Provider certification record

CST

Listed
Deficiency Report ↓︎Similarity Report ↓︎View on FCC RMD ↗︎
RMD number
RMD0039840
FRN
0038331518
OCN
 

Identity

Legal business name
CST
Doing-business-as
 
Foreign Voice Service Provider
No
Business address
6947 JOY ST, CHINO CA 91710
Filing contact
Esteban Ventura
Owner · esteban ventura
steve.ventura@gmail.com
(310) 579-5332
6947 JOY ST CHINO CA 91710
United States of America
Principals, Affiliates, Subsidiaries, and Parent Companies
No parent company, subsidiaries, or affiliates. This is an independently owned business.

Classification

Provider role(s)
  • Voice service provider
STIR/SHAKEN implementation
RoleImplementation
Voice service providerComplete
OverallComplete

Prior investigations / actions

Description
 

Robocall mitigation plan

PDF Robocall Mitigation.pdfFiled 2026-04-22 · 59 KB

Declaration

By
Esteban Ventura
Date
2026-04-22No Recertification Date

Listing history

DateEventDetail / diff
2026-05-14NewInitial certification filed and added to database.