diff --git a/modules/voip/asterisk/default.nix b/modules/voip/asterisk/default.nix
index 4ca59f1..6bf9431 100644
--- a/modules/voip/asterisk/default.nix
+++ b/modules/voip/asterisk/default.nix
@@ -119,6 +119,7 @@ let
     [${key}](${m.endpointTemplate})
     auth = auth-${key}
     aors = ${key}
+    callerid = ${phone.displayName} <${phone.extension}>
     ${mailboxLine}${vmVar}${obVars}
     [auth-${key}](auth-userpass)
     username = ${key}