Segment Information (Tables)

3 Months Ended

Mar. 31, 2012

Revenue from External Customers by Products and Services

The data presented in the following table includes information for the three months ended March 31, 2012 and 2011. Information related to the acquired business is included from the date of acquisition, and information related to dispositions is included through the date of sale.

Total revenue consists of:


1)	Core Network Services revenue from colocation and data center services, transport and fiber, IP and data services, and voice services.


2)	Wholesale Voice Services and Other revenue from long distance voice services, revenue from managed modem and its related intercarrier compensation services and revenue from the "SBC Master Services Agreement", which was obtained through an acquisition in 2005.

The following table provides revenue (dollars in millions):



	Three Months Ended March 31,
	2012		2011
Core Network Services	$	1,382	$	729
Wholesale Voice Services and Other	204		185
	$	1,586	$	914