Landing & Auth Flow
1
Call Forwarded to CallMind
Unanswered calls route automatically via carrier call forwarding — no app required
2
AI Voicemail Greeting Plays
Personalised TwiML greeting plays — voicemail recorded securely via Twilio
3
Transcription & AI Summary
Whisper AI transcribes audio; GPT-4o summarises caller intent and urgency
4
Intelligent SMS Reply Sent
Caller receives a context-aware SMS reply within seconds — automatically
14-day free trial included
Full access — no credit card required
Twilio integration ready
Connect your number in under 5 minutes
SOC 2 compliant storage
Voicemails and transcripts encrypted at rest
Dashboard Flow
47
Missed Calls Today
↓ +14%
38
Auto SMS Replies Sent
↑ +22%
11s
Avg AI Response Time
↑ -3s
Hourly Call Volume — Today
3:42
PM
+1 (415) 882-3341 — Sarah Chen
Voicemail: 'Calling about invoice #4821 for Project X…' — SMS reply sent | 96% confidence
2:19
PM
+1 (310) 556-7720 — Unknown
Voicemail: 'Need to reschedule Thursday appointment…' — SMS reply sent | 91% confidence
1:05
PM
+44 7700 900123 — International
No voicemail left — silent hang-up detected | No SMS sent
Transcription Accuracy
1,102 / 1,172 calls
SMS Delivery Rate
38 / 47 delivered
Webhook Success Rate
461 / 475 events
Weekly Call Volume
1,172
Total Calls This Week
↑ +18%
$0.042
Avg Cost Per Call (Twilio + AI)
↑ -8%
Call Log Flow
3:42
PM
+1 (415) 882-3341 — Sarah Chen
Duration: 0:42 | Transcribed | SMS sent | AI confidence: 96% | SID: CA9f3a...7b2c
2:19
PM
+1 (310) 556-7720 — Unknown
Duration: 1:12 | Transcribed | SMS sent | AI confidence: 91% | SID: CA2d8c...3f1a
1:05
PM
+44 7700 900123 — International
Duration: 0:03 | No voicemail | Hang-up pattern | No SMS sent | SID: CA5e7b...9a4d
11:33
AM
+1 (646) 200-8891 — Mike Torres
Duration: 2:01 | Transcribed | Pending manual review | AI confidence: 88%
9:58
AM
+1 (512) 334-1120 — Blocked
Flagged: 4th call in 2 hours | Spam filter active | No SMS — call blocked
3:42:01
PM
Call Received & Forwarded
Inbound to +1 (415) 555-0100 — forwarded via Twilio webhook POST /webhooks/twilio/voice
3:42:03
PM
TwiML Greeting Served
Voicemail greeting played — 8.2s — Record verb activated
3:42:48
PM
Recording Completed
42s MP3 captured — SID: RE9x3a...2f | POST /webhooks/twilio/recording → 200 OK 34ms
3:42:49
PM
Whisper Transcription Complete
'Hi, this is Sarah. Calling about invoice #4821 for Project X. Please call me back at your earliest convenience.'
3:42:52
PM
SMS Reply Sent via Twilio
'Hi Sarah! We received your voicemail about invoice #4821. We will review and call you back shortly. — CallMind AI'
Voicemail Center Flow
9
Unreviewed Voicemails
↓ +3 since 2:00 PM
3:42
PM
Sarah Chen — Invoice Query
'Calling about invoice #4821 for Project X…' | 0:42 | Transcribed | SMS sent | 96%
2:19
PM
Unknown — Appointment Request
'I need to reschedule our Thursday appointment…' | 1:12 | Transcribed | SMS sent | 91%
11:33
AM
Mike Torres — Support Urgent
'Getting 403 error since this morning, tried password reset twice…' | 2:01 | Pending review | 88%
10:17
AM
Dr. Patel — Patient Referral
'Regarding patient referral for John Smith, DOB 04/12…' | 0:58 | Flagged: sensitive content
9:02
AM
Delivery Co — Package ETA
'Your package will arrive 2–4 PM today, ref #DL44821…' | 0:28 | Auto-archived: low priority
Raw
Whisper AI Transcription
'Hi this is Mike Torres. I'm having trouble logging into the dashboard — getting a 403 Forbidden error since this morning. I've tried resetting my password twice. My account email is mike@acmecorp.com. Please call me back urgently.'
GPT
AI Summary & Intent Analysis
Caller: Mike Torres | Issue: 403 login failure | Account: mike@acmecorp.com | Attempts: 2x password reset | Urgency: High | Suggested action: Technical callback + account unlock
SMS Replies Flow
3:43
PM
To: +1 (415) 882-3341 — Delivered
'Hi Sarah! We received your voicemail about invoice #4821. We will review and call you back shortly.' | SID: SM9a2f...
2:20
PM
To: +1 (310) 556-7720 — Delivered
'Hi! We got your voicemail about rescheduling. We will be in touch to confirm a new time.' | SID: SM7c11...
11:34
AM
To: +1 (646) 200-8891 — Delivered
'Hi Mike! We received your message about the login issue. Our team is looking into it urgently.' | SID: SM2e44...
9:45
AM
To: +1 (917) 443-2201 — Failed
Error: 30003 Unreachable | Carrier block suspected | Retry scheduled in 10 min | Attempt 2 of 3
$0.0079
Avg SMS Cost via Twilio
↑ stable
SMS Sent Per Hour — Today
General Missed Call (Default)
'Hi {{first_name}}! We missed your call. We will get back to you as soon as possible. — {{business_name}}'
Invoice / Billing Query
'Hi {{first_name}}! We received your voicemail about {{invoice_ref}}. Our accounts team will follow up shortly.'
Appointment Reschedule
'Hi {{first_name}}! We got your message about rescheduling. We will confirm a new time within 24 hours.'
Technical Support
'Hi {{first_name}}! We received your technical query. A support engineer will contact you urgently.'
High Priority Escalation
'Hi {{first_name}}! Your message has been flagged urgent. We will call you back within 15 minutes.'
Webhook & System Flow
3:43
PM
recording-completed — RE9x3a...2f
POST /webhooks/twilio/recording | 200 OK | 34ms | Transcription pipeline triggered
3:42
PM
voice-status-callback — CA4f...88b
POST /webhooks/twilio/status | 200 OK | 8ms | CallStatus: completed | Duration: 42
3:42
PM
voice-inbound — CA4f...88b
POST /webhooks/twilio/voice | 200 OK | 12ms | TwiML response: Record verb served
2:20
PM
message-status — SM7c...11f
POST /webhooks/twilio/sms-status | 200 OK | 6ms | MessageStatus: delivered
1:47
PM
recording-completed — RE2d...71c
POST /webhooks/twilio/recording | 200 OK | 9ms | DUPLICATE BLOCKED — idempotency key matched, skipped
Twilio Voice API
All endpoints operational
Webhook Server
1 minor timeout — auto-recovered in 340ms
Whisper Transcription
OpenAI API — normal latency 1.2s avg
99.9%
System Uptime (30 days)
↑ stable
34ms
Avg Webhook Response Time
↑ -12ms
0
Active Incidents
↑ All systems clear
Settings Flow
Twilio Account SID
AC9f3a2b...7b2c — Connected and verified
Twilio Auth Token
••••••••••••••••3f8a — Last rotated 14 days ago
Twilio Phone Number
+1 (415) 555-0100 — Voice + SMS enabled
Webhook Base URL
https://api.callmind.io/webhooks/twilio — HTTPS verified
Transcription Engine
OpenAI Whisper v3 — large-v3 model | Avg latency: 1.2s
SMS Summarisation Model
GPT-4o — temperature 0.3 | Max tokens: 160
AI Confidence Threshold
Minimum 80% — below threshold: flag for manual review
Failed Webhook Retry Policy
3 retries | Exponential backoff: 5s, 30s, 5min
V1 Deliverables
Complete overview of confirmed features, deliverable items, and technical architecture for CallMind AI.