You can purchase a SIP subscription on the user portal.
1. Login to your Home page of user portal and click on "Store" Box. Select SIP from Menu list.
2. Click on “Buy Now” or "Contact Sales"
3. After "Buy Now", you will be lead to next page for select Plan, Cycle, assigned number. Click Continue to complete and make payment
5. After payment, please go to Triple bars icon on top left to select and open SIP account to get SIP credentials to configure on SIP device.