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Overview

The ERE (Embedded Route Engine) platform is enhanced to support number translations based on host part (contains a fully-qualified domain name) of the SIP headers. IP addresses format is not supported for host-part lookup. It is always recommended to use the fully-qualified domain name. To support this new requirement, SBC retrieves the destination domain from the various SIP headers and sends it to ERE as part of the policy request. The domain name look-up is case insensitive and partial matches are supported, while first priority is always for full match.

The supported destination domain SIP headers are:

  • INVITE Message, R-URI Header
  • INVITE Message, TO Header
  • 3XX Message, Contact Header

How to Configure CNAM (ENUM) Dip Criteria

The following steps outline how to configure CNAM (ENUM) Dip Criteria

Configuring CNAM (ENUM) Trigger Criteria

% set profiles digitParameterHandling numberTranslationCriteria CR1 calledUri ABC.com Sonus_NULL Sonus_NULL Sonus_NULL lookupType enumCnam
commit

Configuring ENUM Service

% set global servers enumService ENUMSER1 criteria triggerCriteria CR1
commit

Configuring Service Type

% set global servers enumService ENUMSER1 defaultTreatment applyFinalTreatment serviceType cnam flags active enable
commit

Configuring ENUM Domain Name and Address

% set global servers enumDomainName ims.ABC.com forwardersData 1 forwarderIP 10.54.212.202 forwarderDescription test
commit

Configuring Private Domain Name

set global servers enumService ENUMSER1 enumDefinitions privateDomainNameForEnumLookups ims.ABC.com
commit 
% set global servers enumDomainNameLabel DEFAULT_ZONE_LABEL enumDomainNameId ims.ABC.com
commit

Configuring Ip Access Control List

% set addressContext default ipAccessControlList rule ENUM sourceIpAddress 10.54.212.202 action accept sourceAddressPrefixLength 32 precedence 1 state enabled
commit

For more information on CNAM (ENUM) Dip Criteria, refer to:

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