Station ID suffix

 

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If you are sending a fax to another Zetafax system, you can specify the recipient's user name to cause the fax to be routed directly to that user. This is done by adding the user name to the end of the destination fax number, separated by a colon (e.g. "012 345 9876:SAM"). You can also set up other routing names for use with this mechanism such as extension numbers or descriptive names (for example "SALES").

 

The user name or parameter is sent to the remote fax system by adding it to the end of the station identifier, or CSID. This is the identifier programmed into all fax machines and printed on the top line of faxes they send, and is usually set to the sender's fax number. Sometimes called "colon routing", this routing method is also supported for faxes sent to and from other PC fax systems.  ITU sub-addressing or T30 sub-addressing

 

The Group III fax specification has recently been extended to allow for sub-addressing in addition to the basic fax number. At first only fax software will support this, but in the future expect to see fax machines with an extra button or two. It works in the same way as Sender ID extension routing, as described above.