Best Softphone Applications for Slack

Find and compare the best Softphone applications for Slack in 2026

Use the comparison tool below to compare the top Softphone applications for Slack on the market. You can filter results by user reviews, pricing, features, platform, region, support options, integrations, and more.

  • 1
    Adversus Reviews

    Adversus

    Adversus

    €100 pr. license
    172 Ratings
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    Adversus features an integrated cloud softphone, enabling outbound sales representatives to initiate and answer calls straight from their web browser, eliminating the need for additional hardware or desk phones. This solution is tailored for high-volume outbound calling, offering rapid call management, automatic lead uploads, and organized processes for after-call tasks. Sales reps can concentrate on engaging with customers rather than handling administrative duties. It seamlessly integrates with CRM systems to record calls and synchronize data effortlessly. With a dependable infrastructure boasting over 99.97% uptime, it adheres to GDPR regulations and holds ISO certification, making it an excellent choice for both remote and on-site outbound teams.
  • 2
    CTM Reviews

    CTM

    CallTrackingMetrics

    $79 per month
    939 Ratings
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    CTM is a cloud-based conversation analytics and lead management platform designed to connect marketing attribution with customer communications and sales outcomes. Formerly known as CallTrackingMetrics, the software provides call tracking, conversation intelligence, lead routing, and contact center functionality. Its call tracking technology uses dynamic number insertion to attribute incoming calls to specific advertising campaigns, keywords, websites, and marketing channels. The platform also tracks SMS conversations, website form submissions, and online chats to provide a consolidated view of customer engagement. AI-powered analytics automatically transcribe, summarize, score, and analyze conversations to identify customer sentiment, purchasing intent, and potential sales opportunities. CTM includes AI voice agents that can answer inbound calls, qualify prospects, schedule appointments, and route inquiries to appropriate team members. Workflow automation tools support lead distribution, customer follow-ups, notifications, and CRM updates based on configurable business rules. Its reporting capabilities include real-time dashboards, advertising ROI analysis, agent performance monitoring, and campaign attribution reports. CTM integrates with marketing, analytics, and CRM platforms through native integrations, APIs, webhooks, and customizable automation tools.
  • 3
    800.com Reviews

    800.com

    800.com

    $19 per month
    2,436 Ratings
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    Turn the world into your office. 800.com allows you to manage your business from your cell phone. No contract, advanced calling features, forwarding for cell phones, and advanced calling features Increase conversions, brand recall, higher call response, and SMS messaging. Manage extensions, send professional greetings and manage your account online. 800.com offers standard forwarding as well as simultaneous and sequential ringing. Toll free numbers are the best standard for telephone numbers and will be taken seriously by US customers. Local numbers signal that your company isn't focused on doing business in the entire country. Every 800.com member has access to every phone system tool, regardless of the plan they choose. You will not only help your customers avoid long distance fees but also your company.
  • 4
    Zadarma Reviews
    Top Pick
    Smart VoIP Solution for Teams of Any Size Zadarma replaces traditional phone systems with a cloud-based platform that’s easy to configure and use. Whether you’re a freelancer, small business, or global enterprise — Zadarma scales with your needs. What you get: - Local, mobile, and toll-free numbers worldwide - Virtual PBX with call queues, voice menus, call recording - AI Voice Agent and AI-speech recognition and analytics - Connect multiple offices and remote employees - Affordable call rates and flexible pricing plans - Real-time call statistics and recording storage - Support for IP phones, softphones, and browsers No hardware needed — just connect your team and start calling.
  • 5
    Contact Cloud Reviews

    Contact Cloud

    Bipath Software

    $0 per company
    This is the fastest and most cost-effective way to connect marketing channels with sales teams while also supporting customers. Eliminate repetitive, manual tasks. Automated routing and workflows allow you to free up your support, marketing, and sales teams to focus on strategic tasks and not get bogged down in manual tasks. Eliminate the disconnect between your customer and you. All you need to do is add one line of Contact Clouds' tracking codes to all pages of your website. No tags or custom URLs are required. Tracking code instantly recognizes the channel and the geographic location from which visitors are coming and will show them the correct number. You can ensure that critical actions are taken while conserving agent resources. You can use triggers to create logic and a unique workflow that routes calls according to your preferences.
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