"Today's announcement is
evidence we are committed to providing state of the art technology solutions
to the medium sized and enterprise business market," said Lee Kimball
ITC^DeltaCom's Vice President of Marketing.

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ITC^DeltaCom
has interconnection agreements with BellSouth, Verizon, SBC, CenturyTel and
Sprint for resale and access to unbundled network elements and is a certified
competitive local exchange carrier (CLEC) in Arkansas , Texas, Virginia and all
nine BellSouth states.

Investor Contact: Media Contact:
Richard E.

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The Company operates approximately 29 voice
switches and 74 data switches, and is one of the largest competitive
telecommunications providers in its primary eight-state region .itcdeltacom.
More details on the VoIPossiblities Conference + Expo are
available at http://www .

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"Businesses today need an enhanced data offering that enables 'Quality of
Service' standards for individual traffic types," said Jim O'Brien
ITC^DeltaCom's Executive Vice President of Operations . This
panel will outline the various markets for VoIP and discuss their
unique requirements.

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ITC^DeltaCom has enabled MPLS (Multi-Protocol
Label Switching), which provides performance and traffic management, across
its IP network.
ITC^DeltaCom, headquartered in West Point, Ga.

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VocalTec Communications to Showcase Essentra Softswitch Platform at VoIPossibilities Conference and Expo; VocalTec Executive To Present at Panel Contrasting Th

(Nasdaq: VOCL), a leading telecom equipment provider offering
carrier class packet voice solutions, today announced that VocalTec
will be demonstrating the carrier-grade Essentra(R) softswitch
platform, a broadband VoIP access platform, which enables delivery of
enhanced voice services over any broadband connection to residential
and business users, at the VoIPossibilities Conference and Expo from
April 13-15, 2005, in Dallas, Texas. Ari Rabban will join other industry experts in a panel
discussion contrasting the distinct markets for VoIP services ,
including consumer, small/medium business/SOHO, and enterprise.

Learn more about our products and solutions at www.

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com.

Business Editors/Technology Writers
VoIPossibilities Conference + Expo
BOOTH 146

DALLAS----VocalTec Communications
Ltd.com/index.vocaltec.

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ITC^DeltaCom has a fiber
optic network spanning approximately 14,500 route miles, including more than
10,900 route miles of owned fiber, and offers a comprehensive suite of voice
and data communications services , including local, long distance, enhanced
data, Internet, colocation and managed services, and sells customer premise
equipment to end-user customers.com

About VocalTec

VocalTec Communications Ltd.com

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ITC^DeltaCom has enabled this service over their existing
Frame, ATM and Private IP network to allow maximum flexibility for businesses
with varying connection speeds and access types. Fish Lee A.

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bellsouth fairpoint

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ITC^DeltaCom Announces Availability of MPLS Service

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vocaltec. The company's flagship Essentra(TM) Product offers
carriers a rich set of residential and enterprise telephony services,
supporting both legacy and advanced IP based multimedia devices.

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, provides, through its
operating subsidiaries, integrated telecommunications and technology services
to businesses in the southeastern United States.
The Essentra platform is an ideal fit for the RLEC community, as
it specifically addresses the requirements of a scaled Voice over
Broadband and / or IP Centrex offering together with seamless
migration from TDM to IP.

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NOTE TO EDITORS: In the company name ITC^DeltaCom noted in this news release,
there is a caret between ITC and DeltaCom. VocalTec has a wealth of experience in
supporting VoIP services, offering global and local service providers
and carriers a cost-effective means to incrementally support tailored
VoIP-based service offerings with near-term revenue potential .

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This symbol may not appear properly
in some systems.

WEST POINT, Ga. "This offering is
targeted for businesses with mission critical or real-time voice and data
needs in a private network environment," added O'Brien. Kimball
Chief Financial Officer Vice President, Marketing
256-382-3827 919-863-7149
lee.kimball@itcdeltacom .voipossibilities.

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The offering is
available in all ITC^DeltaCom markets.com

(VocalTec ) is a leading telecom
equipment provider offering next generation network (NGN) VoIP carrier
class call control and hosted telephony platforms.
VocalTec's products provide carriers with call control , interface to
legacy telephone systems as well as peering with other NGN.

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Telecommunications providers which own their own switching equipment and network.

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For more information about ITC^DeltaCom, visit the
Company's Web site at http://www. Being
first to the VoIP market, VocalTec continues to offer most innovative
and advanced telecommunication solutions for carriers and service
providers who migrate from legacy TDM to NGN.

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, ITC^DeltaCom, Inc. Our customer base
spans more than 100 countries and includes Deutsche Telekom, Intelcom
San Marino (subsidiary of Telecom Italia Sparkle), RomTelecom and
Hanoi Telecom.

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attc mci

(Nasdaq: ITCD), a leading provider of integrated communications services to
customers in the southeastern United States, today announced the availability
of its MPLS Service offering.
Ari Rabban, Vice President, Corporate Development and Marketing,
will participate in the "Defining VoIP Markets" panel at the
VoIPossibilities Conference and Expo on April 13th, 2005 , in Dallas,
Texas.html
More information on VocalTec's Essentra Product Suite is available
at http://www.

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ABOUT ITC^DELTACOM, INC.