <EncapRTP_Codec_Name group="SIP/SDP_Payload_Types">encaprtp</EncapRTP_Codec_Name>
 
 <!-- SIP/NAT_Support_Parameters -->
-<Handle_VIA_received group="SIP/NAT_Support_Parameters">No</Handle_VIA_received>
-<Handle_VIA_rport group="SIP/NAT_Support_Parameters">No</Handle_VIA_rport>
-<Insert_VIA_received group="SIP/NAT_Support_Parameters">No</Insert_VIA_received>
-<Insert_VIA_rport group="SIP/NAT_Support_Parameters">No</Insert_VIA_rport>
-<Substitute_VIA_Addr group="SIP/NAT_Support_Parameters">No</Substitute_VIA_Addr>
-<Send_Resp_To_Src_Port group="SIP/NAT_Support_Parameters">No</Send_Resp_To_Src_Port>
+<Handle_VIA_received group="SIP/NAT_Support_Parameters">{$cisco_spa_rport}</Handle_VIA_received>
+<Handle_VIA_rport group="SIP/NAT_Support_Parameters">{$cisco_spa_rport}</Handle_VIA_rport>
+<Insert_VIA_received group="SIP/NAT_Support_Parameters">{$cisco_spa_rport}</Insert_VIA_received>
+<Insert_VIA_rport group="SIP/NAT_Support_Parameters">{$cisco_spa_rport}</Insert_VIA_rport>
+<Substitute_VIA_Addr group="SIP/NAT_Support_Parameters">{$cisco_spa_rport}</Substitute_VIA_Addr>
+<Send_Resp_To_Src_Port group="SIP/NAT_Support_Parameters">{$cisco_spa_rport}</Send_Resp_To_Src_Port>
 <STUN_Enable group="SIP/NAT_Support_Parameters">No</STUN_Enable>
 <STUN_Test_Enable group="SIP/NAT_Support_Parameters">No</STUN_Test_Enable>
 <STUN_Server group="SIP/NAT_Support_Parameters" />
diff --git a/resources/templates/provision/cisco/spa512g/{$mac}.xml b/resources/templates/provision/cisco/spa512g/{$mac}.xml
index e5a3dbe4e3..012c798498 100644
--- a/resources/templates/provision/cisco/spa512g/{$mac}.xml
+++ b/resources/templates/provision/cisco/spa512g/{$mac}.xml
@@ -149,12 +149,12 @@
 <EncapRTP_Codec_Name group="SIP/SDP_Payload_Types">encaprtp</EncapRTP_Codec_Name>
 
 <!-- SIP/NAT_Support_Parameters -->
-<Handle_VIA_received group="SIP/NAT_Support_Parameters">No</Handle_VIA_received>
-<Handle_VIA_rport group="SIP/NAT_Support_Parameters">No</Handle_VIA_rport>
-<Insert_VIA_received group="SIP/NAT_Support_Parameters">No</Insert_VIA_received>
-<Insert_VIA_rport group="SIP/NAT_Support_Parameters">No</Insert_VIA_rport>
-<Substitute_VIA_Addr group="SIP/NAT_Support_Parameters">No</Substitute_VIA_Addr>
-<Send_Resp_To_Src_Port group="SIP/NAT_Support_Parameters">No</Send_Resp_To_Src_Port>
+<Handle_VIA_received group="SIP/NAT_Support_Parameters">{$cisco_spa_rport}</Handle_VIA_received>
+<Handle_VIA_rport group="SIP/NAT_Support_Parameters">{$cisco_spa_rport}</Handle_VIA_rport>
+<Insert_VIA_received group="SIP/NAT_Support_Parameters">{$cisco_spa_rport}</Insert_VIA_received>
+<Insert_VIA_rport group="SIP/NAT_Support_Parameters">{$cisco_spa_rport}</Insert_VIA_rport>
+<Substitute_VIA_Addr group="SIP/NAT_Support_Parameters">{$cisco_spa_rport}</Substitute_VIA_Addr>
+<Send_Resp_To_Src_Port group="SIP/NAT_Support_Parameters">{$cisco_spa_rport}</Send_Resp_To_Src_Port>
 <STUN_Enable group="SIP/NAT_Support_Parameters">No</STUN_Enable>
 <STUN_Test_Enable group="SIP/NAT_Support_Parameters">No</STUN_Test_Enable>
 <STUN_Server group="SIP/NAT_Support_Parameters" />
diff --git a/resources/templates/provision/cisco/spa514g/{$mac}.xml b/resources/templates/provision/cisco/spa514g/{$mac}.xml
index e1df53a9b7..138491ac7b 100644
--- a/resources/templates/provision/cisco/spa514g/{$mac}.xml
+++ b/resources/templates/provision/cisco/spa514g/{$mac}.xml
@@ -57,12 +57,12 @@
 <Asset_ID group="System/Inventory_Settings" />
 
 <!-- SIP/NAT_Support_Parameters -->
-<Handle_VIA_received group="SIP/NAT_Support_Parameters">No</Handle_VIA_received>
-<Handle_VIA_rport group="SIP/NAT_Support_Parameters">No</Handle_VIA_rport>
-<Insert_VIA_received group="SIP/NAT_Support_Parameters">No</Insert_VIA_received>
-<Insert_VIA_rport group="SIP/NAT_Support_Parameters">No</Insert_VIA_rport>
-<Substitute_VIA_Addr group="SIP/NAT_Support_Parameters">No</Substitute_VIA_Addr>
-<Send_Resp_To_Src_Port group="SIP/NAT_Support_Parameters">No</Send_Resp_To_Src_Port>
+<Handle_VIA_received group="SIP/NAT_Support_Parameters">{$cisco_spa_rport}</Handle_VIA_received>
+<Handle_VIA_rport group="SIP/NAT_Support_Parameters">{$cisco_spa_rport}</Handle_VIA_rport>
+<Insert_VIA_received group="SIP/NAT_Support_Parameters">{$cisco_spa_rport}</Insert_VIA_received>
+<Insert_VIA_rport group="SIP/NAT_Support_Parameters">{$cisco_spa_rport}</Insert_VIA_rport>
+<Substitute_VIA_Addr group="SIP/NAT_Support_Parameters">{$cisco_spa_rport}</Substitute_VIA_Addr>
+<Send_Resp_To_Src_Port group="SIP/NAT_Support_Parameters">{$cisco_spa_rport}</Send_Resp_To_Src_Port>
 <STUN_Enable group="SIP/NAT_Support_Parameters">No</STUN_Enable>
 <STUN_Test_Enable group="SIP/NAT_Support_Parameters">No</STUN_Test_Enable>
 <STUN_Server group="SIP/NAT_Support_Parameters" />