Chart Numbers Attestation For Free

"Gateway Attestation", "C", indicates the call can only be verified as coming from a known gateway, for instance, a connection to another service provider.

Partial Attestation (B) ? The service provider has authenticated the call origination, but cannot verify the call source is authorized to use the calling number. An example of this use case is a telephone number behind an enterprise PBX.

Lastly, ?C? or ?gateway? attestations mean the provider has originated the call on the network, but cannot authenticate the call source.

Full Attestation (A) - The identity of the caller is known, and they have the right to use the Caller ID for this call. Partial Attestation (B) - The originator knows the identity of the caller, but cannot confirm their right to use the Caller ID.

Again, Full Attestation, or an A rating, means that carriers: Are responsible for originating calls. Have pre-existing relationships with the caller and can identify and authenticate the caller. Can verify the association between the caller and the number dialed from.

Essentially, the attestation levels are designed to protect the integrity of the telecom networks and provide a way to signal confidence levels to other carriers that the calls can be trusted, and at what level.

Definition. Testimony or confirmation that something is true, genuine, or authentic. An attestation is frequently in writing. For example, a witness attests a will by signing it; his or her signature may confirm, inter alia, that he or she witnessed the testator sign the will.

A robocall is a call that delivers pre-recorded messages through auto-dialing software to millions of people each day. If you answer your phone and hear a recorded message instead of a real person speaking, you are listening to a robocall.

An attestation is a type of audit as it provides an opinion.These standards preserve core audit principles such as the need for technical competence, independence, due professional care, adequate planning and supervision, sufficient evidence, and appropriate reporting.

You can register your numbers on the national Do Not Call list at no cost by calling 1-888-382-1222 (voice) or 1-866-290-4236 (TTY). You must call from the phone number you wish to register. You can also register at add your personal wireless phone number to the national Do-Not-Call list donotcall.gov.