RE: [Sip] From/To "tag" parameter

["Brett Tate" <brett@broadsoft.com>]

> Is it possible for a From tag and/or To tag 
> parameter to contain a semi-colon?

It is not legal per rfc3261's "token" definition.
A non escaped semi-colon used within the 
tag would be interpreted as a parameter separator
within the header.

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