Update call-outbound.mdx

documentation update for batch calling

Author: kyle-vapi

fern/calls/call-outbound.mdx

@@ -58,8 +58,6 @@ When you schedule a call, we will save the Assistant, Phone Number, and Customer
 
 To call more than one number at a time, use the [`customers`](/api-reference/calls/create#request.body.customers) parameter to pass an array of `customer`. To provide customer specific assistant overrides, please call the endpoint separately for each destination number.
 
-You can also batch call a list of numbers using the [`example template`](/assets/batch-sample.csv). The required fields are the phone number and name columns, and any dynamic variable you add after that is optional. 
-
 Use both `customers` and `schedulePlan` together to schedule batched calls.
 
 ```jsx
@@ -80,6 +78,31 @@ Use both `customers` and `schedulePlan` together to schedule batched calls.
 }
 ```
 
+## Uploading Your CSV File to the Dashboard
+
+Use the [`example template`](/assets/batch-sample.csv) to get started.
+
+* The only required columns are **`phone`** and **`name`**.
+* Any other columns (like `appointment_time`, `location`, etc.) can be used as dynamic variables in your assistant’s script.
+
+## How to Launch a Batch Call
+
+1. Go to **Phone Numbers** in the sidebar.
+2. Select the **number** you want to call from.
+3. Scroll to **Outbound Settings** → click **Call Many Numbers**.
+4. **Upload your CSV file** (drag & drop or click to upload).
+5. Select your **Assistant**, **Squad**, or **Workflow**.
+6. Click **Make Calls** to start now, or **Schedule Calls** to set a future date/time.
+
+>    *Calls will run concurrently — not sequentially.*
+
+## Tips for Clean Data
+
+* Use **UTF-8 encoding** when saving your CSV.
+* Avoid blank rows or duplicated headers.
+* Double-check that your column names match the variables used in your assistant.
+
+
 Note: Vapi free numbers have limited number of outbound calls per day. Import a number from Twilio, Vonage, or Telnyx to scale without limits.
 
 <Warning>