diff --git a/dhall/asterisk.dhall b/dhall/asterisk.dhall
new file mode 100644
index 0000000..8571bbe
--- /dev/null
+++ b/dhall/asterisk.dhall
@@ -0,0 +1,106 @@
+let Text/concatMapSep = https://prelude.dhall-lang.org/Text/concatMapSep
+
+let Mailbox =
+      { Type = { id : Text, context : Text, name : Text, email : Text }
+      , default = { name = "", email = "" }
+      }
+
+let Endpoint =
+      { Type =
+          { id : Text
+          , context : Text
+          , password : Text
+          , callerid : Text
+          , mailboxes : List Mailbox.Type
+          }
+      , default = { callerid = "", mailboxes = [] : List Mailbox.Type }
+      }
+
+let mailboxes =
+      { correl = Mailbox::{
+        , id = "100"
+        , context = "sailmaker"
+        , name = "Correl Roush"
+        }
+      }
+
+let endpoints =
+      { correl = Endpoint::{
+        , id = "100"
+        , context = "from-internal"
+        , password = "mJzTGkXdh02OVXGOaxcH8V3To"
+        , mailboxes = [ mailboxes.correl ]
+        }
+      , correl_softphone = Endpoint::{
+        , id = "101"
+        , context = "from-internal"
+        , password = "5KVzU5Ez77lIIv4SAyzDOnMWo"
+        , mailboxes = [ mailboxes.correl ]
+        }
+      , correl_conference = Endpoint::{
+        , id = "102"
+        , context = "from-internal"
+        , password = "mpHoQ29k2AiH4EN7IXL9vnE9j"
+        , mailboxes = [ mailboxes.correl ]
+        }
+      }
+
+let mailbox/conf =
+      \(mailbox : Mailbox.Type) ->
+        "${mailbox.id} => ${mailbox.id},${mailbox.name},${mailbox.email}"
+
+let mailbox/address =
+      \(mailbox : Mailbox.Type) -> "${mailbox.id}@${mailbox.context}"
+
+let pjsip/endpoint =
+      \(endpoint : Endpoint.Type) ->
+        ''
+        [${endpoint.id}]
+        type=endpoint
+        context=${endpoint.context}
+        callerid='${endpoint.callerid}'
+        disallow=all
+        allow=ulaw
+        auth=${endpoint.id}
+        aors=${endpoint.id}
+        mailboxes=${Text/concatMapSep
+                      ","
+                      Mailbox.Type
+                      mailbox/address
+                      endpoint.mailboxes}''
+
+let pjsip/auth =
+      \(endpoint : Endpoint.Type) ->
+        ''
+        [${endpoint.id}]
+        type=auth
+        auth_type=userpass
+        password=${endpoint.password}
+        username=${endpoint.id}''
+
+let pjsip/aor =
+      \(endpoint : Endpoint.Type) ->
+        ''
+        [${endpoint.id}]
+        type=aor
+        max_contacts=1
+        remove_existing=yes''
+
+let pjsip/all =
+      \(endpoint : Endpoint.Type) ->
+        ''
+        ${pjsip/endpoint endpoint}
+
+        ${pjsip/auth endpoint}
+
+        ${pjsip/aor endpoint}
+        ''
+
+in  Text/concatMapSep
+      "\n"
+      Endpoint.Type
+      pjsip/all
+      [ endpoints.correl
+      , endpoints.correl_softphone
+      , endpoints.correl_conference
+      ]