Missed-Call Text-Back Agent

Replaces a $42k Receptionist. Texts back every missed call in 60 seconds. No call lost.

The Problem

An SMB owner spends $42k/yr on a Front Desk Receptionist to answer the phone — but on weekends, lunches, and after 5pm, calls roll to voicemail and 38% of those callers never call back. The lost-revenue math is brutal — $80-300 per missed call for HVAC / dentist / chiropractor / auto detail.

The Outcome

Phone rings → not answered after 4 rings → Twilio webhook fires → agent sends a personalized SMS in 60 seconds ('Hey, it's [SMB name] — sorry we missed you, what can we help with?') → agent handles the SMS conversation, books the appointment, drops it on the calendar.

Day in the Life

Sat 10:14am: missed call from 801-555-1029 → agent SMS 'Sorry we missed you — Saturday afternoon work for an oil change?'

Sat 10:16am: customer SMS replies '2pm' → agent confirms slot, fires reminder for 1pm

Daily 5pm: digest 'You missed 4 calls — 3 booked via SMS, 1 marked spam'

Deploy Specs

Runtime

python

Pattern

api-shim

Tier

light

Setup Time

hours

Required Env Vars

ANTHROPIC_API_KEYTWILIO_ACCOUNT_SIDTWILIO_AUTH_TOKENTWILIO_PHONE_NUMBERGOOGLE_CALENDAR_OAUTH_TOKENCALCOM_API_KEY

Integrations

Twilio VoiceTwilio SMSGoogle CalendarCal.com

GitHub Source

Repository

twilio/twilio-python

Stars

2,056

License

MIT

Last Commit

2026-04-29

Replace

Front Desk Receptionist

$42,000/yr

AgentDepot

$299/month

Save $38,412/yr · 11.7x cheaper

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Also Replaces

×Numa $499/mo

×Podium Inbox $399/mo

×TextLine $59/seat/mo

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Bundles Well With

→ livekit-voice-receptionist → calcom-booking-coordinator → chatwoot-ticket-triage