{"draft":"draft-ietf-sipping-deaf-req-03","doc_id":"RFC3351","title":" User Requirements for the Session Initiation Protocol (SIP) in Support of Deaf, Hard of Hearing and Speech-impaired Individuals ","authors":["N. Charlton","M. Gasson","G. Gybels","M. Spanner","A. van Wijk"],"format":["ASCII","HTML"],"page_count":"17","pub_status":"INFORMATIONAL","status":"INFORMATIONAL","source":"Session Initiation Proposal Investigation","abstract":" ","pub_date":"July 2002","keywords":["relay service","transcoding service","textphone"],"obsoletes":[],"obsoleted_by":[],"updates":[],"updated_by":[],"see_also":[],"doi":"10.17487\/RFC3351","errata_url":null}