@techreport{ietf-acme-service-provider-02,
    number =    {draft-ietf-acme-service-provider-02},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-ietf-acme-service-provider/02/},
    author =    {Mary Barnes and Chris Wendt},
    title =     {{ACME Identifiers and Challenges for VoIP Service Providers}},
    pagetotal = 9,
    year =      2017,
    month =     oct,
    day =       30,
    abstract =  {This document specifies identifiers and challenges required to enable the Automated Certificate Management Environment (ACME) to issue certificates for VoIP service providers to support Secure Telephony Identity (STI).},
}