PSTN
WAN
But, LBR let’s us address
two other factors:
called
calling
GOOD
BAD
Start
Is global LBR on?
Yes
No
Is user
enabled for LBR?
Yes
Is source site
known and LBR
enabled?
Yes
Use next usage in user s
Voice policy to check if call
is authorized
Is call authorized by
user voice policy?
Yes
Use usages from Site
VoiceRoutingPolicy to
route call
Normal Processing
Do not allow call
Stop
No
No
Normal Processing
Yes
No
Use Usages in User s
Voice policy
Are additional usages
on the policy?
Route only to non-LBR
enabled trunks
No
Is source trunk LBR
enabled?
Start
No
Yes
Use usages from source
trunk associated site
Select next applicable usage.
Is request FWD/XFER/
Simulring?
Yes
No
Use the usages specified in
the trunk config
Use the usages of the
user s voice policy
Select next applicable usage.
Yes
Are there additional
usages?
No
Yes
No
Are additional usages
in the site?
No
Are source and
destination trunks
sites the same?
No
Do not allow call
Is destination trunk
LBR enabled?
Yes
Are source and
destination trunks
sites the same?
No
Yes
Yes
Normal Processing
Stop
Do not allow call
Start
Is Global LBR
switch on?
Yes
Is from Phone?
Yes
Is source trunk
LBR ?
Get site associated
with the trunk
Yes
No
No
No
Route to endpoint
Yes
Is endpoint in the
gateway site?
Stop
No
Route to UM
Current meeting participants
Allowed
Not allowed
Lync endpoints all in same network site
PSTN
None
Lync (same, different, or
unknown site)
Lync endpoints from different sites
Lync (same, different, or PSTN
unknown site)
Lync endpoints in the same site and PSTN
PSTN
Lync (same site)
Lync (different or
unknown sites)
Client type
Supported
Lync 2013
yes
Lync 2010
Office Communicator 2007 R2
Lync Phone Edition
Lync Attendant
Lync for Windows 8
yes
no
yes
yes
no
Lync Mobile 2013
no
Lync Mobile 2010
yes
Details
VoIP must be disabled for Lync Mobile 2013 clients if used
by users with Location-Based Routing enabled.
networks sites
voice routing policies
Trunk configuration
voice policies
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