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Security management Toolkit

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Firewall-Friendly VoIP Secure Gateway and VoIP Security Issues

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Publisher Fujitsu
Publisher Registration N/A
Topics Firewalls, Network Security, Security Tools Date added 01 Dec 2003
Downloads 24 Format 115.7KB PDF

IP telephony services using VoIP (Voice over Internet Protocol) technologies have rapidly spread over the last several years. However, interoperation of an IP-PBX (Private Branch eXchange) service and a consumer IP telephony service has not yet been achieved. This is because typical intranets are protected by firewalls and IP telephony protocols are not firewall-friendly - because, among other reasons, they use UDP (User Datagram Protocol)-based protocols.

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