APPLICATION TO USE THE SERVICE Callback Sarenet
Free application that is integrated with its contact agenda and allows you to use Sarenet VOIP service to save on your company business communications.
The operation of this application, oriented to the companies, is based on the VoIP service of Sarenet ( Sarevoz Callback , which requires prior hiring), which allows you to call a reduced price (especially in international roaming) through its own mobile operator. It is necessary to have the Internet connection on the mobile.
More service information:
https://www.sarenet.es/internet/voip/sarevoz-callback