Don’t Get Left Behind
Many legacy Selective Router (SR) platforms are reaching an end-of-support and end-of-life stage. Comtech xSR, an Internet Protocol (IP)-based replacement for legacy SRs, provides both a solution to the support issue and a fundamental building block in the migration to full Next Generation 9‑1‑1 (NG9‑1‑1) capability.
Comtech xSR is an IP-based SR that delivers calls to legacy and NG9‑1‑1 public safety answering points (PSAPs). It routes calls based upon geospatial data, ensuring that all current and future call types—including text, multimedia, Voice over IP (VoIP), wireless, and landline—can be routed to the appropriate PSAP. Routing rules are defined in the solution, such as call delivery based upon the geography of an incoming call. Methods include traditional SR tables, Dialed Number Identification Service (DNIS), Geographic Information System (GIS), and a hybrid configuration of Automatic Location Identification (ALI) and SR tables. Highly redundant and scalable, Comtech xSR supports location by value (LbyV), location by reference (LbyR), traditional ALI lookup, and ALI steering.
- National Emergency Number Association (NENA): NENA i3
- Alliance for Telecommunications Industry Solutions (ATIS): JTD‑110, IMSESINET, NGES, IMS911, ELOC, ESIF
- Internet Engineering Task Force (IETF): SIPCORE, ECRIT, SIPREC, GEOPRIV
Features & Benefits
|Active‑Active Design||Offers the highest availability, with no manual interaction required.|
|Geographic Redundancy||Can be deployed in a geographically redundant manner, increasing availability.|
|CPE Interoperability||Successfully deployed with a variety of customer premises equipment (CPE) applications.|
|Message Session Relay Protocol (MSRP) Text to 9‑1‑1 Support||Enables native MSRP Text to 9‑1‑1; functions as a text-only Emergency Services IP Network ESInet to provide states with an aggregation and MSRP distribution point.|
|Proven NENA i3 Flexibility||Successfully deployed using other NENA i3-aligned components within the solution.|
|Multiple Deployment Models||Deployed as a dedicated, “in-network” solution or as a managed service.|
|End-to-End Functionality||Supports true end-to-end functionality, taking 9‑1‑1 traffic all the way from the carrier's circuits to the PSAP demarcations.|
|Text to 9‑1‑1 Aggregation||Can be deployed as a text-only solution for those jurisdictions not ready to fully deploy NG9‑1‑1.|