diff --git a/manifests/site.pp b/manifests/site.pp
index 1b1c10a047..395417ddbc 100644
--- a/manifests/site.pp
+++ b/manifests/site.pp
@@ -1068,7 +1068,9 @@ node /^zm\d+.open.*\.org$/ {
 }
 
 # Node-OS: trusty
+# Node-OS: xenial
 node /^pbx\d*\.open.*\.org$/ {
+  $group = "pbx"
   class { 'openstack_project::server': }
   class { 'openstack_project::pbx':
     sip_providers => [
diff --git a/modules/openstack_project/templates/pbx/asterisk/sip.conf.erb b/modules/openstack_project/templates/pbx/asterisk/sip.conf.erb
index 9a544a6acc..e212129fcc 100644
--- a/modules/openstack_project/templates/pbx/asterisk/sip.conf.erb
+++ b/modules/openstack_project/templates/pbx/asterisk/sip.conf.erb
@@ -12,12 +12,12 @@ allow=ulaw
 allow=alaw
 allow=gsm
 nat=force_rport,comedia
-<% sip_providers.each do |provider| -%>
+<% @sip_providers.each do |provider| -%>
 register => <%= provider['username'] %>:<%= provider['password'] %>@<%= provider['hostname'] %>:5060
 <% end -%>
 
 
-<% sip_providers.each do |provider| -%>
+<% @sip_providers.each do |provider| -%>
 <% if provider['outgoing'] == true -%>
 [<%= provider['username'] %>]
 context=public