Cisco Cisco Expressway Maintenance Manual
Configuring ENUM zones
ENUM zones allow you to locate endpoints via an ENUM lookup. You can create one or more search rules
for ENUM zones based on the ENUM DNS suffix used and/or by pattern matching of the endpoints’ aliases.
for ENUM zones based on the ENUM DNS suffix used and/or by pattern matching of the endpoints’ aliases.
After you have configured one or more ENUM zones, you can:
n
apply transforms to alias search requests directed to that group of endpoints
n
control the bandwidth used for calls between your local Expressway and each group of ENUM endpoints
The configurable options for an ENUM zone are:
Field
Description
Usage tips
Name The name acts as a unique identifier, allowing you to distinguish
between zones of the same type.
Type
The nature of the specified zone, in relation to the local Expressway.
Select ENUM.
Select ENUM.
After a zone has been created, the
Type cannot be changed.
Type cannot be changed.
Hop
count
count
The hop count is the number of times a request will be forwarded to
a neighbor gatekeeper or proxy (see the
a neighbor gatekeeper or proxy (see the
more information). This field specifies the hop count to use when
sending a search request to this particular zone.
sending a search request to this particular zone.
If the search request was received
from another zone and already has
a hop count assigned, the lower of
the two values is used.
from another zone and already has
a hop count assigned, the lower of
the two values is used.
DNS
suffix
suffix
The domain to be appended to the transformed E.164 number to
create an ENUM domain for which this zone is queried.
create an ENUM domain for which this zone is queried.
H.323
mode
mode
Determines whether H.323 records are looked up for this zone.
SIP
mode
mode
Determines whether SIP records are looked up for this zone.
Configuring DNS zones
DNS zones allow you to locate endpoints via a DNS lookup. You can create one or more search rules for
DNS zones based on pattern matching of the endpoints’ aliases.
DNS zones based on pattern matching of the endpoints’ aliases.
After you have configured one or more DNS zones, you can:
n
apply transforms to alias search requests directed to that group of endpoints
n
control the bandwidth used for calls between your local Expressway and each group of DNS endpoints
The configurable options for a DNS zone are:
Field
Description
Usage tips
Name
The name acts as a unique identifier, allowing you to
distinguish between zones of the same type.
distinguish between zones of the same type.
Type
The nature of the specified zone, in relation to the
local Expressway. Select DNS.
local Expressway. Select DNS.
After a zone has been created, the Type
cannot be changed.
cannot be changed.
Cisco Expressway Administrator Guide (X8.5)
Page 126 of 394
Zones and neighbors
Configuring zones