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Calisto Inbox

Calisto Inbox.

Omnichannel conversation operations. A unified messaging queue spanning SMS, WhatsApp, Instagram, Messenger, TikTok, OTA platforms, voice, and website chat. Routing rules, SLA enforcement, escalation paths, suggested replies, workflow automation, and broadcast delivery. In one conversation interface.

8 Native Channels · 6 Inbound Sources · 3 Assignment Modes · 16 Admin Surfaces · 3 Access Tiers

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native channel integrations (SMS, WhatsApp, Instagram, Messenger, TikTok, OTA, Voice, Chat)

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conversation operations surfaces

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inbound sources (forms, chatbot, social, voicemail, signal, reviews)

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access tiers (personal, staff, manager)

Omnichannel Matrix

8 native channel integrations. 6 inbound sources. One routing topology. Per-channel routes at /channels/[channelKey] with subscription gate.

Booking Platforms

Airbnb, Booking.com, VRBO, Expedia. Messages with full reservation context injection

AirbnbBooking.comVRBOExpedia

Delivery Platforms

UberEats, DoorDash, Rappi, Glovo, Deliveroo, +6 more. Order messages in unified queue

UberEatsDoorDashRappi+8

WhatsApp Business

Business API with template messages, media support, and webhook-driven inbound

TemplatesMediaWebhook

SMS

Two-way threaded per contact with delivery tracking and opt-out management

Two-wayDelivery tracking

Social Channels

Instagram DM, Facebook Messenger, TikTok. Native API integrations per platform

InstagramMessengerTikTok

Voice & Chat

Voicemail transcriptions, website chat widget, and chatbot handoff routing

VoicemailChat WidgetChatbot

Channel Registry

Complete inventory of supported channels and inbound sources. Each channel renders as a per-route view at /inbox/channels/[channelKey].

Messaging Apps

WhatsApp Business, SMS two-way threading, and MMS/RCS support.

WhatsApp Business, SMS, MMS, RCS

4

Social DMs

Native platform APIs for Instagram DM, Facebook Messenger, and TikTok.

Instagram, Messenger, TikTok

3

Booking Platforms

Guest inquiries with full reservation context injection per thread.

Airbnb, Booking.com, VRBO, Expedia

4

Delivery Platforms

Order messages routed to unified queue with platform-native reply capability.

UberEats, DoorDash, Rappi, Glovo, +7

11+

Voice & Voicemail

Voicemail transcriptions and missed-call notifications inline in threads.

Voicemail, Missed Call, Signal

3

Digital Inbound

Website chat widget, chatbot handoffs, contact forms, and review responses.

Chat Widget, Chatbot, Forms, Reviews

4
The Conversation Queue

Every channel. One queue. One contact record.

Inbound messages from WhatsApp, SMS, Instagram, OTA platforms, voicemail transcriptions, chatbot handoffs, and review responses. All resolve to a single Contact record and render in a unified conversation timeline.

CONVERSATION OPERATIONS

The multi-tenant conversation interface.

Split-pane layout: conversation list, active chat panel, and contact sidebar. Batch actions, advanced filtering by channel, status, or assignee, and keyboard-driven navigation. Works as a 1-to-1 messenger or a multi-department routing system.

Thread State Machine

Unified conversation state tracking across all channels with real-time sync.

  • Open/Pending/Closed states per thread
  • Custom tags and categories
  • Closing notes and conversation summaries
  • Real-time sync across team members
  • Snooze with date/time picker
  • Full-text search with multi-dimension filters
  • Read receipts and delivery status
  • Bulk actions: close, assign, tag, snooze

Routing & Assignment

Intelligent assignment with three modes and presence-aware distribution.

  • Round-robin assignment
  • Load-balanced distribution
  • Skill-based routing
  • Presence indicators per agent
  • Internal notes and threads
  • Agent picker modal
  • Contact merge for duplicates
  • External/Internal audience split

Broadcast Engine

Multi-channel campaign delivery with audience segmentation and scheduling.

  • Send to audience segments
  • SMS, WhatsApp, and campaign email delivery
  • Schedule delivery with time picker
  • Preview before sending
  • Open and click tracking
  • Audience builder with filter conditions
  • Template library per channel
  • Scheduled message queue
ROUTING RULES

Three assignment modes. Condition-based routing.

MessagingRoutingRulesClient at /inbox/messaging/routing. Manager-area surface for configuring how inbound conversations are distributed across the team.

Round-Robin

Sequential assignment across available agents. Even distribution regardless of current load.

Load-Balanced

Weighted assignment based on current open conversation count per agent. Presence-aware.

Skill-Based

Routes to agents matching required skills: language, channel expertise, VIP handling, product knowledge.

Rule Conditions

  • Channel type (WhatsApp, SMS, Instagram, etc.)
  • Message content keywords
  • Contact tags and segments
  • Business hours and time zones
  • Agent availability and presence
  • Conversation priority level
SLA POLICIES

Response targets. Breach escalation. Live tracking.

MessagingSlaClient at /inbox/messaging/sla. Manager-area surface for defining service-level agreements with automatic enforcement and breach notification.

Policy Builder

Define first-response and resolution-time targets per priority level, channel, or contact segment. Multiple policies with priority ordering.

Real-Time Tracking

Live countdown timers on conversations approaching breach. Color-coded status indicators: green (on track), amber (warning), red (breached).

Breach Escalation

Automatic escalation when SLA breaches occur. Configurable escalation paths: reassign, notify manager, trigger workflow, or flag for AI alert.

ESCALATIONS

Multi-level escalation paths. Automatic triggers.

EscalationsClient at /inbox/messaging/escalations. Staff-area surface for managing conversations that exceed agent authority or breach SLA thresholds.

  • Configurable escalation thresholds per priority and channel
  • Multi-level escalation paths (L1 → L2 → Manager)
  • SLA breach triggers automatic escalation
  • AI sentiment detection triggers (negative shift, frustration keywords)
  • VIP contact auto-escalation based on contact tags
  • Escalation queue with dedicated view for supervisors
  • Escalation notes and resolution tracking
  • Metrics: escalation rate, time-to-resolve, re-escalation frequency
The Intelligence Layer

Knowledge base. AI replies. Alert rules. Automated.

Suggested replies generated from knowledge base articles, contact history, and conversation context. AI alert rules flag sentiment shifts, VIP messages, and SLA breaches before they escalate.

INTELLIGENCE LAYER

Knowledge base. AI replies. Alert rules.

Three intelligent surfaces that work together: a knowledge base trains the suggestion engine, which generates replies, while alert rules monitor conversation patterns for anomalies.

Knowledge Base

TrainingKnowledgeBaseClient at /inbox/messaging/knowledge-base. Article repository used by AI to generate context-aware reply suggestions.

  • Article creation with rich text editor
  • Category and tag organization
  • Search-indexed for AI retrieval
  • Version history per article
  • Linked to suggested-reply generation pipeline

Suggested Replies

MessagingSuggestedRepliesClient. Generates reply candidates from knowledge base articles, contact history, and conversation context.

  • Surfaces on thread open within 200ms
  • Draws from knowledge base and historical patterns
  • One-click insert into compose field
  • Context-aware: adapts to channel and contact segment
  • Configurable tone and formality per account

AI Alert Rules

AIAlertRulesClient at /inbox/messaging/ai-alerts. Configurable rules that flag conversations matching sentiment, keyword, or behavioral patterns.

  • Sentiment shift detection (positive → negative)
  • Keyword and phrase matching across channels
  • VIP message flagging based on contact record
  • SLA breach pre-warning alerts
  • Custom rule builder with condition logic
WORKFLOW AUTOMATION

Trigger-condition-action. Visual editor.

MessagingWorkflowsClient at /inbox/messaging/workflows. Manager-area surface for building automation flows that execute on conversation events.

Visual Workflow Editor

WorkflowEditorClient at /inbox/messaging/workflows/[id]. Drag-and-drop trigger-condition-action builder with conditional branching and parallel paths.

Conversation Triggers

New message inbound, conversation opened, SLA approaching, tag applied, contact segment match, scheduled time, or manual invocation.

Automation Actions

Assign agent, apply tag, send template, move to queue, trigger webhook, update contact field, schedule follow-up, close conversation.

BROADCASTS & AUDIENCES

Segment. Template. Deliver.

Three surfaces that compose the outbound campaign system: audience segmentation, template library, and multi-channel broadcast delivery with tracking.

Broadcast Engine

BroadcastsClient at /inbox/messaging/broadcasts. Multi-channel campaign delivery to segmented audiences.

  • SMS, WhatsApp, and campaign email delivery
  • Schedule delivery with date/time picker
  • Preview before sending per channel
  • Open and click tracking per recipient
  • Template selection per channel type
  • Delivery status monitoring

Audience Builder

AudienceBuilderClient at /inbox/messaging/audiences. Filter-based segment creation with composable conditions.

  • Filter by contact tags, channel, location
  • Filter by last activity date and frequency
  • Filter by conversation history and outcomes
  • Composable AND/OR condition groups
  • Real-time audience size preview
  • Reusable saved segments

Template Library

MessagingEmailClient at /inbox/messaging/templates. Per-channel template management with merge fields.

  • WhatsApp-approved template submissions
  • SMS templates with character counting
  • Campaign email templates with HTML editor
  • Merge fields from Contact record
  • Category tagging (confirmation, follow-up, reminder)
  • Version history and approval status
ANALYTICS & CSAT

Response time. Resolution. Satisfaction. Channel volume.

AnalyticsClient at /inbox/messaging/analytics. Manager-area dashboard with four metric dimensions covering agent performance, operational efficiency, and customer satisfaction.

Response Metrics

First-response time, average response time, and response-time distribution by hour, agent, and channel.

Resolution Metrics

Time-to-resolution, resolution rate, re-open rate, and conversations-per-agent with SLA compliance percentage.

Volume & Channel Breakdown

Inbound volume per channel, peak hours, conversation creation rate, and channel mix over time.

CSAT & Satisfaction

CsatSettingsClient at /inbox/messaging/csat. Three scale types (1–5 stars, thumbs up/down, emoji). Auto-send on conversation close. Score trends per agent and channel.

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native channels unified in one queue

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assignment modes (round-robin, load-balanced, skill-based)

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admin surfaces for conversation operations

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Calisto product interconnects

The Contextual Injection Layer

Every message anchored to a record.

Every inbound message resolves to a Contact record. On thread open, the sidebar renders: contact profile, booking history with reservation context, active deal stages with pipeline position, and the full interaction timeline across all channels.

PLATFORM INTERCONNECTS

13 Calisto products. One contact record.

Every conversation message resolves to a Contact record shared across the platform. On thread open, the sidebar renders profile fields, booking history, deal stage, and full interaction timeline.

Contacts

Every message anchored to a Contact record. Profile, booking history, deals visible in sidebar on thread open.

Inbound Message → Contact Match → Sidebar Injection → Thread

Ops

Messages requiring action convert to Ops tasks with one click. Booking confirmations route through conversation queue.

Guest Request → Ops Task → Assignment → Resolution

Voice

Voicemail transcriptions and call logs appear inline. Cross-channel context stays in one thread.

Missed Call → Transcription → Thread Injection → Follow-up

Navigator

Guest/employee portal chat routes to Inbox queue. Portal responses rendered in conversation interface.

Portal Chat → Inbox Queue → Agent Response → Portal

Deals

Workflow triggers on deal stage changes. Templates reference deal value via merge fields.

Deal Stage Change → Trigger → Template Send → Activity Log

Studio

Booking confirmations, reminders, and follow-ups delivered through conversation channels.

Booking Created → Template Triggered → Channel Delivery → Thread

The Architecture Comparison
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Fragmented channels vs. unified queue

The Old Way
Separate SMS gateway (carrier app or DIDWW console)
Separate WhatsApp Business app
Separate Airbnb messaging tab
Separate Booking.com extranet inbox
Separate social media DM management per platform
No shared thread history across channels
No contact record linkage between messaging tools
No team assignment or intelligent routing
No SLA tracking or enforcement across channels
No unified analytics across messaging channels
Per-seat fees multiplied across every tool
The Calisto Way
SMS with two-way threading per contact: native
WhatsApp Business with templates and media: native
Airbnb messages with full reservation context: native
Booking.com messages with booking injection: native
Instagram, Messenger, TikTok DMs: native
Thread-stitching across all channels per Contact record
Contact-first design with sidebar injection on every thread
Round-robin, load-balanced, and skill-based routing
SLA policies with breach escalation and live tracking
Unified analytics: response time, resolution, channel volume
Included in Calisto Pro. Unlimited agent seats.
Pricing

Free unified inbox. Pro from 2% of revenue.

2 high-performance engines, 10+ native channel integrations, enterprise email with custom domains, thread-stitching technology, team routing, AI drafting, and 24/7 human backup at $1/day. Core inbox free forever.

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Calisto Core
$0/month
+ 2% of revenue
CommitmentNone
UsersUnlimited
Products15 included
Best for: Hotels, venues, and service businesses replacing Gmail, Outlook, and Respond.io with one unified communications engine.
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TECHNICAL SPECIFICATIONS

The raw specification table.

Complete technical specification for Calisto Inbox omnichannel conversation operations.

Channels

Native Channel Integrations8 (WhatsApp, SMS, Instagram, Messenger, TikTok, OTA, Voice, Website Chat)
Booking Platform Channels4 (Airbnb, Booking.com, VRBO, Expedia)
Delivery Platform Channels11+ (UberEats, DoorDash, Rappi, Glovo, Deliveroo, Just Eat, Wolt, Bolt Food, Zomato, Grubhub, +more)
Inbound Sources6 (forms, chatbot, social, voicemail, signal, reviews)
Audience Views2 (External customer-facing, Internal team)
Per-Channel Routes/inbox/channels/[channelKey] with subscription gate

Conversation Operations

Thread States3 (Open, Pending, Closed)
Assignment Modes3 (Round-robin, Load-balanced, Skill-based)
Access Tiers3 (Personal, Staff, Manager)
Admin Surfaces16 routes in /inbox/messaging/
SLA Policy TypesFirst-response and resolution-time per priority
Escalation LevelsMulti-level (L1 → L2 → Manager)
CSAT Scale Types3 (1–5 stars, Thumbs up/down, Emoji)
Data ArchitectureSingle Contact record per thread across all channels

Intelligence

Suggested RepliesGenerated from knowledge base, contact history, and conversation context
AI Alert RulesSentiment shift, keyword match, VIP flag, SLA pre-warning
Workflow EngineTrigger-condition-action with conditional branching and parallel paths
Broadcast EngineMulti-channel delivery (SMS, WhatsApp, campaign email) with audience segmentation
Audience BuilderComposable filter conditions with real-time size preview
Template LibraryPer-channel templates with merge fields and approval status

Platform

Product Interconnects13 Calisto products (Contacts, Ops, Voice, Studio, Deals, Navigator, Events, Live, Sign, Access, Sites, Purview, Pulse)
Booking Context InjectionFull reservation data (check-in, property, rate, guest history) per thread
Delivery Platform RoutingOrder messages routed to unified queue with platform-native replies
Subscription GateChannelsGate reads /api/inbox/channels/subscription (pricing-ignorant)
EncryptionTLS in transit, encrypted at rest
Thread History100% immutable per Contact record

Inbox

Unified messaging inbox across 8 channels.

$1/mo

Part of Work Suite

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