Specifications include, but are not limited to: The City of Savannah is seeking a Digital Fax Service Provider to integrate with Microsoft Teams Phone Services. The provider shall: 4.3.1 Provide methods to send/receive faxes via an email client or web portal. No additional software should be required to be installed on endpoints to support Fax Services. 4.3.2 Provide services that are HIPPA Compliant, with 256-bit encryption at rest and in transit. 4.3.3 Be a Priority Delivery Network Provider, as a Tier 1 Carrier with Fax Optimized Lines. 4.3.4 Have the ability to utilize existing DID Numbers (See Attachment A-1). 4.3.5 Provide an Administrative Portal that provides the ability to manage fax numbers, including DID management and assignment; DID ordering; SIP Device provisioning. 4.3.6 Provide accounting methods to associate services to internal cost centers. 4.3.7 Be able to support standard SIP devices such as SIP ATAs and SIP Gateways.