3Com S200 manual About Voice over IP VoIP, Voice over IP Network, Features

About Voice over IP (VoIP)

About Voice over IP (VoIP)

What is VoIP? PathBuilder S200 series switch products support Voice over IP (VoIP) to provide termination and encapsulation of voice and fax traffic for transport over an IP network (see to Figure 1). 3Com’s proprietary protocol, Serial Protocol over TCP (SoTCP), provides the encapsulation mechanism for carrying voice traffic over an IP network.

Fax

IP Network

Fax

PBX

Fax

modem

Figure 1. Voice over IP Network

VoIP Applications VoIP provides new and cost effective solutions for a company’s telephony communication including:

•Long distance calling over an Intranet or the Internet

•Remote location dial-in and telecommuting

Features Key features include:

•real-time voice and fax over IP networks

•multiple SVCs over a single UDP session

•call management and signalling using TCP

Product Support These PathBuilder S200 series switches support VoIP:

•PathBuilder S21x switch

•PathBuilder S24x, 26x, and 27x switch

2 Voice Over IP