Instruction manual

Small business communications systems

6-54 Issue 9 May 2003

■ You may contact your 800 carrier and restrict access to your 800#’s from locations

you do not wish to receive 800 calls from, if applicable.

■ You may call your local carrier and restrict 3

party billing.

■ It is recommended to restrict access to 500 service through Disallowed List 3 and

Table 13.

■ Using marked System Speed Dial numbers may leave an opening for toll fraud.

■ Using Remote Line Access may leave an opening for toll fraud.

■ Using Remote Call Forwarding may leave an opening for toll fraud.

■ It is necessary to restrict the voice ports.

■ It is recommended to create Disallowed List 7, and include the most commonly

dialed numbers used by hackers and assign the list to the voice ports.

■ It is recommended in Legend R3.0 and less, to restrict all extensions from dialing

“0” for the local operator. You may dial 9-1010288 or 800-CALL-ATT instead. Not

restricting may leave an opening for toll fraud. Legend R3.1 and greater, and all

Magix automatically have Disallow List 7.

■ Merlin Legend Mail R1. Restrict transfer to registered subscribers only.

■ It is recommended to outward restrict the ports for any Auto Attendant.