%% You should probably cite rfc2806 instead of this I-D. @techreport{antti-telephony-url-11, number = {draft-antti-telephony-url-11}, type = {Internet-Draft}, institution = {Internet Engineering Task Force}, publisher = {Internet Engineering Task Force}, note = {Work in Progress}, url = {https://datatracker.ietf.org/doc/draft-antti-telephony-url/11/}, author = {Antti Vaha-Sipila and Antti Vaha-Sipila}, title = {{URLs for Telephone Calls}}, pagetotal = 21, year = 1999, month = oct, day = 8, abstract = {This document specifies URL (Uniform Resource Locator) schemes "tel", "fax" and "modem" for specifying the location of a terminal in the phone network and the connection types (modes of operation) that can be used to connect to that entity. {[}STANDARDS-TRACK{]}}, }