Known as roaming, which with the English word roaming that means to wander or roam, is the ability of wireless communications with an appropriate device to be used in different access points, either via free Wi-Fi or with the paid signal. the telephone line, being able through the cell phone or mobile to send data, messages and make calls over long distances or abroad, as in the same area that is, through the network of the same company or another company of mobile services outside and within the country of origin.
Data roaming uses a cellular network, which is not the same as the one normally used when you are in the country of origin, that is, to the country where the telephone line belongs, this service is not free since they charge a separate rent, with additional charges to the basic rent and they are usually excessively expensive. The roaming operation when you are abroad and when requesting the service or activating from the mobile device from the internal network, begins to work from the initial call when connecting with the base operator where you are visiting, which goes to a repeater of international transit services, where the signal is channeled and sent to the operator of origin in the home network of the country of origin, which in turn is sent to the repeater of the signal of origin and sends it to the cell phone or number from home or base, sinceIt is a complex procedure that in the end takes a few minutes to make the connection from one point to another and thus what is called mobile data is passed to other operators, such as calls, emails, photos, videos, documents and text messaging.
It is a modern modality of the 3G network that facilitates being active and informed any time and day of the week, which has been integrated and developed in an impeccable way for its compatibility with the other operating systems of mobile telephones, being in great demand and use worldwide, by more than 865 operators around the 5 continents, with a great variety of countries and remote territories; In this way, they ensure interconnection and continuous interoperability of the service between the different operator systems, with the use of international or national roaming, as long as the service is governed by the control and availability of this new technology in the different operators. and mobile phone service networks.