Table 94 configure a bri trunk – ZyXEL Communications IP PBX X6004 User Manual
Page 290

Chapter 18 Outbound Line Group
X6004 User’s Guide
290
Each field is described in the following table.
Table 94 Configure a BRI Trunk
LABEL
DESCRIPTION
BRI Trunk
Setting
Option
Specify the service type for this BRI trunk.
Select DDI/DID (Direct Dialing In) when you want people to use a
“direct number” to dial an outgoing call. You can also specify a prefix
number in the caller number that might be required by your telephone
company for outgoing calls using DDI/DID. See
for more information.
Select AA (Auto-Attendant) for all calls coming through this interface
will be switched to the Auto-Attendant system first. See
for more information.
Select Direct for all calls coming through this interface and from
trusted callers will be forwarded to extensions. See
for more information.
Select MSN (Multiple Subscribe Number) for all the calls to MSNs
coming through this interface will be switched to the Auto-Attendant
system first. See
Using Multiple ISDN Numbers on page 275
for more
information.
Directory
Number
Enter your ISDN number registered to your telephone company. This
number is used for the caller number when you make an outgoing call
through the trunk from the extension which cannot be found in the DDI
mapping table. This field can be 3-20 digits in length.
Available
Interface
This column displays the available slots and ports on the X6004. Click
one slot and port and then click the Right icon if you want to add it to
this outbound group.
Used Interface
This column displays the ports currently configured for this outbound
line group. Click one port and click the Left icon if you want to remove
it from the outbound group.
If you configure more than one interfaces in this outbound line group,
the X6004 check and pick one of them available for an outgoing call.
DDI/DID
Mapping
Use this section to configure your DDI mapping table.
DDI/DID Mask
Enter a number (1~20) to identify the extension mapping digits from
right to left, so a DDI mask of 2 applied to the incoming ISDN number
555-123456 would identify the numbers 56.
DDI/DID
Number,
Extension
Number
Enter the DDI number (like the example 56 above) and its associated
extension number (for example, 6012).
This field can be 1-10 digits or 1-10 digits - 1-10 digits (two sets of up
to ten digits separated by a hyphen). For example, 5783900 or
5783900-5783999.
Add
Click this to add a DDI mapping rule.
Delete
Click this to delete a DDI mapping rule.