The following terms are defined in [MS-OXGLOS]:
Globally Routable User Agent URI (GRUU)
Uniform Resource Locator (URL)
user agent client (UAC)
Wireless Application Protocol (WAP) Binary XML (WBXML)
The following terms are specific to this document:
MAY, SHOULD, MUST, SHOULD NOT, MUST NOT: These terms (in all caps) are used as defined in [RFC2119]. All statements of optional behavior use either MAY, SHOULD, or SHOULD NOT.