This is a step-by-step to setting up a Number Pool to track source channel, keyword search terms, pages visited, and more for the source of each call.

> Note In order to use our Number Pool tracking capabilities, you'll need to have [Dynamic Number Insertion](https://calltracker.io/integrations/dynamic-number-insertion/) setup on your website.

**How to setup a Number Pool Tracker**

### Add a New Tracker

![](https://d2k1yc19c4o170.cloudfront.net/help-assets/docs/trackers-empty.png)

To get started, go to **Trackers** and then follow the **Setup Tracking Number** button in the upper right hand corner.

### Online or Offline

![](https://d2k1yc19c4o170.cloudfront.net/help-assets/docs/tracker-setup-1-online-offline.png)

The first step is to choose online or offline. Online trackers are generally used to track activity on your website and PPC campaigns. Offline trackers are for any other marketing channel where you you'd like to track calls, offline marketing channels include direct mail, billboards, radio ads, TV ads, print media and so you.

### Online Number Pool Setup

![](https://d2k1yc19c4o170.cloudfront.net/help-assets/docs/tracker-setup-2-pool-campaign.png)

For this tutorial, we're going to choose a **Number Pool** because we want to track all visitors and track calls for our Adwords PPC campaigns.

### Configure the Number Pool

![](https://d2k1yc19c4o170.cloudfront.net/help-assets/docs/tracker-setup-3-number-pool.png)

Number pools are quite simple to setup.

1. Give it a **Name**, this how we'll refer to the tracker in all reporting and call details (this can be edited later).
2. Add your **Destination Number**, this is the phone number that we'll forward incoming calls. Most people use their main business line here.
3. Set the **Pool Size** (this can be adjusted from time to time to match your traffic requirements). The size of your number pool needs to be calculated based on how many concurrent visitors we can track on your website at any given time. The best way to estimate your pool size is to look at your website visitor tracking and use the maximum number of visitors per hour.

### Whisper & Recording

![](https://d2k1yc19c4o170.cloudfront.net/help-assets/docs/tracker-setup-transcription.png)

In the final step you decide what happens around the call itself. All three settings are optional, and all three can be changed later in [Tracker Settings](https://help.calltracker.io/hc/ct/articles/updating-tracker-settings).

* **Pre-Call Whisper Message** - a short message played to whoever answers, which the caller cannot hear. Something like "Call from the Facebook campaign" tells your team where the call came from before they say hello, which matters when one phone answers for several trackers.
* **Recording & Caller Message** - records the call, and plays your message to the caller first. Recording laws vary by state, so read [Call Recording and the Law](https://help.calltracker.io/hc/ct/articles/call-recording-legal) before switching it on.
* **Transcribe Call Recordings** - turns every recorded call into a written transcript, laid out as a conversation with the caller and the person who answered shown separately. Read a call in a few seconds instead of playing back five minutes of audio. See [AI Call Transcription](https://help.calltracker.io/hc/ct/articles/ai-call-transcription).

**Transcription only appears once recording is on**, because there has to be audio to transcribe. Tick **Recording & Caller Message** first and the transcription option appears beneath it.