Nortel Inversora provides fixed-line public and mobile telecommunication services. It operates through three segments: Fixed Services, Personal Mobile Services, and Núcleo Mobile Services. The company offers local fixed telephony, public telephony, domestic and international long-distance telephony, domestic and international point-to-point links, domestic and international telex, and Internet access services. The company merged with Sofora Telecomunicaciones and Telecom Personal to form Telecom Argentina.