# Branded Caller ID: Setup, Carriers, and SHAKEN/STIR

> Learn how branded caller ID works across carriers, CNAM vs. branded calling, and how Plura AI connects at the carrier layer for outbound calls.

**Published:** 2026-09-07 | **Updated:** 2026-11-06 | **Author:** plurasync
**URL:** https://www.plura.ai/articles/branded-caller-id-implementation-guide
**Type:** post

**Categories:** AI Contact Centers

![Branded Caller ID: Setup, Carriers, and SHAKEN/STIR](https://plura.sites.aigrowthagent.co/wp-content/uploads/sites/75/2026/09/1788722071198-8646c6471969-1024x572.webp)

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## Content

*Written by: Matt Beuchel, CEO, Plura AI | Last updated: September 29, 2026*

## Key Takeaways

- Branded caller ID runs through three phases: brand registration, STIR/SHAKEN A-level authentication, and per-carrier display configuration.
- Brand registration and call authentication are separate states. Both must be active and aligned before rich call data appears on devices.
- Most platforms cannot deliver carrier-level branded caller ID because they lack an FCC carrier license and their own STI/SPC certificate.
- Display results vary by carrier and device. Newer Samsung, Motorola, and TCL Android devices show full branding, while many others show name only.
- Plura AI owns its FCC-licensed carrier stack and issues branded caller ID at the carrier level with full STIR/SHAKEN authentication and compliance screening.

[See branded caller ID on a live call](https://www.plura.ai/plura-webchat?utm_term=branded-caller-id-implementation-guide&utm_campaign=ai_growth_agent)

## How Branded Caller ID Works Across Carriers

Branded caller ID follows three core phases: register and vet your identity and phone numbers, authenticate calls with STIR/SHAKEN A-level attestation, and configure display elements such as Caller Display Name, Call Logo, and Call Reason. Providers may present these steps in a slightly different order or with extra sub-steps.

1. **Register identity** – submit legal business details, brand assets, and number authorization to a vetting partner
2. **Authenticate calls** – configure STIR/SHAKEN attestation on your Session Border Controller (SBC) or voice provider
3. **Configure display** – map call reasons, upload logo assets, and validate cross-carrier rendering

The most common implementation mistake is treating these phases as one continuous flow. “Brand approved” and “call authenticated” are two distinct lifecycle states. A vetting partner can approve a brand while outbound calls remain unauthenticated at the carrier level. A call can carry A-level STIR/SHAKEN attestation while brand registration is still pending. Both states must be active and aligned before rich call data renders on the recipient’s device.

[Walk through a full branded call workflow](https://www.plura.ai/plura-webchat?utm_term=branded-caller-id-implementation-guide&utm_campaign=ai_growth_agent)

## Phase 1: Register Identity

Brand registration creates the administrative foundation for every branded call. Errors at this stage cascade into every downstream phase.

![Screenshot of Plura’s fully compliant AI communications platform showing business registration and phone number provisioning workflows for AI Voice, SMS, RCS, and Webchat communication automation.](https://cdn.aigrowthmarketer.co/1779337911454-8c3a9645d906.png)**Plura’s FCC-licensed AI communications platform simplifies compliant business registration and phone number provisioning for AI Voice, SMS, RCS, and Webchat workflows.**

Required submission elements, per CloudTalk’s branded calling documentation:

- Legal business name, business address, business type, and industry
- Business registration number and ID type (EIN or DUNS required for USA)
- Regions of operation, website URL, and authorized representative contact details
- Estimated monthly USA call volume and company size
- A display name of up to 35 characters and the specific numbers to brand
- A use case description and consent description explaining how contact numbers were obtained
- A signed Letter of Authorization (LOA) from a corporate officer linking registered numbers to the brand display profile

Logo specifications differ by carrier and device target. Telnyx’s branded calling display requirements specify that Apple device logo assets must be 32-bit BMP with an alpha channel for transparency, sized 256×256 pixels. For CTIA Branded Calling ID (BCID) submissions, the recommended logo format is a square BMP image at 256 x 256px with 32-bit color. Upload the required formats during registration to avoid re-submission delays.

The number-to-brand-to-call-reason mapping table below shows how to structure number inventory before submission.

| Number Range | Brand Display | Call Reason | Use Case |
| --- | --- | --- | --- |
| 800-555-0100 | Acme Health | Appointment Reminder | Patient scheduling |
| 800-555-0200 | Acme Health | Account Update | Billing notifications |
| 800-555-0300 | Acme Financial | Payment Alert | Collections outreach |

Map every number group before submitting. First Orion’s implementation guidance flags mismatched naming, incomplete ownership details, and fragmented number administration as primary causes of deployment delays and downstream trust failures.

## Phase 2: Authenticate Calls

STIR/SHAKEN (Secure Telephone Identity Revisited / Signature-based Handling of Asserted information using toKENs) provides the call authentication framework. [Under 47 CFR § 64.6301](https://ecfr.io/Title-47/Section-64.6301), voice service providers were required to fully implement STIR/SHAKEN in their IP networks no later than June 30, 2021.2 The originating voice service provider holds the attestation responsibility.

The three attestation levels, [as defined under ATIS-1000074](https://telcobridges.com/learning/voip-security/stir-shaken-attestation-levels-explained):

- **A (Full):** The provider authenticated the calling party, has a direct relationship with that party, and verified the party is authorized to use the calling number presented in caller ID.
- **B (Partial):** The provider knows where the call entered its network but has not independently verified that the specific calling party is authorized to use the specific calling number.
- **C (Gateway):** The provider is acting as a gateway for traffic originating outside its trust domain, typical of PSTN-to-IP gateways and international interconnects.

Authentication and branding operate as separate states. [Under the ATIS-1000094 standard](https://commsadvisor.com/what-branded-caller-id-costs), Rich Call Data (RCD) can only attach to a call that already carries A-level STIR/SHAKEN attestation. A call can carry A-level attestation and still display as an anonymous ten-digit string if the brand is not registered. A call can have a registered brand and still fail to render if attestation is weak or the number has poor reputation history.

The FCC’s proposed rulemaking on advanced robocall methods would require terminating providers to transmit verified caller name or other caller identity information for presentation on a consumer’s handset whenever they transmit an indication that a call has received A-level attestation. This proposal reinforces A-level attestation as the prerequisite for any branded display strategy.

Most CPaaS-dependent platforms cannot issue A-level attestation under their own certificate. They do not hold their own STI/SP-KI certificate, which requires FCC carrier authorization, RMD registration, and acceptance by the STI-PA. Instead, their calls are typically signed at B- or C-level by the upstream carrier. [Plura AI owns its telecom infrastructure and holds an FCC carrier license](https://www.plura.ai/compare/plura-ai-vs-synthflow?utm_term=branded-caller-id-implementation-guide&utm_campaign=ai_growth_agent), whereas platforms built on third-party CPaaS infrastructure depend on that provider’s certificate and attestation decisions.3

[Under 47 CFR § 64.6301(b)](https://ecfr.io/Title-47/Section-64.6301), a provider using a third-party authentication service must require that third party to sign all calls using the provider’s own STI certificate and make all attestation-level decisions for each SIP call it originates. Under the CTIA Branded Calling ID (BCID) ecosystem and the FCC’s own-certificate rule effective September 18, 2025, a platform must sign branded calls with its own STI/SPC certificate issued by a Certificate Authority. It must also qualify for A-level attestation. Platforms lacking their own STI/SPC certificate cannot issue carrier-level branded caller ID.

[Review your attestation path with Plura](https://www.plura.ai/plura-webchat?utm_term=branded-caller-id-implementation-guide&utm_campaign=ai_growth_agent)

## Phase 3: Configure Display Across Devices

Display configuration reveals that branded caller ID does not behave like a single global switch. The terminating network makes per-carrier, per-device, and per-OS rendering decisions, not the originating platform.

Sub-steps for display configuration:

1. Define approved call categories such as appointment reminders, account updates, and payment alerts.
2. Map call reasons to number groups using the inventory table built in Phase 1.
3. Upload logo assets per carrier specifications.
4. Validate rendering across carrier and device combinations before full rollout.

Carrier programs follow different rules. [Per current carrier program documentation](https://techmode.com/blog/branded-calling-vs-stir-shaken), T-Mobile and Verizon support CTIA’s Branded Calling ID (BCID) delivery, while AT&T runs its own program with TransUnion/Neustar’s TruContact. Verizon adds another condition: its Call Filter app must be installed on the recipient’s device before branded calling information will display.

Device-level rendering, per Telnyx’s carrier and device display matrix:

- Samsung, Motorola, and TCL Android devices running Android 14 or newer can display name, logo, and call reason.
- Apple iPhone XS and newer devices running iOS 18.5 or newer can display name and logo, but call reason may not be supported in all iOS receiving scenarios.
- Other Android devices, other iOS devices, bring-your-own devices, unlocked devices, and MVNO or reseller services typically display name only.
- Landlines do not display branded calling information.

[iOS 26’s “Ask Reason for Calling” call-screening feature can suppress logo display entirely.](https://techmode.com/blog/branded-calling-vs-stir-shaken) Treat name-only display as the baseline experience. Treat logo and call reason as progressive enhancements for a subset of devices.

## CNAM Versus Branded Caller ID

CNAM (Caller Name) functions as a carrier-level name lookup. [The terminating carrier performs a real-time CNAM dip against a CNAM database to fetch the name shown on the handset.](https://didhub.io/blog/cnam-caller-id-explained) The caller transmits only the number. CNAM display names are limited to 15 characters including spaces and are often forced to uppercase. CNAM does not support logo, call reason, or built-in proof that the name is accurate.

Branded caller ID operates as ecosystem-level rich display. It delivers verified business identity, including name, logo, and call reason, via Rich Call Data embedded in the STIR/SHAKEN signing flow. Branded calling data travels in the native voice path and is cryptographically signed through STIR/SHAKEN, which reduces spoofing risk.

The operational distinction is straightforward. CNAM answers what name displays next to the number via a terminating-carrier database dip. Branded caller ID answers whether the call is trusted via cryptographic signing of the calling number by the originating carrier and verification of the signature and attestation level by the terminating carrier. [A call can carry a correct CNAM record and still be labeled “Spam Likely” if its STIR/SHAKEN attestation is weak, because the spam label overrides the name.](https://didhub.io/blog/cnam-caller-id-explained)

## Provider Requirements And Timelines

The three primary branded calling programs differ most in vetting speed and API access. The table below compares their published timelines, character limits, and API flows so you can match programs to your deployment window.

| Provider | Vetting Timeline | Character Limit | API Flow |
| --- | --- | --- | --- |
| First Orion INFORM | Business vetting typically completes quickly through automated verification. If information provided is incorrect, vetting can take up to 3-5 business days. | Up to 35-character display name; call reason displayed on compatible Android devices. | Self-managed portal; API available for automated branding and reporting. |
| Hiya (via CloudTalk) | Up to 48 hours after account creation. | Up to 35-character display name. | Self-service API key acquisition for Connect and Audio Intelligence APIs; Number Reputation and Protect APIs require manual access. |
| CTIA BCID | Vetting and number registration typically take 5 to 10 business days. | Up to 35-character display name. | Authorized vetting partner required. |

## Provisioning Timelines Across Programs

Provisioning timelines vary by provider and phase. These are the published timelines from provider documentation:

- **Hiya:** Up to 48 hours after account creation.
- **First Orion:** Automated business vetting completes quickly when information is correct, with up to 3-5 business days if details require manual review.
- **CTIA BCID:** Vetting and number registration typically take 5 to 10 business days.
- **CNAM updates:** 7-10 business days to propagate across all US carriers.

These timelines cover provider-side vetting only. Carrier submission and per-carrier activation add additional time on top of provider approval. [Branded calling registration is per carrier and none of it is instant: the brand must be verified before it is eligible for carrier submission, and carrier activation has its own review window.](https://orbit.devotel.io/fr/blog/rich-call-data-branded-calling-explainer-2026) Plan for the full sequence: brand verification, then carrier submission, then per-carrier activation, then cross-device QA.

## Device Support For Branded Caller ID

Device support depends on carrier, device model, and OS version. Per Telnyx’s device and carrier display matrix, newer Samsung, Motorola, and TCL Android devices on Android 14 or newer can show full branding, including name, logo, and call reason. Recent iPhone models on iOS 18.5 or newer can show name and logo, while many other devices show name only.

[iOS 26’s “Ask Reason for Calling” feature can suppress logo display entirely.](https://techmode.com/blog/branded-calling-vs-stir-shaken) Devices purchased directly from or provisioned for the receiving network show the most predictable behavior. Unlocked, non-stock, bring-your-own, and MVNO or reseller devices show reduced branded display regardless of registration status. Build your QA matrix around name-only as the floor, not logo-plus-call-reason as the baseline.

## Why Plura AI Sits At The Carrier Layer

Most branded caller ID implementations break at the carrier layer when the voice platform runs as a CPaaS wrapper instead of a licensed carrier. [Plura AI supports voice, SMS, and RCS natively in a unified platform with FCC-licensed carrier status](https://www.plura.ai/compare/plura-ai-vs-bland-ai?utm_term=branded-caller-id-implementation-guide&utm_campaign=ai_growth_agent), while platforms built on third-party CPaaS infrastructure lack carrier status and cannot issue branded caller ID at the carrier level.3

Plura operates as its own FCC-licensed audio bridging carrier. Voice does not route through Twilio.3 [Plura AI offers carrier-provisioned branded caller ID](https://www.plura.ai/compare/plura-ai-vs-synthflow?utm_term=branded-caller-id-implementation-guide&utm_campaign=ai_growth_agent), which means branded caller ID is issued directly at the carrier level. STIR/SHAKEN authentication runs on every outbound call. Real-time DNC scrubbing, TCPA-litigator screening, automated quiet hours, and immutable consent logging run inside the platform on every outbound contact before dial.

![Plura Security & Compliance dashboard highlighting SOC 2, ISO, and GDPR standards with secure trust verification management.](https://cdn.aigrowthmarketer.co/1779339090994-980045ddacd2.png)**Plura Security & Compliance supports SOC 2, ISO, and GDPR standards with trust registration, verification management, and secure AI communications.**
1

Plura’s [AI Voice](https://plura.ai/ai-voice-demo?utm_term=branded-caller-id-implementation-guide&utm_campaign=ai_growth_agent), [AI Predictive Dialer](https://plura.ai/ai-predictive-dialer?utm_term=branded-caller-id-implementation-guide&utm_campaign=ai_growth_agent), and [AI SMS](https://plura.ai/ai-sms-leads?utm_term=branded-caller-id-implementation-guide&utm_campaign=ai_growth_agent) all share a Stateful Conversation Database, so cross-channel context stays intact across every touchpoint. Plura supports compliance with TCPA, DNC, HIPAA, SOC 2, and STIR/SHAKEN caller ID verification, enforced before each contact with an immutable consent ledger and one-click audit exports via [Plura’s compliance engine](https://plura.ai/products/compliance?utm_term=branded-caller-id-implementation-guide&utm_campaign=ai_growth_agent).1,2

Compare [plans and rates](https://plura.ai/pricing?utm_term=branded-caller-id-implementation-guide&utm_campaign=ai_growth_agent) side by side, or run your numbers through [Plura’s ROI calculator](https://plura.ai/calculator?utm_term=branded-caller-id-implementation-guide&utm_campaign=ai_growth_agent) to check your cost savings in real time.

[Schedule a branded calling strategy session](https://www.plura.ai/plura-webchat?utm_term=branded-caller-id-implementation-guide&utm_campaign=ai_growth_agent)

## Frequently Asked Questions

Below are concise answers to common branded caller ID questions so your team can review key points quickly.

### How Does Branded Caller ID Differ From CNAM?

CNAM provides a carrier-level name lookup limited to 15 characters. The terminating carrier performs a real-time database dip to fetch the name shown on the handset, while the caller transmits only the number. CNAM does not include logo, call reason, or cryptographic verification.

Branded caller ID delivers verified business identity, including name, logo, and call reason, via Rich Call Data embedded in the STIR/SHAKEN signing flow. The brand data is cryptographically signed as part of the same token that authenticates the number, so tampering breaks the signature.

### What Documents Are Required For Branded Caller ID Registration?

Registration typically requires legal business name, address, business type, industry, business registration number and ID type, regions of operation, website URL, authorized representative contact details, estimated monthly USA call volume, and company size. For display, providers request a display name of up to 35 characters, the specific numbers to brand, a use case description, a consent description explaining how contact numbers were obtained and consented to, and a signed Letter of Authorization from a corporate officer linking registered numbers to the brand display profile.

### What Do STIR/SHAKEN Attestation Levels Mean For Branded Calling?

A (Full) attestation means the provider authenticated the calling party, has a direct relationship with that party, and verified authorization for the calling number. B (Partial) means the provider knows where the call entered its network but has not independently verified authorization for the specific number. C (Gateway) means the provider is acting as a gateway for traffic originating outside its trust domain.

Under the ATIS-1000094 standard, Rich Call Data can only attach to a call that already carries A-level attestation. B and C-level calls face greater scrutiny from carrier spam-filtering algorithms, and C-level calls are most likely to receive “Scam Likely” or “Spam Risk” labels.

### How Does Plura AI Handle Branded Caller ID At The Carrier Level?

Plura AI owns its FCC-licensed audio bridging carrier, so branded caller ID is issued at the carrier level rather than through a third-party CPaaS reseller. STIR/SHAKEN authentication runs on every outbound call under Plura’s own carrier certificate. Real-time DNC scrubbing, TCPA-litigator screening, automated quiet hours, and immutable consent logging are enforced inside the platform on every outbound contact before dial.

Plura Connect, LLC is the FCC-registered Carrier of Record (Filer ID 837256, principal communications type: Audio Bridge Service) for all regulated and taxable communications services provided through the Plura.AI platform, and as the originating carrier it signs STIR/SHAKEN attestation directly under its own certificate rather than inheriting it from an upstream provider.

1 Plura AI maintains SOC 2, HIPAA, ISO, and GDPR posture as part of its platform infrastructure. References to compliance frameworks in this article describe Plura’s platform capabilities and do not constitute a guarantee that any customer using Plura will themselves be compliant with applicable laws or standards. Customers remain solely responsible for their own regulatory obligations, certifications, consent management, recordkeeping, and the claims they make to their own end users. Consult qualified legal counsel for guidance specific to your use case.

2 This article describes regulatory frameworks at a general level and does not constitute legal advice. Laws and regulations vary by jurisdiction, change over time, and apply differently depending on facts and circumstances. Readers should consult qualified legal counsel before making compliance decisions.

3 References to third-party products, services, companies, or research are made for informational and comparative purposes only. Plura AI is not affiliated with, endorsed by, or sponsored by any third party named in this article unless explicitly stated. Trademarks and product names referenced remain the property of their respective owners.

This article is provided for informational purposes only and reflects Plura AI’s understanding at the time of publication. Product capabilities, integrations, and specifications are subject to change. For the most current information, visit plura.ai.

This article was produced with the assistance of AI tools and reviewed by Plura AI prior to publication.

## Read Next

- [Branded Caller ID Setup With STIR/SHAKEN: A Complete Guide](https://www.plura.ai/articles/branded-caller-id-stir-shaken/?utm_term=branded-caller-id-implementation-guide&utm_campaign=ai_growth_agent)
- [Branded Caller ID Best Practices: A Five-Stage Guide](https://www.plura.ai/articles/branded-caller-id-best-practices/?utm_term=branded-caller-id-implementation-guide&utm_campaign=ai_growth_agent)
- [Branded Caller ID API Integration: The Complete Guide](https://www.plura.ai/articles/branded-caller-id-api-integration/?utm_term=branded-caller-id-implementation-guide&utm_campaign=ai_growth_agent)
- [Branded Caller ID Compliance: STIR/SHAKEN & Spam Labels](https://www.plura.ai/articles/branded-caller-id-compliance/?utm_term=branded-caller-id-implementation-guide&utm_campaign=ai_growth_agent)
- [Branded Caller ID: How It Works and Why It Matters](https://www.plura.ai/articles/what-is-branded-caller-id/?utm_term=branded-caller-id-implementation-guide&utm_campaign=ai_growth_agent)

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---

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## Citations

- [TCPA Opt-Out Rules 2026: What Is Enforceable Now vs. Nov. 25](https://www.plura.ai/articles/tcpa-opt-out-rules)
- [FCC 26-67: What the TCPA Rule Changes Mean for Operators](https://www.plura.ai/articles/fcc-26-67-tcpa-order)
- [TCPA Informational vs Marketing Messages: Key Differences](https://www.plura.ai/articles/tcpa-informational-vs-marketing-messages)
- [SIP Error Codes for Disconnected Numbers: Retry or Suppress](https://www.plura.ai/articles/sip-error-codes-disconnected-numbers)
- [TCPA Opt-Out Compliance: 2026 Rule Changes and Controls](https://www.plura.ai/articles/tcpa-opt-out-compliance-checklist)

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