Sprint, T-Mobile speak out against AT&T's IP strategy

04/1/2014 | Wireless Week

Sprint and T-Mobile US submitted filings to federal regulators outline their belief that AT&T's IP-network trials in two states could set back industry-wide efforts to ensure all carriers can connect to IP networks. Sprint told the Federal Communications Commission it takes issue with pursuing "complicated" trials before all networks were migrated from TDMA technology to IP.

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