diff --git a/helmfile/environments/default/sip.yaml.gotmpl b/helmfile/environments/default/sip.yaml.gotmpl
index e09cfd43..cec76774 100644
--- a/helmfile/environments/default/sip.yaml.gotmpl
+++ b/helmfile/environments/default/sip.yaml.gotmpl
@@ -35,12 +35,12 @@ sip:
   # See also:
   # - https://github.com/jitsi/jigasi (incoming calls)
   jigasi:
-    enabled: false
+    enabled: true
     port: "5060"
     # e.g. sip.mydomain.tld
-    server: ""
+    server: "sip.{{ .Values.global.domain }}"
     transport: "TCP"
     # e.g. jigasi@sip.mydomain.tld
-    uri: ""
+    uri: "jigasi@sip.{{ .Values.global.domain }}"
     password: ~
 ...