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Deerfield.com > Products > WinRoute Firewall > VoIP Support |
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Voice Over IP Support Since VoIP protocols such as H.323 were not designed to easily traverse firewalls, deployment of IP telephony technology in firewall-protected networks has been challenging. Organizations requiring this technology were forced to deploy it in front of their firewalls, making their VoIP infrastructure vulnerable to attack from the Internet. WinRoute Firewall allows VoIP to run from behind the firewall, eliminating the need to publicly expose the VoIP infrastructure. WinRoute Firewall supports various VoIP-based hardware or software such as Cisco IP Phone 7960, IP SoftPhone, CallManager, Gatekeeper, SIP Proxy Server, Interactive Voice Response, Cisco Unity Voice Mail, etc. H.323 and SIP WinRoute Firewall's protocol inspection modules help the firewall correctly handle VoIP phone and video communication. Kerio WinRoute Firewall allows all VoIP devices using either H.323 or SIP protocol to be used in the protected network and therefore eliminates the need to publicly expose the VoIP infrastructure to the Internet. Cisco SCCP If a company wishes to utilize VoIP devices in the Cisco AVVID environment, Cisco's Skinny Client Control Protocol (SCCP) is used for establishing communication between an IP Phone and Cisco CallManager. WinRoute Firewall automatically detects SCCP protocol and performs Network Address Translation (NAT) between the IP phone and Cisco CallManager. UPnP Support Universal Plug and Play (UPnP) in Windows enables applications to communicate without additional settings at the firewall. Kerio WinRoute Firewall integrates UPnP technology so that compliant applications such as MSN Messenger can run instantly without hassle. Additionally, WinRoute Firewall performs dynamic IP address translation. Therefore the administrator is not required to manually configure an IP address within NAT for each IP phone.  |
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