Configurations of GSM/VoIP networks allow the service providers to avoid the local Wired Public Switched Network (PSTN) in communication with a GMS mobile handset. As a result, the high rates charged by telephone companies are avoided.
INTEREC provides comunications services and electronics parts since april 1,995, as a netament andalusian company.Thanks to the profesionality and experience from her humans resources, all with more than 10 years in the area, quickly the comany have reach
Read more