Number Portability
Ported Numbers Can Cause Calls to be Misrouted
Virtually all enterprises and most retail VoIP service providers route calls based on the dialed telephone number. This is a problem when the called party has ported their number to different carrier. Routing the call to the dialed number directs the call toward the carrier that owns the number, not the carrier that serves the subscriber. The call will be completed, but the enterprise or service provider originating the call will get a surprise when the termination cost is greater than expected.
The Challenge
Up to 40% of all telephone calls in the U.S. are made to ported telephone numbers. Routing calls based on the dialed telephone number can cause up to 40% of all calls being misrouted. For VoIP service providers, misrouted calls can degrade quality of service and increase termination fees by 15%-25%. Number portability correction becomes more critical everyday as the share of ported numbers continues to increase.
The Solution
The solution is simple and well established. Route telephone calls based on the ‘Routing Number’, not the dialed telephone number. However, for SIP service providers sending a number portability query to an external database adds expense and critical dependency on an external network resource.
TransNexus solutions solve these problems for service providers. TransNexus offers simple, low cost, high performance software platform for hosting the U.S. number portability database locally within your network. The server automatically stays synchronized with the U.S. Number Portability Administration Center (NPAC, www.npac.com) to ensure that your network has a near real time copy of the NPAC.
TransNexus Products
NexOSSNexOSS provides VoIP operators with an easy to use web interface for provisioning routes, rates, number translation rules and monitoring traffic analysis and billing reports.View Product Details |
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OSPrey-NPOSPrey-NP is a specialized version of the OSPrey platform and is based on years of proven carrier grade reliability and performance.View Product Details |
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Learn More About Number Portability
Presentations
Local Number Portability: What VoIP Providers Need to Know (Astricon 2009)
Blog Posts
NPAC’s Take on Number Portability
Articles
Mobile Number Portability Becomes Official in Ghana
The Benefits of Mobile Number Portability in Poor Service Countries
TransNexus Solutions
