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snom ONE • Administrator Guide, Release 5
552
TLS (Transport Layer Security) [RFC 4346, 5246]
A protocol that ensures privacy between a client and a server. TLS authenticates
both the client and the server and creates an encrypted connection between the
two. TLS provides protection against eavesdropping by a third party and protec-
tion against tampering with a message. TLS is the successor to the Secure Sockets
Layer (SSL).
UDP
User Datagram Protocol) [RFC 768]
(
A communications protocol that offers a limited amount of service when messag-
es are exchanged between computers in a network that is using the Internet Pro-
tocol (IP). UDP merely performs IP traffic demultiplexing based on UDP port
numbers, after which it provides a checksum that can be used by end systems to
determine whether the datagrams received were corrupted by the network.
Unicast
The transmission method used for sending messages to a single network destina-
tion host on a packet switching network. Unicast messaging is used whenever a
private or unique resource is requested.
UPnP (Universal Plug and Play)
A set of networking protocols designed to enable simple and seamless connectiv-
ity among consumer electronics, intelligent appliances, and mobile devices from
many different vendors.
URI (Uniform Resource Identifier) [RFC 2396]
A string of characters for identifying all types of names and addresses on the
Internet (e.g., a page of text, a video, a program, a SIP proxy). It enables devices
the ability to interact with the resource over a network (typically the Internet)
using specific protocols. Schemes specifying a concrete syntax and associated
protocols define each URI.
Mechanism to
Access Resource
http://
https://
sip
Computer that Houses
Resource
www.snom.com
www.my-cdr-domain.com
123@domain.com
Name of Resource
UserFiles/File1.pdf
cdr.php
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