It means you need PRI.

ELCOT means analog CO line.

The basic FWD is part of std SW. The simultaneous ring of cell or any other number as part of an ICD group is the enhanced feature, that needs PRI, might work with SIP DID, check with Tech Support.

Move up to 100 or NCP.

Last edited by brokeda; 02/16/15 07:55 PM.