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STIR/SHAKEN

telecommunications

Understanding the STIR/SHAKEN Framework

What is STIR/SHAKEN?

Confidence in the American telecommunications market is at an all-time low. Over 48% of calls received by Americans go unanswered.

As a call centre owner, this can have a negative impact on your connection rate and therefore causes a decline in sales.

Therefore the FCC is implementing a new framework called STIR/SHAKEN, which signs calls with a digital signature that can be approved or rejected by the terminating provider.

STIR/SHAKEN
acronyms

What does SHAKEN/STIR Stand for?

The acronyms are as follows:

STIR: Secure Telephony Identity Revisited.

SHAKEN: Secure Handling of Asserted information using toKENs.

Understanding the STIR/SHAKEN Framework

What is the purpose?

Research suggests that 40% of calls within the US are fraud-related. This is causing recipients to ignore calls and impacting telecoms providers.

STIR/SHAKEN has been put into place to prevent illegal phone number spoofing and fraudulent robo calls and restore the trust to the US telecoms industry.

telecoms industry

What are Primo Dialler doing about STIR/SHAKEN?

lines

Relax, Primo Dialler take pride in running a progressive and secure network. We work closely with carriers to make sure we are compliant with any changes within the industry. Therefore we’ve made sure our network is fully compliant with the new network so that non of our clients are affected.

call flow

Call Flow

The call flow is as follows:

  • Caller initiates outbound call
  • SIP invite is sent to originating provider.
  • Call is sent to an authentication service which grades the call based on data.
  • The terminating provider receives the call.
  • The call gets verified and if the grade is A or B it will be accepted.
  • The recipient will get call.

Call Attestation

Each call that goes over the STIR/SHAKEN framework is given an attestation level (grade).

  • Full (A)

    The service provider knows the customer and their right to use the phone number.

  • Partial (B)

    The service provider knows the customer but not the source of the phone number.

  • Gateway (C)

    The service provider has originated the call onto the network but can’t authenticate the call source.

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