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03Capabilities

The directory.

What the platform does today, filed the way a switchboard would file it. Every entry is implemented and verified on the running system.

  • Extension 101

    Extensions & directory

    Every desk, every person, one directory.

    • Extensions and extension groups
    • SIP registration with per-extension IP allowlists
    • BLF function keys and speed-dial codes
    • Do-not-disturb and call forwarding feature codes
    • Shared phonebook

  • Extension 102

    Trunks & routing

    Decide where every call goes — before it rings.

    • SIP trunks by registration or IP authentication, with live status
    • Inbound routing by DID and caller ID
    • Outbound dial patterns, digit rewriting and trunk hunting
    • Business hours, holidays and day/night override
    • A route simulator that dry-runs a call without touching live state

  • Extension 103

    Call handling

    The parts of a phone system people actually hear.

    • IVR menus with nested navigation
    • Ring groups and call queues with live statistics
    • PIN-protected conferences
    • Call parking, pickup, intercom and paging
    • Music on hold and custom feature codes

  • Extension 104

    Voicemail & fax

    Nothing is lost when nobody answers.

    • Voicemail boxes with PIN retrieval and brute-force lockout
    • Voicemail-to-email notification
    • Fax reception delivered by email as PDF, and document sending

  • Extension 105

    Devices

    Phones that configure themselves.

    • Yealink auto-provisioning with versioned, editable templates
    • Mobile softphone provisioning by QR code

  • Extension 106

    Monitoring & records

    See the line as it is, right now.

    • Active calls, with hangup and park from the browser
    • Registrations, SIP profile status and system health
    • Call detail records and call recording
    • Audit log with a full read interface

  • Extension 107

    Security

    Built for a phone system that faces the internet.

    • Argon2id passwords, TOTP two-factor and login rate limiting
    • Role-based access with server-side permission checks
    • Inbound and outbound GeoIP country restrictions
    • Toll-fraud guards: international barring, call duration limits, outbound PINs

  • Extension 108

    Operations

    Install it, update it, recover it.

    • Docker Compose deployment
    • Debian-based appliance installer with signed, versioned updates
    • Host-level backup and restore