One 
   
 
 
Allegiance Telecom

 
   
source for Business Telecom

Allegiance Telecom Services

Business Solutions
Telecommunications Solutions for Small and Medium Businesses

Voice Solutions
A wide variety of business telephone services

Data and Internet Access
Data transfer and internet access for your company

Internet Services
Applications and services to meet your company's basic Internet needs

Internet Services by Allegiance Internet
Enterprise-level Internet Solutions

Internet Connectivity
A full suite of connectivity options for Internet dependent businesses

Hosting Services
Managed Hosting and Colocation services for mission critical sites and applications

Security Solutions
Data protection services to keep information secure

Wholesale Business Solutions
Bulk Telecommunications for ISPs, Carriers, Government Agencies, Fortune 500 and other High Capacity Businesses

Managed Modem Port Service
A network-based, dial-up access solution. Ideal for ISPs

Dedicated DS1 Aggregation
Using Allegiance's network for high volume traffic

IP Aggregation
Aggregating end-user DS1 traffic to deliver over our clear channel DS3

Colocation
Using Allegiance facilities and experience to complement your network equipment

ISDN PRI
Low cost end-to-end digital connectivity

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© Copyright 2004 XO. All rights reserved. Allegiance Telecom is a subsidiary of XO Communications, Inc. XO, the XO design logo, Concentric, Allegiance and all related marks are registered trademarks of XO Communications, Inc.. All other trademarks are property of their respective owners.