The RCF message may include the terminalAlias and terminalAliasPattern elements.
According to the description of the terminalAlias element, it is used to:
1. Inform the terminal about alias addresses by which other terminals may identify the terminal 2. To assign an alias (or multiple aliases) to a terminal when it does not specify an alias in the RRQ
According to the description of the terminalAliasPattern element, it is used to:
1. Inform the terminal about the alias(es), from the list of aliases in the RRQ, that are accepted 2. To assign an alias (or multiple aliases) to a terminal when it does not specify an alias in the RRQ
It is not clear whether the contents of terminalAlias "override" the alias(es) in the RRQ. I.e. should (or shall) the terminal only use an alias(es) from the list returned in the RCF and forget about the alias(es) that it used in the RRQ? Or is this information provided so the terminal will accept incoming calls destined for these returned aliases?
For terminalAliasPattern, this seems to be somewhat clearer, as the description says something about "acceptable aliases from the RRQ". Still, the text doesn't go at great lengths to explain what acceptable means.
Regards,
Frank
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