Global Crossing Enhances Its Suite of VoIP Services

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Adds SIP Refer Feature to Help Enterprises Better Manage Their VoIP Traffic

Florham Park, N.J. - November 3, 2008-- Global Crossing (NASDAQ: GLBC), a leading global IP solutions provider, today announced the addition of the Session Initiation Protocol (SIP) Refer feature to its world-class Voice over Internet Protocol (VoIP) services portfolio. This feature enables enterprises and IP-based application service providers to utilize their IP networks more efficiently while transferring incoming calls to the location or party best able to serve the caller's needs.

"SIP Refer enables enterprises to provide targeted customer service utilizing their VoIP network while delivering efficiencies to the business through its automated functionality," said David Lemelin, senior analyst, Business IP Communications at In-Stat. "SIP Refer is another example of where Global Crossing is among the industry leaders as an innovator of VoIP services to help enterprises become more competitive and efficient in today's challenging marketplace."

SIP is a signaling protocol used for setup and tear down of multimedia communication sessions in voice and video calls. SIP Refer is designed to allow IP equipment to perform a call transfer automatically, and without attendant intervention, to any on-net or off-net phone number while removing the company's equipment from the call path. Once a call is transferred, a port on the customer equipment is released, as well as the capacity being used on the IP network. This capacity is free to be used for other calls.

"By providing a migration path away from legacy features and traditional TDM equipment, we're helping companies move to more cost-effective IP-based communications," said Gary Breauninger, Global Crossing's chief marketing officer. "Our customers have expressed strong interest in these types of VoIP applications."

Global Crossing has released SIP Refer as a feature of its suite of VoIP services, including Global Crossing VoIP Outbound™, which processes traditional long distance and international long distance; Global Crossing Toll-Free™; Global Crossing VoIP Local Service™; and Global Crossing VoIP On-Net Plus™, which provides customers on-net to on-net calling capabilities that support cross-protocol routing schemes and network-defined private dialing plans. In addition, Global Crossing VoIP Consulting Service provides customers access to professional VoIP engineers and Global Crossing's state-of-the-art VoIP Interoperability Labs for equipment, call flow and feature testing; security, protocol and IP Signaling compatibility; and specialized customer requirements.

Global Crossing's global, fully meshed MPLS-based network ensures that VoIP calls are delivered with minimal latency, packet loss and jitter - a consistent and predictable call quality not possible with voice services based on public Internet transport.

ABOUT GLOBAL CROSSING

Global Crossing (NASDAQ: GLBC) is a leading global IP solutions provider with the world's first integrated global IP-based network. The company offers a full range of secure data, voice, and video products to approximately 40 percent of the Fortune 500, as well as to 700 carriers, mobile operators and ISPs. It delivers services to more than 690 cities in more than 60 countries and six continents around the globe.

Please visitwww.globalcrossing.comorblogs.globalcrossing.comfor more information about Global Crossing.

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Statements in this press release about expected future events and financial results are forward-looking and subject to risks and uncertainties that could cause the actual results to differ materially, including risks referenced from time to time in the company's filings with the Securities and Exchange Commission. Global Crossing undertakes no duty to update information contained in this press release or in other public disclosures at any time.

CONTACT GLOBAL CROSSING:

Press Contacts

Tom Topalian
+ 1 973 937 0154

thomas.topalian@globalcrossing.com

Fernanda Marques
Latin America
+ 55 11 3957 2042

fernanda.marques@globalcrossing.com

Analysts/Investors Contact

Suzanne Lipton
+ 1 800 836 0342

glbc@globalcrossing.com

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