Phonism by Inlayer
Inlayer (d/b/a Phonism) is a private Tampa-based SaaS company that automates provisioning, management, and security for telecom and UCaaS endpoints across 360+ device models from 16+ manufacturers. It sells subscription software to OEMs, service providers, and enterprise IT teams.
- Company typePrivate
- Founded2016
- HeadquartersTampa, United States
- Headcount11–50
- GTM typeB2B
- OfferingSoftware
What Phonism by Inlayer does
Phonism by Inlayer is a US-based private SaaS company (legal entity Inlayer, Inc., Delaware) that provides cloud-native device management and provisioning software for the telecom and UCaaS market. Its two core products are the Phonism Platform, a cloud-native telecom device-management solution that automates provisioning, configuration, security, and lifecycle management across more than 360 device models from 16+ manufacturers, and the Inlayer API Platform, a developer-facing REST API product that enables OEMs and service providers to embed Phonism's device-management capabilities into their own applications. The platform integrates natively with Microsoft Teams, Cisco Webex, and Zoom Phone and exposes Python-supported APIs with documentation hosted at apidocs.phonism.com.
Underlying technology combines a unified multi-vendor device schema, automation and AI-assisted workflows for provisioning and anomaly detection, built-in security and policy enforcement, and remote management delivered as a single cloud-native interface. The company monetizes through quote-based annual subscription agreements (auto-renewing with 90-day cancellation notice) sold to OEMs and service providers, telecom/UCaaS operations teams, and enterprise IT departments managing multi-vendor device fleets. Go-to-market combines direct enterprise sales, a formal channel partner and reseller program (e.g., CallTower), and an API-first/OEM distribution motion through which partners such as Alianza, Cisco/Webex, Zoom Phone, and Snom America integrate or resell the platform.
The company was founded in 2016, is headquartered in Tampa (United States) with a separate European regional portal, and operates with 11–50 employees. Founder & CTO Steve Lazaridis leads the technical organization. Capital raised is modest on the disclosed record — $350K from First Round Tampa Bay in September 2016 plus an undisclosed round in January 2023 used for leadership expansion — and there are no public listings, no disclosed investors beyond the seed round, and no disclosed revenue or ARR figures.
Phonism by Inlayer firmographics
Firmographics- Name
- Phonism by Inlayer
- Legal name
- Inlayer, Inc.
- Website
- https://phonism.com
- Company type
- Private
- Founded year
- 2016
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- Inlayer (d/b/a Phonism) is a private Tampa-based SaaS company that automates provisioning, management, and security for telecom and UCaaS endpoints across 360+ device models from 16+ manufacturers. It sells subscription software to OEMs, service providers, and enterprise IT teams.
- Ownership category
- akta.pro rank
Phonism by Inlayer industry classification
Industry- Product category
- Telecom Device Management Software
- NAICS
- Software Publishers (5132)
- SIC
- Services-Computer Programming Services (7371)
- akta.pro primary industry
- Endpoint & Mobile Asset Management (UEM/MDM Asset Controls) (BPAEAOAI)
- akta.pro secondary industry
- IT Asset Management (ITAM) Platforms (HDAEALAD)
Keywords
Where Phonism by Inlayer is headquartered
LocationHeadquarters
- HQ city
- Tampa
- HQ country
- United States
- HQ region
- North America
Offices1 record
Markets served
Phonism by Inlayer business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Personnel, Technology or R&D, Infrastructure, Marketing or Sales, Operations
Revenue model
- Subscription Services: Subscription-based model for access to Phonism Platform and Inlayer API Platform. Subscriptions automatically renew for the same term unless cancelled with 90 days written notice.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Subscription | Annual | Enterprise subscription plans |
Go-to-market motion3 records
Distribution channels4 records
Marketing channels6 records
Phonism by Inlayer product offering
Product offeringCore offering
Phonism by Inlayer sells two cloud-native software products: the Inlayer API Platform, which provides unified REST APIs enabling OEMs and service providers to embed device provisioning, configuration, security, and lifecycle management into their own applications, and the Phonism Platform, a cloud-native telecom device management SaaS that automates provisioning, management, and security for communication endpoints across Microsoft Teams, Webex, and Zoom Phone environments. Both products target telecom/UCaaS teams and enterprise IT departments managing multi-vendor device fleets.
Product overview
Inlayer operates as a network device management company offering two core products: the Inlayer API Platform and the Phonism Platform. The Inlayer API Platform is a developer-focused offering that enables OEMs and service providers to embed provisioning, management, and security capabilities into their applications via unified REST APIs. The Phonism Platform is a cloud-native telecom device management solution that automates the entire device lifecycle for communication devices, supporting over 360 device models from 16+ manufacturers. Both products share foundational capabilities including automation, AI-powered features, comprehensive APIs, built-in security, remote management, and streamlined provisioning, delivered through a unified interface.
Differentiator
Problem solved
Functional benefit
Brands
- Inlayer API Platform: Developer-friendly API platform enabling OEMs and service providers to embed provisioning, management, and security into applications.
- Phonism Platform
Products and services
- Inlayer API Platform Developer-friendly API platform that enables OEMs and service providers to embed provisioning, configuration, security, and lifecycle management into new or existing applications via unified REST APIs. For businesses that want to scale device management delivery without the cost and overhead of custom development.
- Phonism Platform Cloud-native telecom device management platform that automates provisioning, management, and security for communication devices, supporting over 360 device models from 16+ manufacturers and integrating with Microsoft Teams, Webex, and Zoom. For telecom/UCaaS teams and enterprise IT teams managing multi-vendor device fleets.
Quantifiable outcome
- Supports over 360 device models from 16+ manufacturers
- +1 more outcomes
Companies that use Phonism by Inlayer
Customer profileNamed customers5 records
Segments3 records
Ideal customer profiles3 records
Phonism by Inlayer technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- Yes
- API docs
- API detail
Core technology
AI maturity
App detail
Integration3 records
AI capability3 records
Feature7 records
Phonism by Inlayer partnerships and signals
Strategic signalPartnerships
Five partnerships are on record, tiered core.
- CallTowercoreCallTower introduced Phonism's multi-vendor device management solution to enhance their Webex Calling offering, providing streamlined, secure, and cost-effective device management for Avaya, Mitel, Yealink, Poly, Grandstream and other devices.
- Zoom PhonecorePhonism helps Zoom Phone customers support a wide variety of device manufacturers while simplifying migration to the cloud, leveraging Phonism's multi-vendor device management capabilities.
- AlianzacoreStrategic partnership where Phonism's device management integrates with Alianza's cloud voice platform, revolutionizing how voice solutions are sold and supported at scale with a single, powerful platform.
- Cisco WebexcorePhonism provides third-party device management solution for Webex Calling, offering customers a secure and automated solution that enhances device deployment and migration while reducing complexities of working with multiple vendors.
- Microsoft TeamscoreIntegration with Microsoft Teams for automated device management, provisioning, and security at scale. Phonism automates provisioning, management, and security for Teams-compatible communication devices.
Scale indicators2 records
Recent moves6 records
Expansion highlights6 records
Phonism by Inlayer competitors and assessment
Company assessmentBroad incumbents
- Cisco Webex (native device management): Cisco ships its own device management for Webex Calling and integrates with Control Hub for provisioning endpoints. As a broad incumbent, it competes with Phonism as both a partner and a potential substitute for in-house management.
- Microsoft Teams (Teams Admin Center / Teams Rooms): Microsoft Teams provides native device management via Teams Admin Center and the Teams Rooms management platform. As a broad incumbent in UCaaS, it competes with Phonism on Teams-certified device provisioning and lifecycle tooling.
- Zoom (Zoom Device Management): Zoom provides native device management within the Zoom admin console for Zoom Phone and Zoom Rooms hardware. It is both a Phonism partner and a broad incumbent whose own device tooling competes with Phonism's multi-vendor layer.
Direct peers
- Epygi Technologies: Epygi manufactures IP PBXs, gateways, and SIP phones with an integrated device auto-provisioning and management console. It competes with Phonism in provisioning and lifecycle management for on-prem and hybrid telephony.
- Sangoma (formerly Digium): Sangoma offers UCaaS, SIP endpoints, and Switchvox/PhoneSuite with device management capabilities for SMB telephony. It competes with Phonism on provisioning, configuration, and lifecycle management of multi-vendor telecom devices.
- E-MetroTel: E-MetroTel provides UC solutions and device provisioning/management for Nortel-, Avaya-, and Mitel-compatible endpoints. It competes with Phonism on multi-vendor device lifecycle management for enterprises transitioning telephony environments.
- Grandstream Device Management System (GDMS): Grandstream provides UC endpoints (IP phones, gateways, video) along with GDMS, a free cloud-based management service. It is a direct competitor for zero-to-low-cost device provisioning across SIP and UCaaS deployments.
- HP Poly (Poly Lens): Poly, now part of HP, sells UC devices and operates Poly Lens, a cloud-based device management platform for headsets, video, and voice endpoints. It is the closest direct competitor in multi-vendor endpoint management, particularly for Microsoft Teams and Zoom Phone environments.
- 3CX: 3CX is a software-based PBX/UCaaS provider with built-in device auto-provisioning for SIP endpoints. It overlaps with Phonism on provisioning and lifecycle management for SMB and mid-market telephony deployments.
- Yealink Device Management Platform: Yealink is a major SIP/UC desk phone and conference device manufacturer and offers its own cloud device management platform for provisioning and configuring its devices. It competes with Phonism in the multi-vendor SIP/UC device provisioning space.
Market position
Strengths4 records
Weaknesses4 records
Competitive moat5 records
Key risks6 records
Key highlights7 records
Customer concentration
Phonism by Inlayer social profiles
Digital presencePhonism by Inlayer financial estimates
Financial estimateRevenue estimate
Valuation estimate
Phonism by Inlayer leadership team
Management profileNumber of profiles
Profiles1 record
Phonism by Inlayer funding detail
Funding detailFunding overview
Funding rounds3 records
Investors1 record
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Phonism by Inlayer M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Phonism by Inlayer
What does Phonism by Inlayer do?
Phonism by Inlayer sells two cloud-native software products: the Inlayer API Platform, which provides unified REST APIs enabling OEMs and service providers to embed device provisioning, configuration, security, and lifecycle management into their own applications, and the Phonism Platform, a cloud-native telecom device management SaaS that automates provisioning, management, and security for communication endpoints across Microsoft Teams, Webex, and Zoom Phone environments. Both products target telecom/UCaaS teams and enterprise IT departments managing multi-vendor device fleets.
Is Phonism by Inlayer a public or private company?
Phonism by Inlayer is a private company. It is classified as venture growth investor backed and is currently operating.
When was Phonism by Inlayer founded?
Phonism by Inlayer was founded in 2016. It employs 11 to 50 people.
Where is Phonism by Inlayer based?
Phonism by Inlayer is headquartered in Tampa, United States, in the North America region.
How does Phonism by Inlayer make money?
One revenue line is on record: subscription Services.
Who are Phonism by Inlayer's main competitors?
Broad incumbents on record are Cisco Webex (native device management), Microsoft Teams (Teams Admin Center / Teams Rooms) and Zoom (Zoom Device Management). Direct peers are Epygi Technologies, Sangoma (formerly Digium), E-MetroTel, Grandstream Device Management System (GDMS), HP Poly (Poly Lens), 3CX and Yealink Device Management Platform.
Does Phonism by Inlayer have an API?
Yes. Phonism offers a Comprehensive REST API that enables OEMs and service providers to embed provisioning, configuration, security, and lifecycle management into their new or existing applications. The API platform is developer-friendly and allows users to quickly embed device management capabilities without custom development. Documentation available at apidocs.phonism.com. Developer documentation is at apidocs.phonism.com.
What industry is Phonism by Inlayer in?
Phonism by Inlayer's product category is Telecom Device Management Software. Its primary akta.pro industry code is BPAEAOAI, Endpoint & Mobile Asset Management (UEM/MDM Asset Controls), with a secondary code of HDAEALAD, IT Asset Management (ITAM) Platforms. Its NAICS code is 5132 and its SIC code is 7371.