parameter,segment,low,high,unit,basis,year Inbound calls per month,Input,,,calls,Client-supplied from the phone system report,2026 Average first-job or first-visit value (T),Input,,,local currency,Client-supplied from invoicing or the practice system,2026 Answer rate business hours (A),Rate,80,80,%,Planning default; replaced by the phone system's answered-to-offered ratio,2026 Answer rate after-hours with no live coverage (A),Rate,0,0,%,Definition: no person answers,2026 New-inquiry share of inbound calls (N),Rate,40,40,%,Planning default; measured per client in the first-party edition,2026 Callback recovery rate (R),Rate,30,30,%,"Planning default: share of missed new inquiries reached by callback, or who call back, and still book",2026 Close rate on answered new inquiries (K),Rate,50,50,%,Planning default; segment values arrive with the first-party dataset,2026 Human answering service plan (50 to 500 minutes),Cost of cover,235,1095,USD per month,"OnceHub, September 2026",2026 AI receptionist flat plan,Cost of cover,25,300,USD per month,"AIRA, NextPhone",2026 In-house receptionist median pay,Cost of cover,38010,38010,USD per year,"US Bureau of Labor Statistics, May 2025",2025 Dedicated AssistBPO receptionist,Cost of cover,,,,No published rate card; custom staffing plan within 1 business day,2026