Enterprise Communications Systems(ECS) (formerly Multiline Telephone Systems)

Enterprise Communication Systems (ECS) 

(Formerly known as Multi-Line Telephone Systems (MLTS))

An enterprise may include, but is not limited to, business entitiesgovernmental agencies or facilities, shared residential facilities, and educational institutions.

E9-1-1 Compliance Information for Owners and Operators

According to 30 V.S.A., Chapter 87, §7057 “Any privately-owned telephone system shall provide to those end users the same level of 9-1-1 service that other end users receive and shall provide ANI signaling, station identification data, and updates to Enhanced 9-1-1 databases under rules adopted by the Board” (for the full text of §7057, click here).

For additional information regarding compliance requirements for ECS owners, go to E9-1-1 ECS Information Sheet click here and view the Frequently Asked Questions click here section.

E9-1-1 Compliance ECS Testing

The Enhanced 9-1-1 Board works with ECS owners and operators to test their telephone systems for compliance. If you would like to schedule test calls click here for a test form and instructions.

Upload and Maintenance of Telephone Number Records

Compliance begins with the delivery of a unique telephone number and station level identification data, such as floor and room number, but equally as important as providing this information is ensuring the ongoing maintenance and accuracy of the data as telephones/stations are added, moved or deleted.

ECS owners have a few options for uploading and maintaining their records in compliance with 9-1-1:

  1. Working with the VT 9-1-1 Board’s Database Management Service Provider (DBMSP), ECS owners can upload, view and maintain their records using a secure web interface (PSALI).  To receive more information about WebDBMS, please contact Consolidated Communications (formerly Fairpoint) at (802) 951-1554 or E-mail.
  2. Several Vermont dial tone providers offer ECS database maintenance service as part of their PBX/Centrex service offering. ECS owners should coordinate with their dial tone provider to confirm that it offers such a service and determine the costs. 
  3. ECS owners may opt to contract with a third-party database provider to upload and maintain their records in the 9-1-1 database.  A third-party database provider would need to coordinate with the VT E9-1-1 Board’s Database Management Service Provider (DBMSP).  Please refer to www.nena.org for a list of vendors that provide this type of service. 

Regardless of which option is chosen, addresses are required to be validated against the Geographic Information Systems Master Street Address Guide (GIS MSAG) as part of the maintenance process to ensure a successful update to the 9-1-1 Database.  

Database Error and Resolution Reporting

ALI Discrepancies and Records Not Found (RNFs) are reported by the PSAPs and Board staff, every business day, and are viewed by VT 9-1-1 Board’s Database Management Service Provider (DBMSP) in WebDBMS.  ECS owners will be contacted directly by VT 9-1-1 Board’s DBMSP via email if they have any ALI Discrepancies/RNFs which need to be resolved.  ECS owners coordinating maintenance directly with their dial tone providers, will be contacted by their respective dial tone providers.  ECS owners subscribing to a third-party database provider will be contacted by their vendor.  These discrepancies need to be resolved within one business day of receipt, or within three business days under special circumstances.


For additional questions about ECS compliance requirements please contact us.