(50,10) ()
Trunk sub-menu
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In the trunk menu, you can operate mmc items about
trunks, espcially ones per trunk.

01. CO telephone no     02. DID table
03. Trunk grouping      04. Music on hold
05. Names               06. On or off
07. Ringing station     08. Station's usability
09. Trunk timers        10. Toll restriction
11. Trunk types         12. T1 trunk type
