roaming, also called roaming, is a term used in mobile telephony to refer to the service that allows users of an operator to remain connected to the network, even outside the location where they contracted the service.
O roaming it can be used nationally, for regions with different area codes, or abroad. Generally, fees for services in roaming are higher than within the contracted coverage area.
How does the roaming?
When a mobile phone user leaves the coverage area contracted with their operator, the network transfer. This transfer can take place between the same operator or between different operators.
If the operator has coverage in the place where the user is, it only transfers the signal from one antenna to another.
But if it doesn't have coverage in the region, it borrows the infrastructure from another operator and thus keeps the services running. O roaming works for national and international transfers.
roaming national
O roaming national happens between the different regions of the country
, defined by your area code (direct remote dialing). If you leave the area of the DDD where you contracted your service, you will be able to remain connected in roaming.This means you can continue to receive and make calls and use the internet, but you can pay additional fees for these services - these fees vary by carrier and plan.
See also the meaning of DDD.
roaming of voice and roaming of data
According to Anatel (National Telecommunications Agency), within the country, the roaming You will not be charged if you are within your carrier's coverage area.
This means that the price to use the internet from your cell phone will be the same anywhere in Brazil - as long as your operator has coverage there.
In the case of calls, it is different, as they will be more expensive whenever you are in another region. See how charges work in cases of displacement:
Case 1: You are in a different city from yours, but with the same area code.
If you make or receive calls, there will be no extra charge, the cost will be a local call.
Case 2: You are in a city with area code different from your region.
- If you receive a call, you will pay the fees for the displacement - who pays for the roaming is the person who is outside the coverage area.
- If you make a call to a number with area code in the city you are in, this call will be considered local and you will not pay extra fees for it.
- If you make a call to your city or any other that has area code different from the region you are in, you will pay the travel fees.
roaming International
O roaming international is also possible. This means that you can leave this service activated on your cell phone and when you arrive in another country, with a Differently DDI (international direct dialing), you will be connected to the network of an operator that has an agreement to roaming with your.
In general, the costs to use the roaming international are very high. If you need to use your cell phone for calls or internet in another country, it is preferable to buy a local SIM card.
To avoid unplanned expenses, it is even recommended to check if the roaming is enabled. If you do not want to use the service, just disable the option in your cell phone settings.
See also the meanings of IDD, LTE, smartphone.