Asterisk vs. FreePBX vs. Issabel 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.

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.

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.

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.

Caller ID Reputation is a service that allows companies to monitor their caller IDs across all major carriers, call-blocking apps, and aggregator APIs. It provides real-time visibility and control over how calls are presented to clients, helping businesses identify flagged caller IDs and reduce flags by up to 95% in the first month. The platform offers a user-friendly dashboard to manage multiple business lines simultaneously, ensuring calls are not marked as spam or scams. Caller ID Reputation also provides real-time notifications and detailed dashboards for continuous monitoring, enabling immediate remediation of flagged numbers. By maintaining a positive phone number reputation, businesses can improve connection rates and uphold brand integrity. Blocked calls can stop you from reaching patients and they would never know you tried to call or text them. Blocked calls can stop you from reaching patients and they would never know you tried to call or text them.

CallShaper is a call center software and Predictive dialer designed to help reduce costs and increase ROI for Call Centers. CallShaper partners with businesses to maximize contacts, track the performance of agents, manage leads, and sales processes. The drag-and-drop interactive voice response (IVR) editor allows managers to transfer calls to third-party stakeholders and other recipients based on agents' availability, time, or type. CallShaper lets call centers analyze databases to determine landline or wireless leads, Do Not Call list numbers, and call abandonment rates whilst helping customers to maintain compliance with Telephone Consumer Protection Act (TCPA) regulations. Supervisors can import leads by uploading files in bulk and agents can utilize call scripts to communicate and resolve clients' queries. Using predictive and preview dialers, marketing agents can automate call handling processes and review lead information before client interactions.

imgproxy – the fastest, most flexible image processing server! imgproxy is a high-performance, secure, and open-source image processing server that gives you full control over your media pipeline. Whether you’re looking for a faster alternative to existing open-source tools, moving away from an expensive SaaS solution, or replacing a costly in-house system, imgproxy is built to handle all your image processing needs. Unlike SaaS solutions, imgproxy runs on your infrastructure, eliminating vendor lock-in and reducing cloud costs. Compared to other open-source alternatives, it is significantly faster, more secure, and easier to scale. And unlike custom-built in-house solutions, imgproxy requires no ongoing development or maintenance, saving engineering resources while delivering enterprise-grade performance. For businesses that need even more power, imgproxy Pro offers additional features, enhanced image quality, and advanced security options.

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.

Kevel (previously Adzerk) gives you the APIs needed to quickly build your own fully-customized ad server for sponsored listings, internal promotions, native ads, and more – so you can take back the Internet and drive more online revenue. Our award-winning platform handles over three billion API requests each day, and it’s helped industry leaders like Yelp and Ticketmaster shorten their build times by more than 90%.

CallHub is a digital organizing platform empowering political campaigns, nonprofits, advocacy groups, unions, and businesses with scalable outreach via calling, texting, email, and automation. The platform offers Predictive Dialer for high-volume campaigns, Power Dialer for personalized calls, and Auto Dialer. AI-powered Smart Insights categorize call sentiments. Dynamic Caller ID, Spam Shield, and SHAKEN/STIR compliance maximize answer rates. Text capabilities include Peer-to-Peer Texting, Text Broadcasts, and Text-to-Join with SMS/MMS support, URL tracking, and automated responses. Workflows automation enables multi-channel campaigns. The mobile app allows volunteers join campaigns from smartphones. CRM integrations with NationBuilder, NGP VAN, Salesforce, and Blackbaud ensure seamless sync. CallHub is SOC 2, ISO 27001, GDPR, and TCPA compliant. Trusted by 200,000+ campaigns, it has facilitated 1 billion calls and 750 million texts.