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This content is no longer actively maintained. It is provided as is, for anyone who may still be using these technologies, with no warranties or claims of accuracy with regard to the most recent product version or service release.

The GetUserAtHost function takes a Uniform Resource Indicator (URI) string and extracts the user@hostname, if present. If a user@hostname value is not present, the function returns null.

Syntax

string GetUserAtHost(
  uri uri
);

Parameters

uri

A SIP URI whose hostname portion is returned. The function accepts only a valid SIP URI string in the following form: "Display Name" <sip:user@host:port;param=value> where "Display Name", :port and ;param=value are optional. For example, GetUserAtHost("sip:someone@example.com") returns the string "someone@example.com".

Return Values

Returns a string in the form user@hostname. Returns null if the requested data is not found or if the URI passed in is not a valid SIP URI in the form specified above. Live Communications Server 2003 applications that pass non-SIP URI strings to this function need to be modified to work properly with Office Communications Server 2007.

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