FreeSWITCH vs. Shell Assistant Comparison Chart

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.

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.

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.

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.

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.

Datagate is a SaaS, telecom billing solution for MSPs that sell UCaaS, VoIP, mobile voice & data services under their own brand. Datagate integrates with popular software systems that MSPs use including ConnectWise Manage, QuickBooks, Xero, Stripe, Authorize.net and others. Suitable for MSPs in USA, Canada, UK, Australia and New Zealand; Datagate & partners handle all telecom tax & compliance requirements.

VKS is a digital work instruction software that makes it easy for companies to throw out paper work instructions and transform into a digital factory. Create digital work instructions and standard operating procedures (SOPs) using pictures, videos, PDFs, annotations and more. Integrate in-process quality checklists to help reduce defects by up to 95%. Standardize best practices and increase productivity by 20%. With real-time process control and built-in reports, you also get 100% guaranteed traceability. By switching to digital work instructions, you can capture tribal knowledge and eliminate the skills gap. You also benefit from increased communication on the shop floor and the subsequent improved accuracy of your operational decision-making.

Activate your new international phone number in 60 seconds. Choose from phone numbers in over 120+ countries and 1,000 cities. Forward your calls to any phone number in the world. Robust scheduling options allow you to route your calls based on the days and hours of your business. Route your calls to your main call center during business hours and to voicemail during non-business hours. Instantly view detailed information about calls made to your TollFreeForwarding phone number. Learn about your customers' call habits to help make decisions about outbound sales and follow-up. Keep track of your calls by recording all or some of your calls. Recorded calls are stored in call detail records and can be played or downloaded at any time.

800.com is a business phone and call tracking platform that helps small and growing businesses understand, manage, and respond to inbound calls more effectively. The platform provides local and toll-free numbers, call tracking, call recording, voicemail, SMS, and detailed call reporting so teams can see where calls come from and how they’re handled. Businesses use 800.com to track phone leads across websites, ads, social media, and offline marketing, improve response times, and follow up on missed calls. With integrations for Google Ads, GA4, Meta, Microsoft Ads, and popular CRMs, 800.com connects call data to marketing and sales workflows. The platform is easy to set up, flexible as businesses grow, and designed to turn phone calls into clearer insights and better customer experiences.

DoorLoop is property management software built for speed and the smart choice for people who take growth seriously. This is property management software that actually keeps up with you. It’s surprisingly simple–a perfect blend of everything you need and nothing you don’t–and modern software that is constantly improving. With DoorLoop, you’ll get real support, real fast from people who care and respond in minutes. Say hello to a team that’s easy to work with and goodbye to the risk and pain of switching.