Number Portability (NP) - a.k.a. Local Number Portability (LNP), Mobile Number Portability (MNP), and Wireless Number Portability (WLNP) is the ability of voice services subscribers to retain their existing telephone numbers when changing service providers within the same market place.
NP, a regulation imposed on voice service providers by government regulatory bodies in several countries, triggered a forceful battle for subscribers. Consequently, service providers are facing overwhelming revenue volatility as subscribers can now shop for better services with the convenience of taking their phone numbers with them wherever they go. Another upheaval service providers are facing is the costs involved with the regulatory compliance; and the costs of upgrading their Time Division Multiplexing (TDM) network to a Next Generation Network (NGN).
HP and Veraz Networks offer a joint solution for migrating NP from legacy Intelligent Network (IN) systems to a more flexible Session Initiation Protocol (SIP)-based solution. This pure SIP-based NGN solution enables service providers to easily upgrade their current infrastructure and implement NP while avoiding additional investments in legacy infrastructure.
One of the prevailing trends in the industry is to transition from legacy IN Service Control Points (SCPs) to NGN SCPs. The joint solution enables service providers to efficiently transition to a service-rich IMS architecture with SIP-based SCPs, thereby benefiting from the inherent advantages of deploying NGNs that have an open, standards-based distributed architecture that can be centrally managed.
This jointly developed solution integrates Veraz’s SIP Gateway within the Veraz ControlSwitch™, a programmable softswitch and service delivery platform, with the HP Universal Number Portability (UNP) Application Server running on top of the HP OpenCall Universal Signaling Platform (USP). The solution verifies the actual location of the dialed phone number by sending SIP queries to the NP database of the HP UNP Application Server and utilizes the returned information to connect subscribers that have changed providers. The programmable ControlSwitch coordinates interactions with the HP UNP Application Server and other service platforms in the network.
The HP UNP Application Server implements a SIP Redirect Server built over HP OpenCall USP SIP stack. The Number Portability Database contains information for ported numbers: the MSISDN and the associated RN (Routing Number). It is based on Oracle TimesTen™ Real Time In- Memory DB, a telecom industry proven time-critical Data management system, and is fully integrated with the SIP redirect logic.
This NGN solution helping customers to align their network infrastructure with their business goals, market opportunities, legacy requirements, and subscribers’ accessibility and satisfaction needs.
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Ability to migrate from legacy Intelligent Network (IN) to Session Initiation Protocol (SIP) quickly and cost-effectively- Easy and cost effective LNP implementation and compliance
- LNP service provision to existing and new VoIP subscribers as they transition their legacy systems
- High programmability allows faster responses to constantly changing regulatory mandates
- Seamless number transfers using disparate networks
- Enables efficient transition to a service-rich IMS architecture supporting LNP
