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With the CrystalBlue Voice Service, multiple broadband links sourced from multiple broadband service providers can be easily combined to form a single high-availability network connection. RAIL-based IP telephony connections are more scalable than individual cable or DSL links, more cost-effective than T-carrier bandwidth and more reliable than all of them. Inspired by the use of disk arrays in the storage industry for increasing the capacity and reliability of storage systems, RAIL brings a similar concept to the delivery of commercial voice service by utilizing standard broadband links to expand the network bandwidth while optimizing its cost, availability and performance. 
As part of Whalebacks all-inclusive managed service offering, RAIL technology is included by Whaleback as a standard feature. All system elements used for the CrystalBlue Voice Service, including the PBX enabled with RAIL technology and the telephone handsets, are centrally monitored and managed by Whaleback using OrcaVision on a continuous basis. RAIL technology is available with two levels of redundancy. RAIL Level 1 is intended for customers who only require a single dedicated broadband voice link to support their user population and wish to utilize their broadband data connection as a hot-standby connection. RAIL Level 2 is for customers who require multiple dedicated broadband voice links to support their user community and who want to ensure redundancy, load balancing and service level optimization. RAIL includes new hardware and software elements incorporated into Whaleback’s premises-based IP telephony solution. A RAIL-enabled router provided by Whaleback is used to interface multiple broadband links to a Whaleback IP-PBX server located at the customer premise. RAIL software embedded in both the router and the server work together to monitor changes in call volume and link quality over the end-to-end path taken on one or more IP networks. The RAIL system dynamically adjusts to changing conditions by selecting the optimum path for the customer’s calls based on traffic levels, service quality or link status. Using RAIL technology, small to mid-sized business environments with large end-user populations or those requiring high-availability telephone services can make use of standard broadband cable or DSL connections to supply scalable bandwidth at a lower cost than a comparable T-carrier service. At the same time, the use of multiple broadband links provides network redundancy to safeguard against a disruption in service. In the event of a network outage, unusual traffic congestion or unexpected service level degradation, the RAIL system will automatically re-route voice traffic to an alternate link. When normal service levels are restored, the traffic will be re-balanced across the available links. Because the system continuously provides performance optimization, voice traffic will always follow the path offering the highest call quality. For more information about how you can benefit from redundant, path-optimized broadband links, contact Whaleback today.
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