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Head-to-head · Unified Communications Software

Dialpad Ai Voice vs Alcatel-Lucent Enterprise Rainbow

  • Updated Oct 2026
  • Both researched from official sources
  • 7 checks side by side
Higher score Dialpad Ai Voice #4 in Unified Communications Software 8.8/10 14-day trial Free trial✓ 6 of 6 features Visit Dialpad
Alcatel-Lucent Enterprise Rainbow #10 in Unified Communications Software 8.2/10 Free plan · pricing on request Free plan✓ 5 of 6 features Visit Rainbow

Dialpad Ai Voice leads on 0 checks, Alcatel-Lucent Enterprise Rainbow on 1, and 6 are even. Who comes out ahead on the 7 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreDialpad Ai Voice · 8.8/10
  • Free planonly Alcatel-Lucent Enterprise Rainbow
  • Free trialonly Dialpad Ai Voice
  • Most featuresDialpad Ai Voice · 6 of 6

Dialpad Ai Voice scores higher on our rubric for unified communications software: 8.8 against 8.2 out of 10; our editors rank them #4 and #10.

Alcatel-Lucent Enterprise Rainbow offers free plan; Dialpad Ai Voice doesn't.

Dialpad Ai Voice is the better fit for AI-focused business communications teams. Alcatel-Lucent Enterprise Rainbow is the better fit for organizations wanting free entry-level UC.

  • Dialpad Ai Voice fits best

    AI-focused business communications teams

  • Alcatel-Lucent Enterprise Rainbow fits best

    Organizations wanting free entry-level UC

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Dialpad Ai Voice 8.8/10 Visit ↗ Alcatel-Lucent Enterprise Rainbow 8.2/10 Visit ↗
At a glance
Editor score 8.8 8.2
Ranking #4 in Unified Communications Software #10 in Unified Communications Software
Best for AI-focused business communications teams Organizations wanting free entry-level UC
Pricing model Paid Free plan + paid
Starting price $15/user/mo —
Free plan — ✓ (best)
Free trial 14 days —
Deployment Cloud, Desktop, Mobile Cloud, Desktop, Mobile
Platforms Web, Windows, macOS, iOS, Android Web, Windows, macOS, iOS, Android
Integrations 6 integrations 11 integrations
Features Dialpad Ai Voice 6/6 · Alcatel-Lucent Enterprise Rainbow 5/6
Business calling ✓ ✓
Team messaging ✓ ✓
Video meetings ✓ ✓
Call recording ✓ ✓
Auto attendant ✓ ✓
Business SMS ✓ (best) Not checked yet
Specs
Meeting participant limit 150 participants Not checked yet
Our review
Pros
  • Combines calling, chat, meetings, SMS/MMS, routing, and recording
  • Real-time transcription and call summaries are included on Standard
  • Works across web, desktop, mobile, and API with major integrations
  • Free Essential plan covers messaging, calls, video, sharing, and files
  • Supports PBX integration, business telephony, APIs, and SDKs
  • Available across web, desktop, iOS, and Android
Cons
  • No free plan; paid access starts at $15 per user per month annually
  • Standard lacks automatic call recording, though manual recording is supported
  • Advanced integrations, 24/7 support, and multi-office management require Pro
  • Paid plan pricing is handled through consultation or partners
  • Advanced capabilities are divided across several paid tiers
  • Some features, including recording, depend on the selected plan
Our verdict

Dialpad Ai Voice, now marketed as Dialpad Connect, brings business calling, team messaging, video meetings, SMS/MMS, call routing, recording, and AI transcription into one communications platform. It is designed for organizations and teams…

Read the review →

Alcatel-Lucent Enterprise Rainbow is a cloud communication and collaboration platform for businesses and public organizations. It brings persistent one-to-one and group chat, audio and video calling, meetings, screen and application…

Read the review →
  1. Dialpad Ai VoiceUnified Communications Software 8.814-day trial
  2. Alcatel-Lucent Enterprise RainbowUnified Communications Software 8.2Free plan · pricing on request

Strengths and trade-offs

  • Dialpad Ai Voice — where it wins

    • Combines calling, chat, meetings, SMS/MMS, routing, and recording
    • Real-time transcription and call summaries are included on Standard
    • Works across web, desktop, mobile, and API with major integrations

    Where it doesn't

    • No free plan; paid access starts at $15 per user per month annually
    • Standard lacks automatic call recording, though manual recording is supported
    • Advanced integrations, 24/7 support, and multi-office management require Pro
  • Alcatel-Lucent Enterprise Rainbow — where it wins

    • Free Essential plan covers messaging, calls, video, sharing, and files
    • Supports PBX integration, business telephony, APIs, and SDKs
    • Available across web, desktop, iOS, and Android

    Where it doesn't

    • Paid plan pricing is handled through consultation or partners
    • Advanced capabilities are divided across several paid tiers
    • Some features, including recording, depend on the selected plan
  • Dialpad Ai Voice8.8/10 · 14-day trial

    A unified communications platform combining calling, collaboration, routing, and AI summaries.

    Visit DialpadFull verdict →
  • Alcatel-Lucent Enterprise Rainbow8.2/10 · Free plan · pricing on request

    A broad UC suite with free entry-level calling, messaging, meetings, and sharing.

    Visit RainbowFull verdict →

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update