AudioCodes Mediant 800B MSBR User Manual page 230

Multi-service business router; session border controller

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Alternative route: If the call routing to all the above fails (e.g., due to unavailable

destination - call busy), the device can route the call to an alternative destination

if an alternative routing rule is configured.

"Redundant" route: If the query failed (i.e., no attribute found in the AD), the

device uses the routing rule matching the "LDAP_ERR" prefix destination number

For Enterprises implementing a PBX / IP PBX system, but yet to migrate to

Lync Server, if the PBX / IP PBX system is unavailable or has failed, the device uses

the AD query result for the user's mobile phone number, routing the call through the

PSTN to the mobile destination.

The flowchart below summarizes the device's process for querying the AD and routing the

call based on the query results:

If you are using the device's local LDAP cache, see ''Configuring the Device's

LDAP Cache'' on page

User's Manual

Figure 19-23: LDAP Query Flowchart

for the LDAP query process.

Mediant 800B MSBR

Document #: LTRT-12813

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