Provider certification record

Open Tier Systems

Listed
RMD number
RMD0007450
FRN
0025356437
OCN
484-535-3600

Identity

Legal business name
Open Tier Systems
Doing-business-as
 
Foreign Voice Service Provider
No
Business address
700 E. Main Street, Suite 201, Norristown PA 19401
Filing contact
Andrew Trelease
Accounting Associate · Accounting
accounting@opentiersystems.com
(484) 685-0201
1710 Walton Rd Suite 301 Blue Bell PA 19422
United States of America

Classification

Provider role(s)
  • Voice service provider
STIR/SHAKEN implementation
RoleImplementation
Voice service providerNone
OverallNone
Exemption rules
We do not receive unauthenticated Session Initiation Protocol (SIP) calls directly from an originating provider. We use Microsoft Teams, Clearly IP, and Voneto exclusively - all of which are Grade A Full Attestation authenticated phone number providers.

Prior investigations / actions

Description
 

Robocall mitigation plan

Declaration

By
Brian McCarthy
Date
2024-12-12No Recertification Date

Listing history

DateEventDetail / diff
2024-12-12NewInitial certification filed and added to database.