Phoneserve launches SIP client at Gitex

London, United Kingdom
The technology enables small offices, Internet cafés and phone shops using networks to make concurrent calls from different machines behind a proxy, firewall or DSL router.

Delivering full Internet telephone functionality, the Phoneserve SIP client operates through:

NAT (network address translation) and
PAT (port address translation) devices

The new client overcomes the problems of VoIP (voice over IP)
communications within environments utilising firewalls and proxy servers.

In addition, PCs with an Internet broadband connection such as ADSL or ISDN can now enjoy high quality VoIP telephony from Phoneserve.

Paul Duffy, managing director of Phoneserve, says, "Phone shops and Internet cafés right across the Middle East will be able to offer their customers the best call quality at the lowest prices with the introduction of the Phoneserve SIP client. Whilst the company has been running on SIP with our partner Microsoft for the past year, our migration to the SIP
protocol is driven by a number of factors including the ability to integrate with existing Internet standards such as HTML, and in the future, video conferencing and presence monitoring."


About Phoneserve
Phoneserve, a pre-paid calling card, provides top quality national and international PC-to-telephone calls at highly competitive rates. Sold through our global network of distributors, the cards are available in retail outlets and Internet cafés for customers to make international phone
calls with savings of up to 85% less than traditional telcos.

The cards are available in $10, $20 and $50 denominations and the service can be used from any PC with a Windows OS and a 56k modem.

About Callserve
Founded in 1999, Callserve Communications quickly established itself as the leading global Internet telephony company.

Based in London, United Kingdom, Callserve's unique software and infrastructure enables users to make telephone calls using their PCs to any ordinary telephone in the world. Because calls are sent through the Internet, prices are a fraction of those charged by traditional telephone companies

The Callserve Internet telephone software is available FREE from www.callserve.com and customers subscribe by purchasing call time online.

There is no connection charge, subscription or monthly fees.

Callserve also provides Internet telephone service and expertise to major international businesses such as Microsoft, Packard Bell and Freeserve, enabling their customers to make international calls at costs significantly lower than traditional telephone companies.

For more information contact:

Clare Plaisted
PR Manager

Duncan Campbell
PR Executive

Tel: + 44 (0)20 7517 7100
Fax: + 44 (0)20 7517 7101

http://www.phoneserve.com
http://www.callserve.com


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