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Enterprises looking to enable their IP-PBX systems with Enhanced 911 (E911) capabilities often purchase PS-ALI (Private Switch Automatic Location Identification) accounts that require them to perform extensive integration with the local carrier.
However, the centralized nature of IP telephony and its ability to support remote workers compromises the effectiveness of PS-ALI.
As an alternative, VPC (VoIP Positioning Center) solutions have emerged that successfully support advanced IP capabilities without the integration and management tasks associated with PS-ALI.
In this white paper, compare PS-ALI and VPC solutions to help determine the E911 service that best suits your needs.