||Maintaining SS7 Link Diversity: Network Operators and Service Providers should follow industry guidelines for validating SS7 link diversity. SS7 link diversification validation should be performed at a minimum of twice a year, and at least one of those validations should include a physical validation of equipment compared to the recorded documentation of diversity.
||Cable; Internet/Data; Satellite; Wireless; Wireline
||Service Provider; Network Operator
||Facilities - Transport;Network Operations;Procedures;
||ATIS-0300018, Next Generation Interconnection Interoperability (NGIIF) Reference Document: Part III, Installation, Testing and Maintenance Responsibilities for SS7 Links and Trunks Attachment G Link Diversity Validation Guidelines, found at http://www.atis.org/docstore. Note: This Best practice could impact 9-1-1 operations.