4.3 GRUU Mechanism

The following examples demonstrate various GRUU syntaxes:

A GRUU for the user agent that follows the registration procedure defined in [MS-SIPREGE] is as follows:

sip:alice@contoso.com;gruu;opaque=user:epid:qIIWS2j5AVeD_HxnQdxmlwAA

A GRUU for an application that implements the voice mail service for the user is as follows:

sip:alice@contoso.com;gruu;opaque=app:voicemail

GRUUs for multimedia conference endpoints are as follows:

sip:alice@contoso.com;gruu;opaque=app:conf:focus:id:36022956C3FC3243B8121CD611363ED0
sip:alice@contoso.com;gruu;opaque=app:conf:chat:id:36022956C3FC3243B8121CD611363ED0
sip:alice@contoso.com;gruu;opaque=app:conf:audiovideo:id:36022956C3FC3243B8121CD611363ED0

GRUUs for servers are as follows:

sip:homeserver.contoso.com@contoso.com;gruu;opaque=srvr:HomeServer:dL8cwxBrTuG8eC4-Q_GNGAAA
sip:mediationserver.contoso.com@contoso.com;gruu;opaque=srvr:MediationServer:_tRfGncbQyun3v75Q1qr9QAA
sip:mrasserver.contoso.com@contoso.com;gruu;opaque=srvr:MRAS:OKPDbAVxIEKtPh2g624vPAAA
sip:qosmserver.contoso.com@contoso.com;gruu;opaque=srvr:QoSM:WftfTuTVQCSAB0ZJi-j7qAAA