Reference: You can find guidelines on PSTN carrier requirements in the Genesys Cloud CX Resource Center. The Genesys Cloud CX Resource Center provides documentation and resources for using and configuring Genesys Cloud CX features and functions. The PSTN carrier requirements article lists the minimum requirements that a PSTN carrier must meet to work with Genesys Cloud CX. Reference: https://help.mypurecloud.com/articles/pstn-carrier-requirements/ https://help.mypurecloud.com/