Carrier Consulting is a telecommunication firm, catering to the local as well as long-distance clients. Located in El Segundo, Calif., the firm specializes in long-distance calls, local calls, Internet services and 800-inbound service. It also offers teleconferencing facility, domestic calling card, international-calling cards, debit cards and voice-mail services. Carrier Consulting, with an industry experience of 100 years, manages voice and data communication network for its corporate clients. In addition, the firm offers several dial-up, DSL, or T-1 and asynchronous transfer mode (ATM) networks managed virtual-private network (VPN).