# Subscribe to phone.systems(TM)

Start your phone.systems(TM) subscription in the [DIDWW User Panel](https://my.didww.com/#/phone_systems). The
subscription is billed per seat, and each seat includes one user, one SIP account, one SIP forwarding, and one PSTN
forwarding contact method. For details, see [Subscription Details](index.html#ps3-subscription-details).

1. In the DIDWW User Panel, go to [Cloud Phone System](https://my.didww.com/#/phone_systems).
2. Click **Get Access**.

[![Get Access button on the Cloud Phone System page](../../_images/subscribe-get-access.webp)](../../_images/subscribe-get-access.webp)


**Fig. 1.** Cloud Phone System page

3. In the **Get access to phone.systems** window, set the number of **Seats** with the **−** and **+** buttons, or enter the number in the field.
4. Review the **Billing period**, **VAT**, **Next billing amount**, and **Total**.
5. Click **Buy Now**.

The **Total** is charged from your DIDWW account balance immediately. Make sure the balance covers it before you click
**Buy Now**.

[![Get access to phone.systems window with seat selection and total](../../_images/subscribe-seats.webp)](../../_images/subscribe-seats.webp)


**Fig. 2.** Selecting the number of seats

A confirmation message appears, and the **Cloud Phone System** page shows **Your subscription** with the number of
seats, the **Billing amount**, and the **Renew date**. The subscription renews monthly on the **Renew date**.

Click **Launch admin UI** to open phone.systems(TM) and start configuring your account. To change the number of seats or
cancel later, use **Edit subscription**. For details, see [Manage phone.systems(TM)
Seats](manage-seats.html#ps3-manage-seats) and [Cancel a phone.systems(TM)
Subscription](cancel-subscription.html#ps3-cancel-subscription).

[![Active phone.systems subscription on the Cloud Phone System page](../../_images/subscribe-active.webp)](../../_images/subscribe-active.webp)


**Fig. 3.** Active subscription