Aspects of the subject technology provide for secure, privacy-preserving access to electronic conferencing. In one or more implementations, a server may receive a request to contact an account via a service, the request including a service-specific alias for the account. The service-specific alias may be configured for contact with one or more devices associated with the account via a set of services. The server may allow or deny contact with the one or more devices associated with the account via the service, based on whether the service is included in the set of services for the service-specific alias. In one or more implementations, the service is an electronic conferencing service.