Figure 6-1
˙
There are staff phones in cubes and offices, and utility phones in public areas.
˙
Each phone has one extension, and can call any extension without limitation.
˙
Only staff phones can call out to PSTN with a prefix 9.
˙
Incoming PSTN calls are answered by auto attendant and could be transferred to any
extension.
Configuration steps:
1.
Create usergroups named
staff
,
utility
, and
ext-all
.
2.
Add
staff
and
utility
in the Reachable User Groups of
ext-all
.
3.
Create a user account for each staff and assign it to usergroup
staff
.
4.
Create an additional user account named
public
and assign it to usergroup
utility
.
5.
Create a device for each physical phone and designate an extension.
6.
Assign extensions of staff phones to corresponding users.
7.
Assign all extensions of utility phones to share the same user
public
.
8.
Create a route, named
pstn
with pattern “
9.
” number of digits stripped “
1
”, and no prefix.
9.
Create a routegroup named
pstn-out
, and add route
pstn
only.
10. Create a PSTN trunk with ID “1”, port “1-2”, do not select any DID of extension, and select
ext-
all
as the usergroup of privilege.
11. Return to usergroup configuration. For usergroup
staff
, choose pstn-out as outbound
routegroup, click
pstn1
in Associated Trunks, and select
utility
in Reachable User Group; while
for usergroup
utility
, only select
staff
in Reachable User Group.
12. Reload the IP PBX Service.
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