Top 23 VoIP Service Provider Companies

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In 2025, the VoIP market sees a diverse range of 23 leading providers across the United States, from Vitel Global's cloud-based systems in New Jersey to Medtel Communications' tailored healthcare solutions in Florida. Each firm brings unique specialties, such as IntelliVoice's cost-effective scalability in Florida and SCyber Communications' emphasis on user-friendly UCaaS in Ohio. With innovations ranging from unified communications and remote working tools to HIPAA compliance and customizable features, these companies are ideally positioned to meet the evolving demands of businesses nationwide.

Vitel Global logo

Vitel Global

🇺🇸 295 Durham Avenue Suite D

Vitel Global specializes in providing cloud-based business phone systems, focusing on hosted VoIP and PBX solutions that enable seamless communication for organizations of all sizes. Its innovative approach integrates advanced telecommunications features with remote working capabilities, making it an ideal choice for businesses with multiple locations or remote employees.

VoIP
Hosted PBX
cloud communications
business telephony
unified communications
remote working
IP telephony
call monitoring
CRM integration
business phone service
telecommunications
Company size: 51-200
Founded: 2010
IntelliVoice, LLC logo

IntelliVoice, LLC

🇺🇸 622 2nd Ln A

IntelliVoice specializes in telecommunications, offering innovative business phone services and cloud-based communication solutions designed to enhance productivity while reducing costs. Their unique architectural approach to Hosted PBX and IP telephony ensures exceptional reliability, scalability, and manageability for businesses of all sizes.

telecommunications
business phone
cloud phone
IP phones
VoIP
SIP trunks
video conferencing
unified communications
CPaaS
digital receptionist
hosted PBX
voice over IP
Company size: 2-10
Founded: 2010
Concert Telecommunications logo

Concert Telecommunications

🇺🇸 Raleigh, NC, US

Concert Telecommunications specializes in Unified Communications solutions that enhance business communication, collaboration, and mobility through innovative technologies like Voice over IP and Hosted PBX. Their focus on seamless integration positions them as a leader in the telecommunications industry.

telecommunications
unified communications
VoIP
programmable telephony
IP telephony
hosted phone
hosted PBX
communication
collaboration
mobility
Company size: 2-10
Founded: 2024
SAVECOM TELECOM logo

SAVECOM TELECOM

🇺🇸 1444 62nd St Brooklyn, New York 11219, US

Savecom Telecom specializes in enterprise-grade Hosted VoIP and Unified Communications, offering innovative business phone solutions such as Hosted PBX and SIP Trunking. Its personalized service positions it as a rapidly emerging standard in the telecommunications industry.

VoIP
hosted VoIP
unified communications
business phone
small business
hosted PBX
SIP trunking
enterprise communications
telecommunications
Company size: 11-50
Founded: 2013
iCall Systems logo

iCall Systems

🇺🇸 539 W. Commerce #192 Dallas, Texas 75208, US

Specializing in business consulting and services, this firm offers innovative cloud-based PBX and telecommunication solutions that help businesses reduce Internet and phone service costs by 30% or more. Renowned for their seamless VoIP integration and superior call quality, they provide a next-generation communication platform that enhances connectivity and simplifies telephony systems for clients.

cloud PBX
telecommunication
VoIP
business consulting
connectivity
call quality
communication platform
data communications
virtual PBX
phone systems
Company size: 11-50
Founded: 2008
Digium logo

Digium

🇺🇸 445 Jan Davis Drive Huntsville, Alabama 35806, US

Digium specializes in telecommunications, offering Asterisk software and Switchvox business phone systems that provide affordable, enterprise-class Unified Communications solutions. Notably, Asterisk is a free and open-source communications engine that enables users to build customized communication systems, while Switchvox delivers a cost-effective alternative to proprietary UC systems for small-to-midsized businesses.

Asterisk
telephony
hardware
Unified Communications
VoIP
SIP Trunking
IP PBX
Hosted PBX
mobile UC
softphone
IP Phones
training
Company size: 51-200
Founded: 1999
Alliance Connect logo

Alliance Connect

🇺🇸 Houston , Tx 77002, US

Alliance Connect specializes in cloud-based telecommunications, offering unified communication services that enhance business productivity while significantly reducing costs. With innovative features like mobile access through the ConnectUC app and SIP trunking options, it simplifies communication for businesses, allowing seamless voice, video, and messaging capabilities from anywhere.

cloud communications
unified communications
VoIP
SIP trunking
hosted telephony
mobile communication
business SMS
video calls
PBX integration
productivity tools
Company size: 2-10
Founded: 2021
Voip Phone Solution logo

Voip Phone Solution

🇺🇸 Kings Hwy Brooklyn, New York 11206 , US

VoIP Phone Solution specializes in providing cloud-based VoIP services that enable businesses of all sizes to connect seamlessly without being restricted by location or traditional wiring. Their innovative approach focuses on customizable features that grow with the business, ensuring reliable long-distance communication and enhanced customer management through advanced software tools.

VoIP
cloud communication
internet telephony
remote connectivity
unified communications
business telephony
call management
feature-rich services
digital communication
Company size: 11-50
Scyber Communications, LLC. logo

Scyber Communications, LLC.

🇺🇸 Dayton, OH 45459, US

Specializing in Unified Communications as a Service (UCaaS), Scyber Communications delivers cloud-based solutions that enhance business communication and connectivity across devices and locations. With a focus on scalable and user-friendly phone systems, it offers tailored services designed to meet diverse organizational needs.

telecommunications
UCaaS
cloud communications
PBX
VoIP
business phone
virtual phone
connectivity
data networking
fiber
Company size: 2-10
Founded: 2022
Amp Telecom logo

Amp Telecom

🇺🇸 2806 Flintrock Trace Ste 101

Amp Telecom specializes in telecommunications, offering innovative Voice Over IP solutions and unified communication services designed to enhance office productivity. Their extensive features, including cloud PBX options and HIPAA-compliant phone solutions, provide businesses with reliable and cost-effective communication tools.

telecommunications
VOIP
unified communications
digital phone
cloud PBX
network design
video conferencing
telephony
business telephones
cabling
broadband
HIPAA compliance
Company size: 2-10
Founded: 2015
VOIP OFFICE logo

VOIP OFFICE

🇺🇸 525 E Big Beaver Rd Troy, Michigan 48083, US

A leading provider in the telecommunications industry, VOIP OFFICE specializes in affordable, cloud-based communication solutions that cater to businesses of all sizes. Their innovative VoIP technology combines traditional PBX features with advanced functionalities, enabling seamless connectivity and unified communication for users globally.

cloud communications
VoIP
PBX
unified communication
conference calls
call recording
mobile application
CRM integration
HIPAA compliant
call queue
corporate phone systems
hosted PBX
Company size: 201-500
Founded: 2004
Vodia Networks Inc. logo

Vodia Networks Inc.

🇺🇸 131 Middlesex Tpke Burlington, Massachusetts 01803, US

Vodia Networks Inc. specializes in unified communications software, offering a versatile PBX solution that supports both on-premise and cloud-based telephony systems. Its innovative, operating system-independent platform allows for seamless integration with a wide range of SIP devices, providing businesses with flexibility and comprehensive telephony features.

unified communications
telephony
PBX
cloud computing
WebRTC
multi-tenant
SIP
trunking
billing
API
SaaS
ZRTP
Company size: 11-50
Founded: 2012
Infinity Communications LLC logo

Infinity Communications LLC

🇺🇸 312 W 2nd St PMB 5196 Casper, Wyoming 82601, US

Infinity Communications LLC specializes in IT services and consulting, offering a comprehensive range of customized communication solutions, including VoIP termination, SIP origination, and cloud-based telephony. With a focus on global reach and advanced technology, it provides businesses with reliable, high-quality communication services tailored to meet diverse needs.

voip
termination
dialer
pbx
origination
did
sms
cloud
communication
wholesale
infrastructure
engagement
Company size: 2-10
Founded: 2022
PointOne logo

PointOne

🇺🇸 austin, TX 78701, US

PointOne specializes in innovative cloud-based communication solutions, offering advanced Communications Platforms as a Service (CPaaS) and Unified Communications as a Service (UCaaS) with RESTful APIs, setting itself apart with a focus on flexibility and integration in the telecommunications industry.

telecommunications
CPaaS
UCaaS
VoIP
SIP
RESTful APIs
cloud communications
PBX
IVR
vanity phone numbers
Company size: 11-50
VoIP Doctors logo

VoIP Doctors

🇺🇸 1040 Kings Hwy North Suite 201

Specializing in telecommunications, VoIP Doctors provides innovative cloud communication solutions, including VoIP, UCaaS, and consulting services, to help businesses modernize their telecom infrastructure. Their unique approach focuses on operational efficiency and cost reduction, enabling organizations to enhance productivity and reinvest savings effectively.

telecommunications
VoIP
cloud communications
UCaaS
hosted services
SIP trunking
consulting
telecom infrastructure
remote solutions
business continuity
cybersecurity
VoIP engineering
Company size: 2-10
Founded: 2019
Thirdlane logo

Thirdlane

🇺🇸 Fairfax, CA 94930, US

Thirdlane offers a unified communications platform tailored for managed service providers and UCaaS providers, specializing in highly customizable and scalable solutions for businesses and telephony service providers. Their advanced multi-tenant software and open architecture enable flexible deployment options, enhancing reliability and value-added services while maintaining competitive pricing.

unified communications
cloud PBX
multi-tenant PBX
telephony
collaboration
Internet telephony
call center
scalability
customization
open architecture
service providers
business communication
Company size: 11-50
Founded: 2003
Envoi Networks, Inc. logo

Envoi Networks, Inc.

🇺🇸 21721 Filigree Court Suite 2075-Dock A

Envoi Networks specializes in high-quality cloud-based telephony solutions, offering a range of services including VoIP communications, hosted PBX, and SIP trunking. With a focus on seamless collaboration and reliability, the firm aims to enhance efficiency and resource savings for enterprises through innovative and accessible telecommunications solutions.

cloud telephony
VoIP
SIP trunking
hosted PBX
unified communications
collaboration services
telecommunications
data connectivity
internet connectivity
IT networks
WiFi implementation
Company size: 11-50
Founded: 2009
YeaVoice, LLC logo

YeaVoice, LLC

🇺🇸 PO BOX 381 Hamburg, NY 14075, US

YeaVoice specializes in providing flexible VoIP communications solutions that simplify business telephony through cloud-based technology, enhancing productivity while reducing costs. With a focus on reliable service and expert support, it offers a comprehensive range of VoIP services, including business telephones, conference calling, and high-speed communication.

VoIP
telecommunications
cloud
phone systems
PBX
web conferencing
UCaaS
CCaaS
business communications
national calling
conference calling
data centers
Company size: 2-10
Founded: 2010
nexogy logo

nexogy

🇺🇸 2121 Ponce De Leon Boulevard Suite 610

Nexogy specializes in telecommunications, offering next-generation telephony solutions that leverage existing high-speed Internet connections to provide global calling capabilities. Their innovative approach includes a feature-rich digital telephone service and an interactive communications portal, delivering a cost-effective alternative to traditional phone systems while enhancing IP communications.

telecommunications
VoIP
phone systems
hosted services
IP PBX
call center
contact center
digital telephony
interactive portal
routing technologies
global network
Company size: 51-200
Founded: 1999
Carolina Digital Phone Inc logo

Carolina Digital Phone Inc

🇺🇸 301 S Elm Street, Suite 601 Greensboro, North Carolina 27401, US

Specializing in telecommunications, this provider offers cloud-based Hosted VoIP solutions tailored for businesses, schools, and government entities. Their innovative approach combines geo-redundant services and feature-rich PBX systems, enabling seamless communication and management through browser and mobile apps, while supporting remote work and enhancing customer engagement.

telecommunications
cloud-based
VoIP
PBX
IP-based
remote communication
call management
auto-attendant
unified communications
mobile integration
Company size: 11-50
Founded: 2000
Medtel Communications logo

Medtel Communications

🇺🇸 4732 E State Road 64 Bradenton, Florida 34208, US

Medtel Communications specializes in cloud-based business phone systems and IVR solutions, offering fully integrated telecommunications services designed for reliability and ease of use. Leveraging a rich history of innovation, it provides an enterprise-class proprietary platform that enhances communication for various industries, including healthcare.

telecommunications
cloud
phone
ivr
voip
systems
healthcare
communications
hosted
service
business phone
contact center
unified communications
quality customer
pbx
platform
pharmacy ivr
voice
hosted voice
enterprise-class
Company size: 51-200
DLS Internet Services logo

DLS Internet Services

🇺🇸 950 E. Oak Street Lake in the Hills, IL 60156, US

DLS Internet Services specializes in telecommunications, offering innovative Information Technology and Voice over IP solutions tailored for small and medium-sized enterprises. Their Hosted PBX service, launched in 2005, provides a competitively priced phone system with extensive features, demonstrating strong expertise in IT networking, network security, and fixed wireless broadband.

telecommunications
VoIP
networking
network security
data center
broadband
hosted PBX
unified communications
call center technology
colocation
IT consulting
Company size: 11-50
Founded: 1994
TeleDynamic Communications logo

TeleDynamic Communications

🇺🇸 26010 Eden Landing Rd.,Suite 1D Hayward, CA 94545, US

TeleDynamic Communications specializes in providing innovative telecommunications solutions, including virtual and premise-based PBX systems, SIP trunking, and Internet connectivity. Notably, it is recognized as the largest Digium Switchvox reseller and a leading local provider of VOIP services in its region, offering comprehensive installation, maintenance, and support for business communication needs.

telecommunications
PBX
VOIP
SIP trunking
virtual PBX
network management
business continuity
Asterisk
unified communications
Digium
Company size: 11-50
Founded: 1979

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