The document provides an overview of VoIP gateways, detailing their functions, types, and essential components within a VoIP network. It explains how VoIP gateways connect different communication protocols and networks, and emphasizes the importance of understanding these devices for effective setup and maintenance. Additionally, it highlights key factors for purchasing a VoIP gateway and the role of codecs and protocols in the process.

1. Presented By:
-Call2customer.net

2.  Introduction
 Network gateway
 What is a VOIP Gateway ?
 VOIP Gateway protocols and codecs
 How does a VOIP Gateway work?
 Convergence with VOIP Gateway
 Types of VOIP Gateway
 Media Gateway Controller
 Signaling Gateway
 Factors to purchase a gateway
 Standard VoIP gateway Configurations
 Examples of VOIP gateways
 Summary
www.call2customer.net

3.  VOIP allows
 cheap phone call , call conferencing , voice mail
over the internet.
 Some VoIP service providers offer
 live broadcasts of radio shows and sports events
Components of a VoIP network
 User agents
Gateways
Proxy servers
Selecting the right gateway is a crucial
 Understanding the role VoIP gateway is very
important
www.call2customer.net

4.  Need more gateways that connect IP network
to phone network
 IP network could be Internet or dedicated
intranet
 VOIP Gateway
www.call2customer.net

5.  PC to PC
Need a pc with sound card
IP telephony software
 PC to phone
Need a gateway that connects IP
network to phone network
www.call2customer.net

6.  It is a network point that acts as an entrance to another
network
 A gateway links two systems that do not use the same:
 Communication protocol , Protocols
 Data formatting structures , Architecture
 It can be implemented in software, hardware, or as a
combination of both
 Ex:- Electronic mail gateways(X.400 gateway)
receive messages in one format, and then translate it
and forward in X.400 format used by the receiver, and vice
versa.
www.call2customer.net

7. ◦ Act as conversion interface between PSTN and an IP
network
◦ This device converts voice and fax calls, in real
time, between the public switched telephone
network (PSTN) and an IP network
◦ The primary functions of a VoIP gateway include
voice and fax compression/decompression
packetization
call routing
control signaling
www.call2customer.net

8.  the same protocols and codecs
that your VoIP service and or VoIP phone
system support
If you’re the responsible person,
 for the set-up, installation and maintenance
of a VoIP gateway you will want to further
your knowledge in the area of protocols and
codecs.
VOIP Gateway
www.call2customer.net

9. Feel free to contact us and we’ll be glad to assist you.
http://call2customer.net/
Contact us through email:
Sales@call2customer.net
US : 1-202-8034783
www.call2customer.net