(last updated 2012-09-23) Resource Identifier (RI) Scheme name: wtai Status: provisional Scheme syntax: wtai://wp/mc/+18165551212 Scheme semantics: Wireless Telephony Application Interface Encoding considerations: Unknown, use with care. Applications/protocols that use this scheme name: See Application Protocol Wireless Application Environment Specification Version 1.1 for details. Interoperability considerations: Unknown, use with care. May be unsuitable for open use on the public internet. Security considerations: Unknown, use with care. Contact: Registering party: Dave Thaler Scheme creator: WAP Forum Author/Change controller: Either the registering party or someone who is verified to represent the scheme creator. See previous answer. References: http://www.wapforum.org/what/technical/SPEC-WAESpec-19990524.pdf#Wireless (file created 2012-09-23)