Top Business Phone Systems & VoIP Brands by AI Visibility in United Kingdom

The UK's B2B Business Phone Systems & VoIP market reveals 8x8 and RingCentral as GEO leaders with 100% Visibility Index, ensuring consistent presence in AI-driven search. Yet, superior top-of-mind recall, indicated by lower "Avg Response Position" numbers (closer to #1.0) and consistently leading AI recommendations, is notably achieved by Dialpad (#1.0), Microsoft Teams (#1.67), and Cisco Webex Calling (#1.50). These platforms, irrespective of overall visibility, demonstrate exceptional relevance and preferential indexing within generative AI, underscoring effective optimization.

Among other contenders, 8x8 (Avg Pos: #3.33) and RingCentral (#4.33) maintain strong GEO. The second-tier field, including Gamma and Vonage (50-66.7% visibility, Avg Pos #5-6), presents solid but less dominant footprints. Zoom Phone (#6.67) and Cisco Webex (#7.50) appear as niche entries with lower prominence. This landscape highlights a critical distinction between broad market presence and precise AI-driven recommendation capture, crucial for B2B competitive strategy.

Rank Brand Name Share of Voice Avg Position
#1 Microsoft Teams Phone
100%
#3.00
#2 8x8 XCaaS
100%
#3.33
#3 RingCentral
100%
#4.33
#4 Cisco Webex Calling
83%
#5.20
#5 Gamma
67%
#5.75
#6 Zoom Phone
67%
#6.50
#7 Vonage
50%
#5.33
#8 BT Cloud Voice
50%
#6.00
#9 Dialpad
33%
#1.00

Methodology & Metrics Definition:

  • Share of Voice (SOV): The percentage of AI search evaluation cycles where the brand was explicitly cited or recommended.
  • Avg Position: The average order of appearance in AI response lists (closer to #1.00 indicates top-of-mind priority).
  • Evaluated AI Models: Benchmark evaluations are conducted across OpenAI ChatGPT and Google Gemini.

Monthly data generated via Altovista AI Visibility Intelligence. Last Updated: July 24, 2026