| ign="center"> | | | | delivering the VoIP application. |
| Voice Quality in VoIP Networks | | | | ⢠Continuous -- The VoIP network must be |
| Businesses and organizations everywhere are looking | | | | measured continuously, in real-time, and throughout the |
| for cheaper communications using VoIP these days. | | | | life cycle of the VoIP application. |
| There are huge cost savings from the old telco pricing | | | | ⢠Comprehensive -- Network measurement |
| levels even now for voice and data communications. | | | | must include both active performance verification and |
| Of course, adopting VoIP means different things to | | | | passive performance monitoring. |
| different companies. Some find that bridging their | | | | How is Quality measured |
| existing PBX systems via IP trunking is a | | | | Todayâs most sophisticated measurement |
| cost-effective way to leverage their IP network and | | | | suites deliver an objective measure of voice quality |
| preserve their investment in traditional circuit-switched | | | | based on the ITU-T G.107 (E-Model) standard. |
| infrastructure. Others are extending IP telephony | | | | PUTTING THE QUALITY IN QoS |
| throughout the enterprise with software-based call | | | | As legacy systems depreciate and renew more |
| servers and IP phones on the desktop. Additionally, | | | | organizations will adopt the advantages of VoIP. As |
| many enterprises are also taking advantage of | | | | they do so enterprise managers should remember the |
| IP-based audio conferencing and call centers. Smaller | | | | importance of VoIP measurement strategy to maintain |
| companies, eager to offload voice infrastructure | | | | quality levels. Not doing so leaves mission-critical voice |
| maintenance, are turning to provider-hosted solutions, | | | | and data applications at risk which could be an |
| such as IP Centrex or unified messaging services. | | | | expensive error. |
| But whereas some IT professionals are leaping in with | | | | Good Measurement and Management allows : |
| both feet, others are hanging back. And while some | | | | ⢠A precise analysis of call quality using the |
| are not yet convinced of the VoIP business case, the | | | | same criteria that determines user satisfaction; |
| vast majority is hesitant due to well-founded concerns | | | | ⢠Pinpoint trouble areas, in time to prevent |
| about voice quality -- especially for calls that will be | | | | service interruption; |
| routed over a WAN or the Internet. Voice is a | | | | ⢠Evaluate service provider responsibility for |
| mission-critical application and many enterprises are | | | | performance issues; and |
| simply unwilling to make the leap to VoIP until they can | | | | ⢠Provide the information needed to plan |
| be assured that users will enjoy the same voice quality | | | | network and service enhancements effectively. |
| and call reliability they currently have with their legacy | | | | Conclusion |
| PBX/PSTN infrastructure for each and every call. | | | | Answer the call of the future with VOIP. Speak to a |
| Is it the IP Network that causes the problems ? | | | | systems architect who can give you business quality |
| Often this is the main reason ! Loss of packets, | | | | solutions and equipment to ensure you arenât |
| network jitter, endpoint jitter and latency all add to | | | | in hello ! hello ! business communications mode. |
| possible small but annoying delays, echoes and | | | | Report this article |
| talkover occurring. This can be very frustrating and | | | | This article is free for republishing |
| particularly in a business situation difficult to work with | | | | Source: |
| as it is the unwritten rule it will go wrong when you | | | | Republish this article |
| really need it. The fact that call quality was good | | | | |
| yesterday or minutes ago does not ensure good | | | | Ask a Question About this Article |
| quality on the next call, due to the dynamic nature of IP | | | | >> How do I get this girl to like me in middle school |
| networks and their ever-changing usage patterns. | | | | ... |
| Measuring quality ensures your High Quality IP | | | | >> Hello kitty sailor tank top |
| Communications | | | | >> Our neighbors' girl is obsessed with hello kitty, |
| ⢠Pervasive -- Measurement must encompass | | | | what types of hello kitty merchandise is out there and |
| all IP network infrastructure and services engaged in | | | | where can i buy some from? |