• Virtual Business Card with every voice call so that
the user can have the caller’s contact information
available.
• Playback, skip, rewind, pause, slowdown, and
speedup buttons using a Graphical User Interface
in a screen phone, as opposed to using the tele-
phone keypad to control the presentation of the
voice messages.
ߜ Speech-to-text translation: In situations where the caller
has only a phone and the called party has only a text ter-
minal, a SIP-enabled translation service could provide
text-to-speech and speech-to-text translation.
ߜ Web-based Interactive Voice Response (IVR): Users may
surf the Web as opposed to working their way through
IVRs. Such systems could be used from a hotel room to
order services, for instance.
Making the Most of
User Preference
Another differentiating aspect of SIP is user preference. In the
SIP world, you can specify all options for communication, and
those options function as a single tool. In other words, the
user controls how calls are handled, where they are routed,
and the type of communication used. Some of the ways you
can specify preferences include:
ߜ Buddy lists: People on your communications buddy list
can be given preference, priority, or additional choices
for communication mode.
ߜ Time-of-day: You can specify modes of communication
based upon the time of day of communications. For
example, you might accept a nonurgent call on a cell
phone during the day, but after hours direct it to a
voice-mail or IVR system.
ߜ Preference-influenced multimodal communications:
You can choose which medium of communication you
want to use or respond with, based upon a wide number
of parameters.
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