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MERLIN LEGENDCommunications System Release 6.1
System Planning
555-661-112
Issue 1
August 1998
Lines/Trunks
Page 3-18Selecting Line/Trunk Options
3
Remote Access 3
!
SecurityAlert:
The Remote Access feature of your system, if you choose to use it, permits
off-premises callers to access the system from a remote telephone by using
an 800 number or a 7- or 10-digit telephone number. The system returns an
acknowledgment signaling the user to enter his or her barrier code, which is
selected and programmed by the system manager. After the barrier code is
accepted, the system returns dial tone to the user. If you do not program
specific egress restrictions, the user will be able to place any call normally
dialed from a telephone associated with the system. Such an off-premises
network call is originated at, and will be billed from, the system location.
The Remote Access feature, as designed, helps the customer, through
proper programming, to minimize the ability of unauthorized persons to gain
access to the network. Most commonly, phone numbers and codes are
compromised when overheard in a public location, through theft of a wallet
or purse containing access information, or through carelessness (writing
codes on a piece of paper and improperly discarding it). Additionally,
hackers may use a computer to dial an access code and then publish the
information to other hackers.
(See Appendix A, “Customer Support Information,” for more information
about security.)
Use these instructions only if remote users need access to the system. Systems
that are part of a private network need to use these instructions to modify Remote
Access so that users can access remote trunks. Otherwise, skip to the next
section, “DS1 Connectivity (100D Module).”
The Remote Access feature allows people to use the system from a remote
location. It also allows remote system programming and maintenance by a
qualified technician.
You can assign remote access to any incoming line/trunk connected to the system
except T1 Switched 56 data facilities, DID and dial-in tie trunks, and private
network tandem trunks. (For DID, the routing digits supplied by the central office
must match the remote access code.)
This section contains instructions for:
■ Renumbering the remote access code from the factory setting
■ Allowing access to the Automatic Callback feature
■ Designating trunks for remote access
■ Specifying shared or dedicated access
■ Assigning barrier codes and class-of-restriction for security
■ Allowing access to private network tandem trunks