Modern Work Transformation Trends: AI, BYOD, and the Long Tail of PBX with Tim Banting

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Who should listen: Microsoft 365 service owners, UC architects and telephony leads planning PBX migrations, mobile-first strategies or Copilot licensing business cases, plus channel and vendor strategists tracking market direction.

Guest: Tim Banting — Practice Leader, Digital Workplace, Omdia

Tim Banting, Practice Leader for Digital Workplace at Omdia, shares market data on where UC spending is actually going. The conversation covers the surprisingly durable on-premises PBX install base, multi-vendor sprawl and shadow IT, whether AI features can command a price premium, and the shift from desk phones to mobile and BYOD.

Many thanks to Landis, sponsor of this episode.

Key insights

• The UCaaS market is three to four times the size of the PBX market by revenue, but on-prem PBX is still a $7.5bn market growing at 2% CAGR over the next five years, with roughly 315 million existing PBX seats in place — often kept as an insurance policy against internet outages, or because swapping out analogue/digital handsets (hotel rooms, for example) is not viable. ▶ 1:30
• Omdia's IT Enterprise Insights survey found only 11% of global respondents have consolidated UC&C onto a single vendor; around 50% run two to four vendor solutions and about 38% run five or more — and those are only the ones IT knows about. ▶ 4:03
• Banting attributes much of the multi-vendor sprawl to shadow IT: setting up external collaboration in Teams needs too much IT involvement, so business users buy a month or three of another tool to work with a partner or freelancer and simply fly under the radar. ▶ 10:09
• Microsoft's revenue growth from seat expansion looks to have topped out, so the push is now on ARPU via premium add-ons — while Zoom and Cisco bundle meeting summaries, chat responses and whiteboard prompts at no extra cost. The open question is whether Microsoft holds the $30 Copilot price point as AI becomes table stakes. ▶ 5:35
• Microsoft's differentiator on AI is data breadth: M365 Copilot can draw on SharePoint files and email context, not just meeting transcripts, which a standalone UCaaS platform cannot match — though Zoom is building towards a full stack with Docs and contact centre integration. ▶ 7:06
• Omdia's future of work survey on business mobile convergence found mobile phone usage up in 33% of businesses in response to hybrid working, with desk phone usage down 26%; some organisations have ripped out tens of thousands of handsets and say they will not buy phones again. ▶ 14:47
• 31% of organisations have a BYOD strategy versus about 32% on corporate-liable devices. Banting sees the eSIM opportunity — QR-code provisioning for six-month contractors — going to MVNOs rather than tier-one operators, who have little incentive to disrupt the margins they already earn. ▶ 16:19
• Arbuthnot argues Teams Phone Mobile has moved slower than expected because carriers are adding three to six dollars on top of already high-end mobile contracts to recoup deployment costs, rather than playing the long game of bundling fixed and mobile minutes into one sticky proposition. ▶ 15:48
• Bring-your-own-meeting is a growing room requirement: users increasingly join WebEx, GoTo, Teams or Zoom calls from someone else's domain on their own PC and expect the meeting room to work regardless of platform. ▶ 13:45

Insights summarised by AI from the episode transcript, reviewed by the Empowering.Cloud team.

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