diff --git a/.env.example b/.env.example
index ca7969c..bc4b372 100644
--- a/.env.example
+++ b/.env.example
@@ -74,6 +74,7 @@ TELEPHONY_TEST_EXTENSION_2=1002
 TELEPHONY_TEST_PASSWORD_2=fedeo-test-1002
 TELEPHONY_ECHO_EXTENSION=600
 TELEPHONY_DEV_WS_PORT=8088
+TELEPHONY_DEV_AMI_PORT=5038
 TELEPHONY_DEV_SIP_PORT=5060
 TELEPHONY_DEV_RTP_MIN_PORT=10000
 TELEPHONY_DEV_RTP_MAX_PORT=10020
diff --git a/backend/src/routes/telephony.ts b/backend/src/routes/telephony.ts
index 87a4cc4..3b6134d 100644
--- a/backend/src/routes/telephony.ts
+++ b/backend/src/routes/telephony.ts
@@ -38,8 +38,11 @@ const defaultAsteriskGeneratedDir = () => {
 const asteriskGeneratedDir = () =>
     process.env.TELEPHONY_ASTERISK_GENERATED_DIR || defaultAsteriskGeneratedDir()
 
+const defaultAsteriskAmiHost = () =>
+    process.env.NODE_ENV === "production" ? "asterisk-dev" : "127.0.0.1"
+
 const asteriskAmiConfig = () => ({
-    host: process.env.TELEPHONY_ASTERISK_AMI_HOST || "asterisk-dev",
+    host: process.env.TELEPHONY_ASTERISK_AMI_HOST || defaultAsteriskAmiHost(),
     port: Number(process.env.TELEPHONY_ASTERISK_AMI_PORT || 5038),
     username: process.env.TELEPHONY_ASTERISK_AMI_USER || "fedeo",
     password: process.env.TELEPHONY_ASTERISK_AMI_PASSWORD || "fedeo-ami-dev",
diff --git a/docker-compose.yml b/docker-compose.yml
index 57461c7..bf61218 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -136,6 +136,7 @@ services:
       - ./telephony/render-asterisk-config.sh:/usr/local/bin/render-asterisk-config.sh:ro
     ports:
       - "${TELEPHONY_DEV_WS_PORT:-8088}:8088"
+      - "${TELEPHONY_DEV_AMI_PORT:-5038}:5038"
       - "${TELEPHONY_DEV_SIP_PORT:-5060}:5060/udp"
       - "${TELEPHONY_DEV_RTP_MIN_PORT:-10000}-${TELEPHONY_DEV_RTP_MAX_PORT:-10020}:10000-10020/udp"
     networks:
diff --git a/docs/telekom-telefonie.md b/docs/telekom-telefonie.md
index 3a4ae47..128f068 100644
--- a/docs/telekom-telefonie.md
+++ b/docs/telekom-telefonie.md
@@ -51,6 +51,8 @@ TELEPHONY_ASTERISK_AMI_USER=fedeo
 TELEPHONY_ASTERISK_AMI_PASSWORD=fedeo-ami-dev
 ```
 
+Wenn das Backend lokal auf dem Host läuft, muss es AMI über `127.0.0.1:5038` erreichen. Der Entwicklungsstack mappt dafür `TELEPHONY_DEV_AMI_PORT` auf den Asterisk-Container.
+
 Wenn `TELEPHONY_TELEKOM_AUTH_USER` leer bleibt, verwendet Asterisk automatisch `TELEPHONY_TELEKOM_SIP_USER` als Authentifizierungsnutzer.
 
 ## Start