Single points of failure in the 9-1-1 network should not be tolerated. Network and Emergency Services providers should design and deploy fault tolerant systems which will eliminate, as much as possible, single points of failure that prevent routing 9-1-1 calls successfully. The solution should be capable of delivering a 9-1-1 call to a designated default Public Safety Answering Point (PSAP)(?) during times of network failure through either alternate routing, Emergency Stand Alone (ESA) / Emergency Transport Backup (ETB) / Emergency Line Access (ELA) capabilities, cellular networks, etc. and should be automated when/where possible. Very clearly, the first priority is to route the call to a designated PSAP.
It is understood that during an isolation of the remote switch or another failure of the network, features such as Automatic Number Identification (ANI) and Automatic Location Identification (ALI) may not be provided. This document provides NENAs recommendations to accomplish those goals. Adoption of these practices should immediately be considered by all entities involved in providing 9-1-1 service.
This document provides NENAs recommendations to accomplish the above purpose. Adoption of these practices should immediately be considered by all entities involved in providing 9-1-1 service.
This document provides recommendations which can be a resource for technicians, administrators and managers who are charged with maintaining quality assurance over the network and help them better manage network performance.
| Document | Size |
|---|---|
| Network Quality Assurance.pdf | 189.59 KB |