The major benefit that users can derive from SIP services is reducing communication costs. A large number of small and large enterprises use SIP for local and international communication.

1. www.voip-routes.com

2. Session Initiation Protocol, or SIP for
short, is a protocol used in VoIP telephony
which allows making voice and video
calls. Apart from Voice over IP telephony
SIP is used in various multimedia
technologies like video, online games and
other services.
SIP was designed to build up real-time
multimedia sessions among participants.
For instance, except for simple calls SIP
services can be used for arranging audio
and video multicast meetings or
conferences.

3. Why Use SIP Services?
SIP is an essential part of Internet Telephony
which allows users to utilize VoIP advantages
and create an affluent communication
experience. The major benefit that users can
derive from SIP services is reducing
communication costs. A large number of small
and large enterprises use SIP for local and
international communication.

4. Functions of SIP
Due to the features it has SIP is used as an
enabler-protocol for Telephony and Voice over
IP. They are as follows:


Translating Name and Locating Called Party –
Translating an address into a name SIP is able
to reach called user at any location. It draws a
map of session description to called party
location and secures support of the call.
Managing call participants – SIP allows making
or cancelling connections with other users in
the course of the call.

5. Participants can be placed on hold or
transferred.
Changing Call Characteristics – SIP services are
good to use because they allow changing call`s
feature during the conversation. For instance,
as a call participant you may want to disable or
enable video, particularly, when a new
participant joins the session.

6. What Is Needed?
For communication through SIP the users
need the following:
A SIP accountr/address
 A SIP client
 Bandwith Internet connection (for quality
voice and video communication)
 Talking and hearing devices


7. SIP client is a special program which should be
installed on user`s mobile device or computer.
There are various types of SIP clients which
provide interface for communication. Among
the most wide-spread SIP services are the
applications offered by VoIP Routes provider to
use with its VoIP services.

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