Connection Check Current: Checking... Useful for softphone setup, WireGuard access, and remote workflow troubleshooting.
DigiPBX by MD3 Communication Service, Inc.

PBX software for calls that need context.

Softphones, AI voice tools, secure remote access, and custom systems built around the records, tasks, and follow-up that happen after the phone rings.

Two Tracks

Products and Custom Systems are equal paths.

DigiPBX can move as product development or as a tailored workflow build when PBX, records, and follow-up need to meet in one working surface.

Custom System Example

RealtyCase Manager shows the custom workflow direction in a working browser app.

It is a concrete example of the DigiPBX custom-systems path: cases, contacts, documents, tasks, audit history, and the foundation for future caller-context workflows.

RealtyCase Manager contact and related cases screenshot
Contact, related cases, and relationship context
Products

Products for the software layer around PBX-aware work.

01
Internal testing MD3 internal product work
Android release path, Windows enterprise customization

MD3 Softphone

A SIP softphone in internal testing for business call handling, multi-line operation, transfer workflows, and future CRM-aware calling.

  • Android app planned for Google Play after development and testing
  • Windows .NET 8 / WPF softphone for customer-specific front desk and call center use
  • SIP registration and inbound/outbound calling workflows
View softphone direction
Development screenshots
MD3 Softphone Windows three-line active call surface screenshot
Windows multi-line call surface
MD3 Softphone Android transfer workflow screenshot
Android transfer flow
02
Live-call demo foundation MD3 internal AI voice work
Local-first live-call intake and handoff

AI Voice Agent

A Windows-first, local-first AI voice receptionist foundation for live Asterisk calls, bilingual intake, structured lead capture, short replies, and human transfer.

  • Whisper.net local transcription with adaptive Chinese, English, and mixed-language recognition
  • Live Asterisk 22 ARI, Stasis, externalMedia, and call-transcription path
  • Rule-based FAQ matching with company-profile replies and optional local LLM refinement
View AI voice direction
Live-call demo surface
AI Voice Agent local-first live-call reception demo screenshot
Local-first call intake, transfer readiness, and session review
03
Controlled deployment direction MD3 secure access tooling
WireGuard access management for private systems

WG Mini UI

A lightweight WireGuard management surface for private access to PBX consoles, softphone environments, internal dashboards, and workflow systems.

  • Create, review, enable, disable, and remove WireGuard peers from a focused browser interface
  • Generate client configuration files and mobile QR codes for managed onboarding
  • Support client-owned public key workflows for customers with stronger key-control preferences
View WG Mini UI direction
WireGuard access management
WG Mini UI peers overview and add peer panel screenshot
Peers + guided onboarding
WG Mini UI operations insights dashboard screenshot
Operations posture
WG Mini UI peer details lifecycle screenshot
Peer lifecycle
Custom Systems

Custom Systems make the phone system part of the operating workflow.

The larger DigiPBX direction is phone-aware workflow software: click-to-call, caller context, case records, AI intake, notes, tasks, and follow-up in one place.

Custom system operating view Caller context before, during, and after the call
PBX event Incoming call matched

Route, extension, caller ID, and queue state become usable application context.

Record context Case / CRM screen pop

The operator sees the right customer, property, open case, and last note.

AI assist Structured intake

Call details can be summarized into fields, notes, and routing decisions.

Outcome Tasks + history

Follow-up stays tied to the record instead of living in memory or a side note.

Ring Identify Capture Assign Review
MD3 Relationship

Built from field experience, then shaped into product systems.

MD3 Communication Service, Inc. works with real business phone and PBX environments. DigiPBX turns that practical experience into software, AI voice, and custom workflow systems.

Visit MD3 Communication Service, Inc. ↗
PBXlegacy and IP environments
Workflowoperators, records, and handoff needs
Supportreal sites, real downtime pressure
Journal

Technical notes for PBX-aware workflow software.

The Journal now publishes practical Markdown notes on screen pop, AI voice around SIP, and the workflow layer around business calls.

Custom Systems Published note

Why PBX screen pop still matters

The useful part of screen pop is not the pop-up itself. It is the record context, action surface, and follow-up loop that appear when the phone rings.

ReaderOwners and operators evaluating phone-aware CRM or case workflow WhyScreen pop is often treated as a small convenience. In record-heavy teams, it can be the point where the phone system finally starts carrying business context.
AI Voice Published note

What AI changes in PBX and SIP communication

AI does not replace SIP or the PBX. It changes the layer around the call: transcription, structured intake, caller context, human transfer, and workflow follow-up.

ReaderBusiness owners, PBX administrators, MSPs, and operators evaluating AI voice, SIP softphones, Asterisk workflows, or phone-aware CRM systems WhyAI voice is useful only when it is connected to the PBX media path, call context, and the business record where the result should land.
AI Voice Published note

What local-first AI voice means for business telephony

Local-first AI voice is not about avoiding cloud AI. It is about keeping call audio, transcription, structured intake, and human transfer close to the PBX unless there is a clear reason to send work elsewhere.

ReaderTeams considering AI call intake without handing every call to a cloud-only assistant WhyBusiness phone calls often contain sensitive, incomplete, and workflow-specific information. Local-first AI voice gives PBX teams a controlled way to transcribe, capture, answer, and transfer calls without turning every conversation into a cloud-only bot session.
Next Step

Talk with us about a PBX, AI voice, or custom workflow project.

Bring the phone system, the workflow problem, and the records that matter. DigiPBX can help shape the software layer between them.