Multitech VoIP Operation & User’s Manual

Text of Multitech VoIP User Guide:

• Content Toll-bypass Long Distance Calling ...................... 1 What Is VOIP? ......................................................... 2 That Was Then... This is Now... Immediate Cost Savings ....................................... 3 Applications ........................................................... 3 Office-to-office Communication Off-net Calling Create Off-premise Exten

• Multitech VoIP, 1 Toll-bypass Long Distance Calling Now multi-location businesses can use the Internet or a private network (Intranet) for long distance voice and fax communications and save thousands of dollars annually. Instead of paying your long distance carrier to route long distance calls between offices, any IP data network can route the calls using a technology called Voice over IP (VOIP). It doesn't matter if you are using the Internet, a private Intranet, ISDN, DSL, frame relay, wireless, or satellite for your data communications network, as long as it uses the Internet Protocol (IP). If you make frequent long distance calls to a remote site, you already kn

• Multitech VoIP, What is VOIP? VOIP lets you make toll-free long distance voice and fax calls over existing IP data networks instead of the public switched telephone network (PSTN). Today businesses that implement their own VOIP solution can dramatically cut long distance costs between two or more locations. That Was Then... For the past 100 years people have relied on the PSTN for voice communication. During a call between two locations, the line is dedicated to the two parties that are using it. No other information can travel over the line, although there is often plenty of bandwidth

• Multitech VoIP, 3 Immediate Cost Savings VOIP solutions provide the potential to save substantial amounts in long distance charges. Businesses with remote offices worldwide or just in a different area code miles away can profit from a VOIP solution. Even with the most inexpensive calling plans, a VOIP network, such as Multi-Tech’s MultiVOIP gateway solution, can quickly return your investment and begin paying you back. In fact, after the one-time investment is paid off, the VOIP solution begins to create profit for your company. Applications Voice over IP is ideal for multi-location businesses looking to reduce toll charges associated with intra-office calling. It is designed to help you maxi

• Multitech VoIP, 4 Create Off-premise Extensions Extend the reach of your PBX into home office locations. Simply connect a VOIP solution to the PBX at the corporate office, and another VOIP solution at the remote office. Now, anyone can place calls to the remote office by simply dialing an extension number. Replace Expensive Tie Lines A company that utilizes tie lines to connect branch office PBXs to the corporate PBX can now use their own IP-based Wide Area Network to complete the call. Business Quality Voice Independent tests of VOIP systems have shown that they are perfectly capable of delivering “toll-quality” voice. The actual voice qu

• Multitech VoIP, 5 Bandwidth Requirements One common misconception about VOIP is that it is a bandwidth hog, when, in fact, voice is a very efficient type of traffic. Voice compression standards like G.729 (8:1) and G.723 (10:1) are used to minimize the bandwidth required for voice. G.723, for instance, is the maximum compression rate and requires only 5.3K bps (plus an added 7-8K bps for IP overhead). Even at maximum compression, your VOIP solution will still provide near toll-quality voice. As a rule of thumb, 14K bps of bandwidth per call is

• Multitech VoIP, VOIP Server Cards VOIP server cards can be an economical VOIP solution. However, they must be compatible with the server and operating system and installations can be complex. IP-based PBX The IP-based PBX is usually software running on a computer based server. However, it often requires a forklift upgrade of the existing PBX, or at a minimum, an extensive software and/or hardware upgrade. An IP-based PBX is typically marketed to new installations where no legacy system is in place. PC-based Telephony PC-based telephony software is by far the cheapest VOIP solution, but it is also the clumsiest. It requires user

• The Multi-Tech VOIP Solution Multi-Tech's award-winning MultiVOIP provides an easy and low-risk way for your business to save on long distance voice and fax costs. Easy to Install You don't have to change your PBX, data network, or Internet/Intranet access to implement the MultiVOIP solution. There is no integrating this device with a PC, a server, or

• Multitech VoIP, Requirements You probably already have what you need to deploy a MultiVOIP network and start saving on long distance calls. To determine the number of ports that you need, first determine what percentage of the long distance bill is used for intra-office communication (typically between 25- 40%), then multiply the percentage by the number of lines at the location. If you are using tie lines, for every line that you support, you will need one port on the MultiVOIP. MultiVOIP Models To learn more about the MultiVOIP family visit our web site at www.multitech.com/products/multivoip. Try VOIP Now! You be the judge! Call our toll-free demo (in the USA) 1-877-TRYVOIP and hear for your

• Multitech VoIP, VOIP Terms bad frame interpolation interpolates lost/corrupted packets by using the previously received voice frames. It increases voice quality by making the voice transmission more robust in bursty error environments. compression is used at anywhere from 1:1 to 12:1 ratios in VOIP applications to consume less bandwidth and leave more for data or other voice/fax communications. The voice quality may decrease with increased compression ratios. DiffServ (Differentiated Services) is a quality of service protocol that prioritizes IP voice and data traffic to help preserve voice quality even when network traffic is heavy. dynamic jitter buffer collects voice packets, stores them, and sh

• Multitech VoIP, Copyright © 2002 by Multi-Tech Systems, Inc. All rights reserved. 4/02 86000461 Trademarks: MultiVOIP, Multi-Tech, and the Multi-Tech logo: Multi-Tech Systems, Inc. / All other products or technologies are the trademarks or registered trademarks of their respective holders. / Model numbers, product specifications, and prices are subject to change without notice. WORLD HEADQUARTERS Tel: (763) 785-3500 (800) 328-9717 www.multitech.com MULTI-TECH SYSTEMS (FRANCE) Tel: +(33) 1-64 61 09 81 MULTI-TECH SYSTEMS ( UK ) Tel: +(44) 118 959 7774 Who’s Multi-Tech? Succes

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