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ATIS compliant Signing and Verification

Deploy in minutes not weeks.
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Authentication Service

A turn key (STI-AS) solution for signing call metadata. Provides support for a simple REST-based protocol, ATIS-1000082, and SIP based integrations.

Verification Service

Provides a turn key (STI-VS) solution to verify call metadata. Provides support for a simple REST-based protocol, ATIS-1000082, and SIP based integrations.

Certificate Lifecycle Management

Provides a fully automated certificate and SPC token management solution based on ACME (RFC-8555) and ATIS ATIS-1000080 eliminating the need to manually manage certificates and SPC tokens.

Open Source

Our decision to make the Vermouth Open Source means you get simplified debugging, transparency of function and ensures you don't have to wait for upstream changes.

Deployable in Minutes

Our straightforward usage examples combined with pre-packaged installations for RedHat Enterprise, AWS Linux, and Ubuntu / Debian systems mean you are ready for call verification with no to minimal configuration.

How it Works

Vermouth takes care of all signing and verification interactions so you can focus on your business.

Authenticating ServiceVerification ServiceSTI-AS via SIP or RESTCertificate Retrievalvia HTTPSACMESTI-AS via SIP or RESTCalling partyTransitVermouthSTI-ASVermouthSTI-VSMartini SecuritySTI-CAMartini SecuritySTI-CRCalled partyOSPOriginating ServiceProviderTSPTerminating ServiceProviderVermouthSTI-ASAuth. ServiceOSPOriginating ServiceProviderMartini SecuritySTI-CATransitVerification ServiceTSPTerminating ServiceProviderVermouthSTI-VSMartini SecuritySTI-CRCalling partyCalled party

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Vermouth takes care of all signing and verification interactions so you can focus on your business.

View repo

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