Skip to main content
OneStream Networks logo

OneStream Networks

Alternatives with evidence

Experience the power of advanced cloud communications with CallTower's unified, connected

Vendors that share product tags or the Communications and CPaaS category with OneStream Networks and carry public evidence, ranked by shared tags, description similarity and overlapping evidence.

Intermedia.net logo

Intermedia.net

Communications and CPaaS

Intermedia is a leading one-stop shop for unified communications, business email, VoIP, web/ video/ content sharing, identity & security

DPF mark, CertReports state Verified
1 verified2 Nov 2026
Vonage logo

Vonage

Communications and CPaaS

Vonage, a global cloud communications leader, helps businesses accelerate their digital

CSA STAR mark, CertReports state VerifiedDPF mark, CertReports state Verified
2 verified2 Nov 2026
Dialpad logo

Dialpad

Communications and CPaaS

The only AI-driven, cloud-native business communications

HIPAA mark, CertReports state Vendor-statedSOC 2 mark, CertReports state Vendor-statedGDPR mark, CertReports state Vendor-statedPCI DSS mark, CertReports state Vendor-statedISO 27001 mark, CertReports state Vendor-statedCSA STAR mark, CertReports state Verified
1 verified · 9 stated3 Nov 2026
NUWAVE logo

NUWAVE

Communications and CPaaS

NUWAVE’s cloud communication solutions enable carriers and customers to deploy global Microsoft Teams, Zoom Phone, and Webex Calling

DPF mark, CertReports state Verified
1 verified2 Nov 2026
SIPPIO logo

SIPPIO

Communications and CPaaS

Go beyond calling with

DPF mark, CertReports state Verified
1 verified2 Nov 2026
RingCentral logo

RingCentral

Communications and CPaaS

Power the voice of your business with RingCentral Agentic Voice AI, including AI Receptionist (AIR), AI Virtual Assistant (AVA), & AI

HIPAA mark, CertReports state Vendor-statedSOC 2 mark, CertReports state Vendor-statedGDPR mark, CertReports state Vendor-statedISO 27001 mark, CertReports state Vendor-statedCyber Essentials mark, CertReports state Vendor-statedSOC 3 mark, CertReports state Vendor-stated
1 verified · 13 stated3 Nov 2026
GoTo logo

GoTo

Communications and CPaaS

Businesses of all sizes trust GoTo to power business growth and support

DPF mark, CertReports state Verified
1 verified2 Nov 2026
Advania logo

Advania

Collaboration

Sipcom. Sipcom's Unified Communication transformation services allow every company to clarify their comms and ignite collaboration.

DPF mark, CertReports state Verified
1 verified2 Nov 2026
Sangoma Technologies logo

Sangoma Technologies

Networking

Affordable business communications with cloud, hybrid, and on-premises

DPF mark, CertReports state Expired
2 Nov 2026
SignalWire logo

SignalWire

Communications and CPaaS

Build AI voice agents, contact centers, and unified communications on one programmable

HIPAA mark, CertReports state Vendor-statedSOC 2 mark, CertReports state Vendor-statedGDPR mark, CertReports state Vendor-statedPCI DSS mark, CertReports state Vendor-statedISO 27001 mark, CertReports state Vendor-statedDPF mark, CertReports state Verified
1 verified · 6 stated2 Nov 2026
Rack-Soft logo

Rack-Soft

Communications and CPaaS

4PSA accelerates communication and team

DPF mark, CertReports state Expired
2 Nov 2026
Global Convergence logo

Global Convergence

Communications and CPaaS

Global Technology Solutions Provider delivering innovative IT services, unified communications, and cybersecurity for diverse

DPF mark, CertReports state Expired
2 Nov 2026
Pinnaca logo

Pinnaca

Communications and CPaaS

Global Technology Solutions Provider delivering innovative IT services, unified communications, and cybersecurity for diverse

DPF mark, CertReports state Expired
2 Nov 2026
Lifesize logo

Lifesize

Communications and CPaaS

Our leading cloud solutions connect customers, contact center agents and employees with solutions designed for today’s digital

CSA STAR mark, CertReports state VerifiedDPF mark, CertReports state Expired
1 verified2 Nov 2026
Dialwave logo

Dialwave

Communications and CPaaS

Dialwave is a leading provider of cloud-based voice and wireless communication products for businesses

DPF mark, CertReports state Verified
1 verified2 Nov 2026
Teamspeak Systems logo

Teamspeak Systems

Communications and CPaaS

TeamSpeak — the trusted voice communication platform for gaming, business, and

DPF mark, CertReports state Expired
2 Nov 2026
BVoIP logo

BVoIP

Collaboration

Voice, messaging, AI, and 200+ integrations, purpose-built for IT &

DPF mark, CertReports state Expired
2 Nov 2026
Talkdesk logo

Talkdesk

Communications and CPaaS

Talkdesk is an easy-to-use, cloud-based call center software solution that helps growing businesses, improve customer interactions, while

FedRAMP mark, CertReports state VerifiedCSA STAR mark, CertReports state VerifiedDPF mark, CertReports state Verified
3 verified3 Nov 2026
8x8 logo

8x8

Communications and CPaaS

8x8 business VoIP helps you serve your customers better with mobile, flexible solutions that help you do business anywhere

SOC 2 mark, CertReports state Vendor-statedGDPR mark, CertReports state Vendor-statedPCI DSS mark, CertReports state Vendor-statedISO 27001 mark, CertReports state Vendor-statedCSA STAR mark, CertReports state VerifiedISO 27017 mark, CertReports state Vendor-stated
2 verified · 8 stated2 Nov 2026
911inform logo

911inform

Communications and CPaaS

Advancing communication between Schools and Emergency

FedRAMP mark, CertReports state Verified
1 verified3 Nov 2026
Whispir Americas logo

Whispir Americas

Communications and CPaaS

Effective Communication That Solves Enterprise Size

DPF mark, CertReports state Expired
2 Nov 2026
Twilio logo

Twilio

Communications and CPaaS

Build amazing customer experiences on the Twilio platform with APIs for SMS, RCS, voice, and email, plus conversational AI for smarter

HIPAA mark, CertReports state Vendor-statedSOC 2 mark, CertReports state Vendor-statedGDPR mark, CertReports state Vendor-statedPCI DSS mark, CertReports state VerifiedISO 27001 mark, CertReports state Vendor-statedISO 27017 mark, CertReports state Vendor-stated
2 verified · 7 stated3 Nov 2026
TCN logo

TCN

Communications and CPaaS

TCN’s cloud contact center software and AI powered solutions empower your contact or call center with an elevated experience for agents &

PCI DSS mark, CertReports state VerifiedDPF mark, CertReports state Verified
2 verified2 Nov 2026
Voximplant logo

Voximplant

Communications and CPaaS

Voximplant’s platform is a full-featured CPaaS for voice, video &

DPF mark, CertReports state Verified
1 verified2 Nov 2026