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the right medium (voice, video, IM), on the right device, and
at the right time. Turn to Part 3 for more information on SIP
forking.
Preference-Based
Communications
Like SIP presence, SIP adds intelligence to communications
through giving users control over the parameters of their com-
munications (such as time of day, preferred medium, preferred
callers, and so on). This concept is best exemplified through
SIP’s ability to enable you to control who contacts you on
what devices. If your users want more control over their com-
munications environment instead of being held hostage by
their communication devices, you can find out more in Part 3.
An Open Standard
The SIP standard is defined in RFC 3261 by the Internet
Engineering Task Force (IETF). The IETF is a large open
international community of network designers, operators,
vendors, and researchers (including Avaya) who are all con-
cerned with the evolution of the Internet architecture and
the smooth operation of the Internet. As a result, enterprises
have choices for their platforms, devices, and applications.
Want to discover more? Turn to Part 2.
Interoperability
Several working groups, including SIPit, SIP Foundry, and SIP
Forum, arrange events where companies with SIP hardware
and software products can test interoperability with other
SIP products. This process helps to promote smoother inte-
gration of SIP products in enterprise networks.
SIP’s ability to work across a range of systems helps enter-
prises enjoy more seamless integrations between platforms,
devices, and applications, so your company can get more
done with less CTI and API programming. Part 5 is the place
to go for more information.
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