With Homephone you can call the world for as low as 1 fils per second
Activation fee: AED 25
International calls:

Saturday to Thursday from 9 am to 9 pm, calls after the 5th minute will be charged at 1.5 fils per second.
National Calls
Calls to national landline and national mobile are charged at 0.3 fils per second and 0.6 fils per second respectively at all times of day.
Local calls
Local calls within the same area code are free of charge and will be carried by your current landline service provider.
Note: In some cases calls within the same area code such as calls to Hatta from Dubai or calls to Madinat Zayed from Abu Dhabi are chargeable. These calls will be charged at 0.15 fils per second.
Rates apply to 190 destinations.
To view the detailed tariffs of your preferred call destination, please choose the country from the list below:
Homephone is now upgraded to Homephone Plus
For Call Select or Homephone customers:
If you are an existing Call Select or Homephone customer, click here to migrate to Homephone Plus