diff --git a/specification/communication/data-plane/Microsoft.CommunicationServicesTurn/preview/2021-02-22-preview1/CommunicationTurn.json b/specification/communication/data-plane/Microsoft.CommunicationServicesTurn/preview/2021-02-22-preview1/CommunicationTurn.json
new file mode 100644
index 000000000000..98b462771b22
--- /dev/null
+++ b/specification/communication/data-plane/Microsoft.CommunicationServicesTurn/preview/2021-02-22-preview1/CommunicationTurn.json
@@ -0,0 +1,180 @@
+{
+  "swagger": "2.0",
+  "info": {
+    "title": "CommunicationIdentityClient",
+    "description": "Azure Communication Relay Service",
+    "version": "2021-02-22-preview1"
+  },
+  "paths": {
+    "/turn/{id}/:issueCredentials": {
+      "post": {
+        "tags": [
+          "Turn"
+        ],
+        "summary": "Issue TURN credentials for an existing identity.",
+        "operationId": "CommunicationIdentity_IssueTurnCredentials",
+        "produces": [
+          "application/json"
+        ],
+        "parameters": [
+          {
+            "in": "path",
+            "name": "id",
+            "description": "Identifier of the existing identity to issue credentials for.",
+            "required": true,
+            "type": "string"
+          },
+          {
+            "$ref": "#/parameters/ApiVersionParameter"
+          }
+        ],
+        "responses": {
+          "default": {
+            "description": "Error",
+            "schema": {
+              "$ref": "#/definitions/CommunicationErrorResponse"
+            }
+          },
+          "200": {
+            "description": "Success",
+            "schema": {
+              "$ref": "#/definitions/TurnCredentialsResponse"
+            }
+          }
+        },
+        "x-ms-examples": {
+          "Issue Turn Credentials": {
+            "$ref": "./examples/IssueTurnCredentials.json"
+          }
+        }
+      }
+    }
+  },
+  "definitions": {
+    "CommunicationError": {
+      "description": "The Communication Services error.",
+      "required": [
+        "code",
+        "message"
+      ],
+      "type": "object",
+      "properties": {
+        "code": {
+          "description": "The error code.",
+          "type": "string"
+        },
+        "message": {
+          "description": "The error message.",
+          "type": "string"
+        },
+        "target": {
+          "description": "The error target.",
+          "type": "string",
+          "readOnly": true
+        },
+        "details": {
+          "description": "Further details about specific errors that led to this error.",
+          "type": "array",
+          "items": {
+            "$ref": "#/definitions/CommunicationError"
+          },
+          "readOnly": true
+        },
+        "innerError": {
+          "$ref": "#/definitions/CommunicationError"
+        }
+      }
+    },
+    "CommunicationErrorResponse": {
+      "description": "The Communication Services error.",
+      "required": [
+        "error"
+      ],
+      "type": "object",
+      "properties": {
+        "error": {
+          "$ref": "#/definitions/CommunicationError"
+        }
+      }
+    },
+    "TurnServer": {
+      "description": "An instance of a TURN server with credentials.",
+      "required": [
+        "credential",
+        "urls",
+        "username"
+      ],
+      "type": "object",
+      "properties": {
+        "urls": {
+          "description": "URL of the server.",
+          "type": "string"
+        },
+        "username": {
+          "description": "User account name which uniquely identifies the credentials.",
+          "type": "string"
+        },
+        "credential": {
+          "description": "Credential for the server.",
+          "type": "string"
+        }
+      }
+    },
+    "TurnCredentialsResponse": {
+      "description": "A TURN credentials response.",
+      "required": [
+        "expiresOn",
+        "turnServers"
+      ],
+      "type": "object",
+      "properties": {
+        "expiresOn": {
+          "format": "date-time",
+          "description": "The date for which the username and credentials are not longer valid.",
+          "type": "string"
+        },
+        "turnServers": {
+          "description": "An array representing the credentials and the TURN server URL.",
+          "type": "array",
+          "items": {
+            "$ref": "#/definitions/TurnServer"
+          }
+        }
+      }
+    }
+  },
+  "parameters": {
+    "ApiVersionParameter": {
+      "in": "query",
+      "name": "api-version",
+      "description": "Version of API to invoke.",
+      "required": true,
+      "type": "string"
+    }
+  },
+  "securityDefinitions": {
+    "azure_auth": {
+      "type": "oauth2",
+      "flow": "implicit",
+      "authorizationUrl": "https://login.microsoftonline.com/common/oauth2/authorize",
+      "scopes": {
+        "user_impersonation": "impersonate your user account"
+      }
+    }
+  },
+  "x-ms-parameterized-host": {
+    "hostTemplate": "{endpoint}",
+    "useSchemePrefix": false,
+    "parameters": [
+      {
+        "name": "endpoint",
+        "description": "The communication resource, for example https://my-resource.communication.azure.com",
+        "required": true,
+        "type": "string",
+        "in": "path",
+        "x-ms-skip-url-encoding": true,
+        "x-ms-parameter-location": "client"
+      }
+    ]
+  }
+}
diff --git a/specification/communication/data-plane/Microsoft.CommunicationServicesTurn/preview/2021-02-22-preview1/examples/IssueTurnCredentials.json b/specification/communication/data-plane/Microsoft.CommunicationServicesTurn/preview/2021-02-22-preview1/examples/IssueTurnCredentials.json
new file mode 100644
index 000000000000..97c1b3d68e95
--- /dev/null
+++ b/specification/communication/data-plane/Microsoft.CommunicationServicesTurn/preview/2021-02-22-preview1/examples/IssueTurnCredentials.json
@@ -0,0 +1,22 @@
+{
+  "parameters": {
+    "api-version": "2021-02-22-preview1",
+    "content-type": "application/json",
+    "id": "8:acs:2dee53b4-368b-45b4-ab52-8493fb117652_00000005-14a2-493b-8a72-5a3a0d000081",
+    "endpoint": "https://my-resource.communication.azure.com"
+  },
+  "responses": {
+    "200": {
+      "body": {
+        "turnServers": [
+          {
+            "urls": "turn:131.107.255.255:3478",
+            "username": "AgAAJNOeygwB1uVGvuwAVMHV4PLhYDgY66Fg1dUZvQ4AAAAEhXrhc8uJFjOK8lxEsZk3KIpWxc0=",
+            "credential": "9rl8ablFWj6/aqSuPLgLykLZKqw="
+          }
+        ],
+        "expiresOn": "2020-09-10T21:39:39.3244584+00:00"
+      }
+    }
+  }
+}
diff --git a/specification/communication/data-plane/readme.md b/specification/communication/data-plane/readme.md
index ee7144770271..ece0fd81a290 100644
--- a/specification/communication/data-plane/readme.md
+++ b/specification/communication/data-plane/readme.md
@@ -86,6 +86,15 @@ input-file:
   - Microsoft.CommunicationServicesIdentity/stable/2021-03-07/CommunicationIdentity.json
 ```
 
+### Tag: package-2021-02-22-preview1
+
+These settings apply only when `--tag=package-2021-02-22-preview1` is specified on the command line.
+
+```yaml $(tag) == 'package-2021-02-22-preview1'
+input-file:
+  - Microsoft.CommunicationServicesTurn/preview/2021-02-22-preview1/CommunicationTurn.json
+```
+
 ### Tag: package-2020-11-19-preview1
 
 These settings apply only when `--tag=package-2020-11-19-preview1` is specified on the command line.