diff --git a/endpoint/cisco/sip99xx/template_data.json b/endpoint/cisco/sip99xx/template_data.json
index 42803508..3684ab84 100644
--- a/endpoint/cisco/sip99xx/template_data.json
+++ b/endpoint/cisco/sip99xx/template_data.json
@@ -193,6 +193,10 @@
                         {
                     	"text":"Australia/Perth",
                 	"value":"W. Australia Standard Time"
+                  	},
+                        {
+                    	"text":"America/Buenos Aires",
+                	"value":"SA Eastern Standard Time"
                   	}
                 ]
               }