Access4 vs. CallTower Comparison


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		Related Products net2phone net2phone is an AI-powered business communication platform for companies serious about customer experience. Trusted by 500,000+ users and backed by 30+ years of experience, net2phone eliminates the friction of scattered channels and disconnected tools, so every conversation drives retention and growth. Unite unifies voice, messaging, video, and chat in one place, with call recording, sentiment analysis, and AI-generated follow-ups. AI Agent automates customer inquiries and workflows across phone and chat in 30+ languages, handing off to humans when needed. Coach AI reviews 100% of interactions to guide agent performance. uContact gives high-volume teams omnichannel routing and real-time dashboards. Every solution integrates with the tools you already use and runs on enterprise-grade security. Beyond software, net2phone provides expert guidance at every step, from setup to integration to ongoing optimization, so your technology delivers measurable results. 197 Ratings Visit Website Yeastar P-Series PBX System Focusing on delivering "Easy-first Unified Communications", Yeastar P-Series Phone System offers companies of all sizes with a complete package for calls, video, messaging, and integrations, out of the box. With in-built visual call management, integrated video conferencing, advanced contact center features, and ready-made SMS, WhatsApp, Microsoft Teams, CRMs, and more platform integrations, P-Series boosts productivity at all levels and provides everything across desktop, mobile, and browser with simple user apps. Available in the Appliance, Software, and Cloud Editions, P-Series provides flexible deployment options, allowing you to have it sited on-premises or in the cloud. Balancing costs and future growth, it requires a lower total cost of ownership, less training, and fewer management efforts. The ease of use and future-proof adaptability are paramount. 116 Ratings Visit Website PBXware PBXware is the world’s first and most mature IP PBX Professional Open Standards Turnkey Telephony Platform. Since 2004, PBXware has deployed flexible, reliable, and scalable Next Generation Communication Systems and VoIP solutions to Small and Medium sized Businesses (SMBs), enterprises, Internet Telephony Service Providers (ITSPs), Call Centers and governments worldwide by combining the most advanced of the latest technologies. Bicom Systems’ softswitch is offered in Business, Contact Center and Multi-Tenant Editions, each supporting specific features maximizing performance, reliability, and expandability. 39 Ratings Visit Website ULTATEL Ultatel stands at the forefront of business communications, empowering organizations with cutting-edge cloud VoIP technology to boost productivity and stay connected with customers anywhere, anytime. Our plans come fully scalable, featuring unlimited HD Voice, SMS, Fax, Chat, Video, and over 40 advanced features and integrations. Experience true transparency with our no-hidden-fees pricing model—what you see is exactly what you pay! Recognized as a Gartner Category Leader and G2 High Performer, Ultatel offers a unified communications platform that evolves with your business. Powered by our innovative FlexScale technology, you can effortlessly adjust your communication needs without any downtime or penalties. Our Award-Winning Customer Support team is here for you 24/7/365, delivering a remarkable 94% first-contact resolution rate. With Ultatel, enjoy the peace of mind that comes with being connected beyond limits. 115 Ratings Visit Website 3CX 3CX is a software-based, open standards IP PBX that offers complete Unified Communications, out of the box. Suitable for any business size or industry 3CX can accommodate every need; from mobility and status to advanced contact center features and more, at a fraction of the cost. Ideal for companies working remotely, 3CX includes mobile apps, video conferencing and website live chat. Installation, management and maintenance of the PBX is so easy that you can effortlessly manage it yourself, whether on an appliance or server at your premise on Windows, Linux or in the cloud. Alternatively you can choose to have it hosted by 3CX for a completely hassle-free solution. 1,237 Ratings Visit Website Intermedia Unite Intermedia Unite® brings business communications, collaboration, and customer engagement into one easy-to-use platform—keeping teams connected, productive, and responsive from anywhere. It replaces fragmented tools by combining business phone service, video conferencing, team chat, and file sharing into one seamless experience, so employees can collaborate without switching apps. Unite delivers enterprise-grade calling with 100+ features, integrated customer engagement, and enhanced Microsoft Teams experiences. With mobile and desktop apps, users can call, meet, message, and engage customers from anywhere while maintaining a consistent business identity. AI-powered transcription, summaries, and insights help teams capture details and follow up efficiently. Backed by 99.999% uptime and J.D. Power-certified support, Unite ensures reliable performance—resulting in simpler communications, more productive teams, and better customer engagement. 1,634 Ratings Visit Website Aircall Aircall is an AI-powered customer communications and intelligence platform that unifies phone, messaging, and call center operations. Designed for sales and support teams, it enhances every interaction with features like AI Voice Agents, real-time conversation coaching, and integrated WhatsApp messaging. With powerful analytics, call recording, and shared inboxes, teams gain clarity and can resolve customer issues faster. The platform is easy to set up, offering quick number claiming, seamless integrations, and customizable workflows. Trusted by over 23,000 companies worldwide, Aircall helps businesses improve connection rates, boost CSAT scores, and streamline onboarding. By combining automation with human-first AI, Aircall reduces busywork so teams can focus on building better customer relationships. 1,838 Ratings Visit Website Signalmash Signalmash is a boutique CPaaS built for businesses that need reliable communications and real human support behind every interaction. No tiers. No wait times. Real support for faster development and better outcomes for your customers. Our enterprise-grade customer gets a dedicated Slack channel with our engineers. Direct Tier-1 connections with AT&T, Verizon & T-Mobile. 94% first-time 10DLC approval rate. SMS: 10DLC \| Short code \| Toll-free \| SimplyRCS (simplyrcs.ai): RCS Rich \| RCS Media through API & No-Code Platform Voice: SIP Trunking \| VoIP \| Termination \| Origination Numbers/DIDs: Local, short code & toll-free numbers \| BCID (Branded Caller ID) Number Intelligence/Lookup: Subscriber Info (CNAM) \| Carrier Information \| Carrier Type (Fixed or Wireless) \| Federal DNC Status Signalmash enterprise-grade reliability, boutique-level support. 16 Ratings Visit Website Intulse Intulse is a business VoIP provider offering hosted/cloud VoIP services for businesses. Managed VOIP phone systems with speed, flexibility, and more for small & large businesses in the USA. Intulse was founded in 2015 to help businesses that were stuck using old communication systems that only did a little but cost a whole lot find a better solution to meet their needs. Intulse’s VoIP UCaaS (Unified Communication as a Service) solutions are designed to increase productivity through the Intulse App, CRM integration (ex. Salesforce & HubSpot), softphones, time-based routing, virtual receptionists, customized greetings, unlimited extensions, and more. Customers who choose Intulse as their cloud VoIP provider get the power of a feature-rich system that can be customized to best-fit how they do business. Intulse’s communications specialists work closely to help select and implement features to ensure each business gets the most out of their system and service. 140 Ratings Visit Website Community Phone Calling made modern. Your business number. Your employees' phones. Our amazing features. A dial menu spoken by our voice actors. Callers press numbers to make purchases, hear MP3s, connect to specific staff, and more. Make and answer calls using your number on multiple phones without the caller ever knowing. Employees hear secret in-house menus, transfer calls, and send voicemails to their email, all from their dialpad. These business features require no new software or hardware. Your dialpad come to life. Porting your business or personal number at the press of a button. Select from our menu of modern voice features for your business or personal line. We'll activate these features on your current phone for you. No work (or learning) required from you. We'll be here to transform your number whenever your desires change. 1,597 Ratings Visit Website
About Maximise profits with business UCaaS products. Experience automated provisioning, management and invoicing with a leading partner success program. Eliminate overheads with automated provisioning, invoicing and management in a single platform. Integrated toll fraud protection and call limit settings to protect your business and your customers. Streamlined delivery and installation for our supported industry devices. A complete PBX replacement. Make and receive calls from the public network directly in the app. Retire your PBX and move to a cloud-based Unified Comms solution suited for distributed workforce requirements, best practice collaboration and unrivalled customer experiences. Work from anywhere with ad-hoc collaboration spaces and simple file sharing across devices. Check live presence and transfer calls simply with our one-click web reception application.	About Since its inception in 2002, CallTower has evolved into a global cloud-based, enterprise-class Unified Communications, Contact Center and Collaboration solutions provider for growing organizations worldwide. CallTower provides, integrates and supports industry-leading solutions, including Operator Connect for Microsoft® Teams, Teams Direct Routing, GCC High Teams Direct Routing, Office 365, Cisco® Webex Calling / UCM, Cisco® CCPP, Zoom (BYOC), Zoom Phone, CT Cloud UCaaS and four contact center options, including Five9 for business customers.
Platforms Supported Windows Supported Mac Supported Linux Not Supported Cloud Not Supported On-Premises Not Supported iPhone Supported iPad Supported Android Supported Chromebook Not Supported	Platforms Supported Windows Not Supported Mac Not Supported Linux Not Supported Cloud Supported On-Premises Not Supported iPhone Not Supported iPad Not Supported Android Not Supported Chromebook Not Supported
Audience Companies looking for an Unrivalled voice, video and messaging solution	Audience Since its inception in 2002, CallTower has evolved into a global cloud-based, enterprise-class Unified Communications, Contact Center and Collaboration solutions provider for growing organizations worldwide. CallTower provides, integrates and supports industry-leading solutions, including Operator Connect for Microsoft® Teams, Teams Direct Routing, GCC High Teams Direct Routing, Office 365, Cisco® Webex Calling / UCM, Cisco® CCPP, Zoom (BYOC), Zoom Phone, CT Cloud UCaaS and four contact center options, including Five9 for business customers.
Support Phone Support Supported 24/7 Live Support Not Supported Online Supported	Support Phone Support Supported 24/7 Live Support Supported Online Supported
API Offers API Not Supported	API Offers API Not Supported
Screenshots and Videos View more images or videos	Screenshots and Videos View more images or videos
Pricing Free Free Version Supported Free Trial Not Supported	Pricing No information available. Free Version Not Supported Free Trial Not Supported
Reviews/Ratings Overall 0.0 / 5 ease 0.0 / 5 features 0.0 / 5 design 0.0 / 5 support 0.0 / 5 This software hasn't been reviewed yet. Be the first to provide a review: Review this Software	Reviews/Ratings Overall 0.0 / 5 ease 0.0 / 5 features 0.0 / 5 design 0.0 / 5 support 0.0 / 5 This software hasn't been reviewed yet. Be the first to provide a review: Review this Software

Training Documentation Supported Webinars Not Supported Live Online Not Supported In Person Not Supported	Training Documentation Supported Webinars Supported Live Online Supported In Person Supported
Company Information Access4 Founded: 2015 Australia www.access4.com	Company Information CallTower Founded: 2002 United States www.calltower.com
Alternatives IPFone	Alternatives Momentum Telecom Momentum
Thirdlane	MightyCall
2600Hz	Thirdlane
CallTower	Yeastar P-Series PBX System Yeastar
Fusion Connect View All	2600Hz View All
Categories Business Phone Systems Supported Business VoIP Supported Cloud PBX Supported Unified Communications Supported	Categories Business VoIP Supported Call Center Supported Call Center Infrastructure (CCI) Supported Cloud PBX Supported Telecom Expense Management Supported Telephony Supported UCaaS Supported Unified Communications Supported
	Business VoIP Features Call Parking Supported Call Recording Supported Contact Management Supported Encryption Supported IVR / Voice Recognition Supported Ring Groups Supported SIP Trunking Supported Unified Communications Supported Voice Quality Enhancement Supported Unified Communications Features Audio / Video Conferencing Supported Calendar Management Supported Call Recording Supported Call Routing Supported Chat / Messaging Supported Fax Management Supported File Sharing Supported Mobile Access Supported Multi-User Collaboration Supported Voice Mail Supported Show More Features Call Center Features Blended Call Center Supported Call Logging Supported Call Recording Supported Call Scripting Supported Campaign Management Supported Database Not Supported Escalation Management Supported Inbound Call Center Supported IVR / Voice Recognition Supported Manual Dialer Supported Outbound Call Center Supported Predictive Dialer Supported Progressive Dialer Supported Queue Management Supported Real-time Chat Supported Reporting/Analytics Supported
Integrations Cisco Webex Supported Five9 Not Supported Go Integrator Cara Supported Microsoft Teams Supported Salesforce Not Supported Tall Emu Supported View All 5 Integrations	Integrations Cisco Webex Not Supported Five9 Supported Go Integrator Cara Not Supported Microsoft Teams Not Supported Salesforce Supported Tall Emu Not Supported View All 2 Integrations
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