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SlateIndex
AvayaEnterprise CX orchestration with open AI and data
vs
MitelPowering Connections.
Comparison · Contact Center · weekly run Nov 3

Avaya vs Mitel

Which one do AI engines recommend, and how do they differ on price, fit and features?

The short answer

Avaya is the stronger AI pick in Contact Center: it has a visibility score of 3.2 versus 0 for Mitel.

Choose Avaya if…

  • You want the brand AI engines rank higher (3.2 vs 0)
  • You need a self-hosted or on-premises option
  • You need PCI or ISO 27001 or ISO 27017 or ISO 27018 or FedRAMP Moderate or DoD IL4 High coverage
  • You prefer a larger, established vendor (5,000+ employees)

Choose Mitel if…

  • You need FedRAMP or GDPR coverage

AI visibility side by side

Latest weekly run · Nov 3

Metric Avaya Mitel
Visibility score3.2%0%
Change vs last weekup+1.2%no change0%
Rank in Contact Center#25#48
Share of voice1%0%
Mentions this run60
Positive in AI answers20%—

The stronger value in each row is marked with a ✓.

Visibility score trend

Weekly runs over the last 60 days

0%25%50%75%100%Nov 2Nov 3Avaya 3%

Avaya +1.2000000000000002pp · Mitel 0pp over 1 weekly runs.

Engine by engine

Avaya leads on 3 of 3 engines

ChatGPT
3.1%
0%
AI Mode
2%
0%
Perplexity
4.6%
0%
AvayaMitel

Head to head in AI answers

0 engine answers name both brands

0Avaya ranked higher
0Mitel ranked higher

Features, pricing & fit

DimensionAvayaMitel
DeploymentCloud, hybrid or on-premisesOn-premises, virtualized in your data center, hybrid, or private or public cloud
CompliancePCI, HIPAA, SOC 2, ISO 27001, ISO 27017, ISO 27018, FedRAMP Moderate, DoD IL4 HighFedRAMP, HIPAA, GDPR, SOC 2
Founded20001972
HeadquartersMorristown, New Jersey, USAKanata, Ontario, Canada
Employees5,000+1,001–5,000
FundingChapter 11 emergence, owned by former creditorsNew funding on emergence from creditor protection
Best forLarge enterprises and government agenciesLarge organizations and businesses that want rapid cloud deployment

Pros and cons

Themes from the AI answers that mention each brand

Avaya

  • Market leader in on-premises contact centers
  • 36.3% of global revenue in 2025 for traditional contact centers
  • Still a major player in traditional contact centers

    Mitel

    Profile in progress.

    Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 98.8%·next run

    Cite as: SlateIndex, “Avaya vs Mitel”, https://slateindex.ai/compare/avaya-vs-mitel, data of Nov 3, 2026. Licence: CC BY 4.0.