iQSTEL through its subsidiaries is interconnected with the most important telecom players and value-added integrators in the world, among which it is worth mentioning the following: Verizon, KDDI, PCCW, Hutchinson, Flow Jamaica (Cable and Wireless Caribbean), Cable and Wireless Panama, Millicom (TIGO), Telefonica de España (Movistar), Telecom Italia (TIM), Portugal Telecom (MEU), Optimus (NOS), Belgacom (BICS), Deutsche Telekom, Vodafone, Airtel, Reliance, Viettel, TATA Communications, iBasis, Orbitel, Entel, China Telecom, Telmex (Claro), Orange, Telenor, Telecom New Zeland, Bell Canada, Telia, Telstra, Message Bird, QuickCom Global, Telintel, Tyntec, Infobip, AMD Telecom, Nexmo “Now VONAGE”, RTX Routerader, Mitto AG, Mr. Messaging, China Mobile and IBM.