AT&T (NYSE: T) has asked the FCC for permission to shut down 13 bridging and multiplexing services offered by its affiliates in its wireline territory, signaling yet another move to retire legacy services that used.A product of the aging TDM world, the Metallic Service Central Office Series Bridging Capability allows for the connection of Tip-to-Tip and Ring-to-Ring 2-Wire metallic pair to up to 26 customer premises.
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