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Glossary
Volume

Channel Mix

— Definition —

Channel Mix describes the distribution of support contacts across communication channels — email, live chat, phone, in-app messenger, community forums, and self-service. It is both a descriptive metric (how customers prefer to contact you today) and a strategic lever (teams can actively shift the mix by adjusting channel prominence or availability). Shifting contacts from higher-cost channels (phone) to lower-cost channels (email, self-service) is one of the primary cost-reduction levers in support operations.

— Formula —

Channel Share = (Tickets received via channel X ÷ Total tickets received) × 100, tracked per channel

Track as a percentage distribution that sums to 100%. For cost analysis, combine channel share with per-channel AHT and per-channel CSAT to calculate the quality and cost implications of mix shifts.

— Benchmark ranges —

B2B SaaS trend direction (not a fixed target)

Email / in-app (dominant)60–75% of total volume
Live chat (growing)15–30% of total volume
Phone (declining)Below 15%
Self-service (target)Maximizing deflection %
— Calculator —

Calculate a single channel's share

Channel share42.0%
— Common mistakes —
  • 1Measuring channel mix without per-channel cost — high chat percentage may look efficient until you calculate that chat conversations take 3× longer than email for the same issue type.
  • 2Pushing customers toward cheaper channels without investing in self-service quality — customers who can't find answers still need to contact you, just via a more expensive channel.
  • 3Not tracking channel mix by customer segment — enterprise customers may prefer phone regardless of your preference; forcing them to email creates friction.
  • 4Conflating channel mix shifts with demand reduction — moving contacts from phone to email doesn't reduce volume; it shifts where it lands.

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