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Price the full per-agent cost, since AI coaching, staff scheduling and quality scoring are often add-ons or top-tier only, and confirm billing terms.

What matters most?
Zoom

Zoom Meetings video calls, now expanded into business phone and contact center.

  • Businesses already using Zoom Meetings can add calling in the same Zoom Workplace app.
  • Entry phone plan includes AI call summaries, voicemail prioritization and task extraction.
  • Zoom Phone publishes a 99.999% uptime commitment in a service-level agreement.
Channels: Voice, video, chat, text, email, social
Live AI help for agents: Elite plan or $40/mo add-on
Staff scheduling: Elite plan or $20/mo add-on
CRM connection: Included
Starts at$69/user/mobilled annually
Best for: Businesses already on Zoom Meetings
RingCentral

Cloud business phone and communications, led by its RingEX platform.

  • Every RingEX plan includes AVA, an AI assistant for call notes, transcripts and summaries.
  • Core plan includes on-demand call recording and HD meetings for up to 300 people.
  • Adds calling, texting and fax inside Microsoft Teams without a Teams Phone license.
Channels: Voice + 20+ digital channels
Live AI help for agents: Professional+ or add-on from $25
Staff scheduling: Elite plan or add-on from $20
CRM connection: Included
Starts at$65/user/mobilled annually
Best for: Businesses wanting AI call notes on every plan
Dialpad

AI-powered business phone, texting and video meetings in one app.

  • All Connect plans include real-time transcripts, AI call summaries and action items.
  • Dialpad Sell adds an outbound sales dialer with CRM sync and live AI coaching.
  • Contact center runs in the same app as the business phone system.
Channels: Chat, text, social, voice, video
Live AI help for agents: Advanced plan and up; add-on below
Staff scheduling: Premium plan; add-on below
CRM connection: Built-in integrations
Starts at$89/user/mobilled annually
Best for: Small teams that want AI call notes built in
Vonage

Cloud business communications backed by Ericsson, including calling inside Microsoft Teams.

  • Vonage World Numbers offer local inbound numbers in 96+ countries.
  • VBC Lite adds basic Vonage calling inside Teams without a Teams phone license.
  • Vonage cites a 4.93 of 5 Salesforce AppExchange rating from 1,000+ customer reviews.
Channels: Most channels; web chat is add-on
Live AI help for agents: Offered; plans not published
Staff scheduling: Paid add-on (partner tools)
CRM connection: Integrations; some listed as add-on
PricingQuote only
Best for: Sales or service teams that run on Salesforce

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Plus 70+ contact center providers: Five9, Talkdesk, Genesys, NICE and others.Compare them with us →

Facts come from each vendor's own website, checked in November 2026. Prices and features change, so your advisor confirms current terms in writing before you sign.

Logos and product names are trademarks of their owners.

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ZoomRingCentralDialpadVonage

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All product and company names are trademarks of their respective owners. GBTech.ai is an independent technology advisor and is not part of any vendor shown.