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Why the desk phone stopped working, why mobile is the only reliable channel, and how to make verified mobile your default.

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Mobile vs Landline B2B 2026 report by Derrick

What this guide contains

  • Why the desk phone stopped working (remote/hybrid)
  • Why mobile is the only reliable voice channel
  • The connect-rate reality (channel, not script)
  • How to prioritize verified mobile in your data

What you'll learn

  • Why accuracy and reachability came apart
  • Why mobile coverage predicts connect rate
  • Why senior buyers are mobile-first
  • How to verify mobile at the moment of the call

Who it's for

  • SDRs and AEs doing outbound calling
  • Sales leaders auditing connect rate
  • RevOps measuring mobile coverage
  • Anyone dialing office numbers in a hybrid world