Simplifying IP Telephony with 3Com Solutions and IBM System i

The IBM/3Com solutions puts VOIP on a platform that is already being maintained by skilled administrators who have proven results keeping important applications up and running.

Best overall value

IBM together with IBM have created the best VOIP solutions for i Series customers. Saving comes from lowering your costs of traditional telephony from reduction in administration and telco charges.

VOIP Terminology

SIP Session Initiation Protocol is a standard for initiating, modifying, and terminating an interactive user session that involves multimedia elements such as video, voice, instant messaging, online games, and virtual reality. SIP clients traditionally use TCP and UDP port 5060 to connect to SIP servers and other SIP endpoints. SIP is primarily used in setting up and tearing down voice or video calls.

VOIP Voice over Internet Protocol, is the routing of voice conversations over the Internet or through any other IP-based network.

PSTN public switched telephone network is the concentration of the world's public circuit switching telephone networks in much the same way that the "Internet" is the concentration of the world's public "Internet" protocol based packet switching networks. Originally a network of fixed-line analog telephone systems, the PSTN is now almost entirely digital and now includes Mobile phone as well as fixed telephones.

UM Unified Messaging is the integration of different streams of messages (e-mail, Fax, voice, video, etc.) into a single in-box, accessible from a variety of different devices.