The German company nfon AG is an ITSP (Myers-Briggs personality type: "Communicator") by providing hosted PBX (news – alert) services for the corporate market in Germany and other European countries.
Headquartered in Munich, the company offers services for organizations of all sizes. your value companyofficialssay, located in "its ability to provide telephony services and profitable in its customer base".
Your users avoid both capital install their own PBX and the administration of this system overhead costs.
Infrastructure of the company and its close association with a number of Internet backbone providers means that users get VoIP links from any location via interconnections DSL.El low cost of these links, company officials say, is "key" to control the cost of General Services.
A service hosted PBX provided by nfon AG handles all internal communications and externas.Esto includes communication with customers and suppliers and maintain calls and as company officials say, "these calls can run on the public Internet, which is why many nfon customers are demanding called encryption".
To resolve this issue, nfon turned to UM Labs.
Security Labs SIP Unified Messaging controller provides encryption call allowing nfon offer this service to your customers without having to install additional equipment installations of standards-based client base.A client needs, nfon say officials, is "a mobile phone capable of supporting the same encryption standards."
The shape of explain nfon AG, officials driver Unified Messaging SIP Security Labs provides encryption for SIP signaling (called configuration) and RTP. SIP signaling media is protected with TLS, while RTP is encrypted using Secure RTP (SRTP): "In both cases driver laboratories UM SIP security uses high-level as AES with lengths up to 256-bit symmetric algorithms and 2048 for asymmetric key encryption algorithms."
The actual algorithm and the length of the chosen for a single call, key said, it is dependent on the capacity of the terminal.
David Sims is a contributing editor for TMCnet.Para read more articles by David, visit your columnista.Él blogs page for TMCnet here.
Edited by Erin Monda
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