Instruction manual

Introduction
When BRI lines are ordered, the following important information used for MERLIN
LEGEND installation is provided by the local telephone company:
■
■
■
Directory Number (DN)
Each Digital Subscriber Line (DSL) has two 64-Kbps B-channels capable of
allowing two separate calls to be placed or received at once. For each DSL,
two telephone numbers, also known as DNs, are assigned.
Service Profile ID (SPID)
One SPID is provided for each DN ordered, The SPID is generally consists of a
string often digits O through 9. The SPID is required for system programming.
Multiline Hunt Group (MLHG) hunt sequence
The MLHG features allows a customer to publish one telephone number with
access to number of lines needed to handle incoming and outgoing call
volumes. If the customer orders the MLHG feature, the DNs will hunt in a specific
sequence. Normally the sequence is linear, starting with the lowest DN. This
information may be used for the following system programming:
— Assigning BRI lines to pools, This ensures that outgoing BRI lines
can be selected in reverse order from expected incoming
call volume.
2 Basic Rate Interface (BRI) Provisioning Guide