Compare Siperb vs. Zoiper

3CX is an open-standards, software-based IP PBX that provides complete Unified Communications right out of the box. 3CX is suitable for all industries and sizes. It can provide everything you need, from mobility and status to advanced call center features and more, at a fraction the cost. 3CX is ideal for remote companies and includes mobile apps, video conference, and website live chat. The installation, management, and maintenance of the PBX are so simple that you can easily manage it yourself, on your own appliance, server, or on a cloud-based platform. You can also choose to have it hosted on 3CX for an easy solution.

CallTrackingMetrics is the only SaaS platform that uses call tracking and conversion intelligence to inform contact center automation--resulting in a more personalized customer experience. Find out which marketing campaigns are generating leads or conversions and use that data for automated call flows and to power your contact centre. Our phone, text, online, and live chat tools allow you to unify communications across your organization. CallTrackingMetrics is trusted by more than 100,000 users worldwide to manage communications for their sales, marketing, and service teams. Call tracking features include reliable dynamic numbers insertion (DNI), for session-level attribution, local and toll-free tracking numbers, and omnichannelattribution across calls, texts and form fills. Contact center features include a browser-based softphone and smart routing options.

Intulse is a business VoIP provider, offers hosted/cloud VoIP UCaaS services to businesses. We offer managed VoIP phone systems for businesses in the USA designed for mobility, speed, flexibility, & more. Intulse was established in 2015 to assist businesses who were stuck with old communication systems that did not do enough but cost a lot. The Intulse UCaaS (Unified Communication as a Service) solution is designed to increase productivity through the Intulse App which offers a VoIP softphone, SMS texting, messaging, CRM integration (ex. Salesforce & HubSpot), softphones, time-based routing, virtual receptionists, customized greetings (including AI generated), 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. Intulse offers 24/7, 100% US-based support which is unmatched in the industry, and we answer the phone when you call.

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. 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.

Squaretalk is a powerful contact center solution that transforms how modern sales teams connect with prospects and customers, convert sales opportunities, and grow their operations. It offers AI Voice Agents, omnichannel communication (including voice, WhatsApp messaging, SMS, and email), powerful call-handling features, and affordable scalability without additional complexity or costs. Squaretalk combines powerful communication tools with intelligent automation to help teams work more efficiently and deliver better customer experiences. Advanced call handling, automated transcripts, and sentiment analysis provide greater visibility into every conversation. The built-in contact management system keeps interactions organized and ensures no lead falls through the cracks. Flexible workflows can be customized to match specific operational needs, while advanced reporting tools offer actionable insights into team performance and business outcomes. Internal chat streamlines collaboration through instant communication, simplified mentoring, efficient escalations, and the consolidation of internal and external conversations within a single platform. Backed by enterprise-grade security, Squaretalk ensures that customer data remains protected and compliant. With local numbers in over 150 popular and niche destinations, we enable businesses of all sizes to establish and maintain a local presence, build trust, support their global expansion, and shorten sales cycles. Discover how Squaretalk’s cloud contact center platform can enhance your team’s connection rates and performance.

Adversus serves as an outbound dialing solution designed to enhance your calling strategies, automate tedious tasks, and deliver essential insights for optimizing outbound workflows and overall efficiency. Founded in 2015, Adversus emerged from the founders' frustrations with the rigidity of their previous solution, igniting a vision to create a transformative outbound tool. We prioritize user-driven innovation, recognizing that each user possesses unique needs and expectations. Our platform offers extensive flexibility and customization across all workflow elements, ensuring that our users can tailor their experience to meet specific requirements. At Adversus, we strive to develop a forward-thinking solution that remains relevant and cutting-edge, aiming not just to respond to market changes, but to redefine what is achievable within the industry. Businesses across various sectors utilize Adversus to enhance their outbound calling activities, with user bases that can range from a single user to several hundred, all united by the goal of increased efficiency. Ultimately, our commitment to innovation and user satisfaction sets us apart in the competitive landscape of outbound dialing solutions.

DataImpulse is an ethical proxy provider offering a large pool of over 90 million residential, mobile, and data center IPs from 195 countries. Pricing starts at $1 per GB for residential proxies, with a pay-as-you-go model that has no subscriptions or traffic expiration. DataImpulse proxies are ideal for web scraping, SERP monitoring, ad verification, price tracking, and more. They support HTTP/HTTPS and SOCKS5 protocols, with rotating and sticky session options. Integration options include Scrapy, Selenium, Puppeteer, proxy managers, browser extensions, and custom tools. Rated 4.8 out of 5 on G2, DataImpulse offers 24/7 human support, advanced targeting, bulk discounts, and custom features upon request.

Intermedia Unite is an all-in-one business communications and collaboration platform designed to keep employees connected and responsive across locations, devices, and teams. The solution combines cloud phone service, video meetings, team messaging, file sharing, customer engagement tools, and productivity features into one integrated platform. By consolidating multiple communication tools, Unite reduces app switching and gives employees a simpler way to call, meet, chat, share files, and engage customers from desktop or mobile devices. Its enterprise-grade calling system includes more than 100 voice features that support professional business communications and consistent customer interactions. The platform also supports enhanced Microsoft Teams experiences, helping organizations extend communication capabilities within their existing collaboration environment. AI features such as transcription, summaries, and conversation insights help users retain important information, identify follow-up actions, and improve team efficiency. Mobile and desktop apps allow employees to maintain a consistent business identity whether they are in the office, remote, or on the go. Backed by strong uptime commitments and J.D. Power-certified support, Intermedia Unite is built for reliability and ease of use. By unifying communications, collaboration, and engagement, Unite helps organizations increase productivity while improving the way teams serve customers.

NetNut is a leading proxy service provider offering a comprehensive suite of solutions, including residential, static residential, mobile, and datacenter proxies, designed to enhance online operations and ensure top-notch performance. With access to over 85 million residential IPs across 195 countries, NetNut enables users to conduct seamless web scraping, data collection, and online anonymity with high-speed, reliable connections. Their unique architecture provides one-hop connectivity, minimizing latency and ensuring stable, uninterrupted service. NetNut's user-friendly dashboard offers real-time proxy management and insightful usage statistics, allowing for easy integration and control. Committed to customer satisfaction, NetNut provides responsive support and tailored solutions to meet diverse business needs.

Gaffa is a REST API built for web scraping and browser automation, allowing developers to run real, full browsers at scale with a single API call. It removes the difficulty of managing headless browser frameworks, rotating proxies, CAPTCHA solving, and scaling infrastructure, all of which are handled automatically. JavaScript-heavy and dynamic websites render exactly as they would for a human visitor by default. Beyond standard scraping, Gaffa supports AI-driven structured data extraction (extract data into a defined schema without writing CSS selectors), screenshot and PDF capture, infinite-scroll and form-filling automation, and clean Markdown conversion for feeding webpages directly into LLM and RAG pipelines. A rotating residential proxy network keeps access reliable across regions, and a credit-based pricing model means teams pay only for the browser time and bandwidth they actually use. Gaffa is designed for AI engineers, data teams, and developers who want production-grade web data extraction without having to build and maintain their own infrastructure.