ShelCron

VoIP & Telecom

PBX Systems

Business PBX deployments with extensions, queues, IVR, recordings, and softphone readiness.

We implement business phone systems—on-prem or cloud-hosted—that your team can actually operate. Typical scope covers numbering plans, extensions, queues, IVR, call recording policy, and CRM click-to-dial hooks, with training so admins are not stuck guessing after go-live.

From $4,499

Who it’s for

  • SMBs modernizing legacy phone systems
  • Enterprises standardizing departmental telephony
  • Remote-first teams needing reliable softphones

Problems we address

  • Legacy PBX is expensive to change and poorly understood
  • Queues and IVR frustrate callers instead of routing them well
  • Remote workers struggle with softphone reliability

Expected outcomes

  • Clear numbering plan and extension strategy
  • IVR and queue design matched to how people actually call
  • Trunk, softphone, and recording baselines ready for daily use

Capabilities

Concrete engineering capabilities included in a typical engagement for this service.

PBX design and deployment

Extension, ring group, and queue configuration

IVR and business-hours routing

Recording and retention policy setup

CRM and softphone integration support

Technology

Representative technologies used for this service. Final stack depends on your estate.

  • Asterisk
  • FreePBX
  • FusionPBX
  • FreeSWITCH
  • 3CX
  • SIP trunks
  • WebRTC softphones

Architecture

Voice signalling path

Users and carriers meet through SBC, SIP proxy, and media services.

UsersAgentsSBCSIP ProxyMedia ServerCarrier

Deliverables

  • Production PBX configuration as scoped
  • Numbering plan and admin guide
  • User/admin training session
  • Backup and restore notes
  • Trunk health checklist

Out of scope

  • Carrier contract negotiation
  • Handset hardware sales

Timeline

Typical timeline

1–4 weeks

Timeline depends on scope, access, and dependencies—not a delivery guarantee.

Process

A clear delivery path from discovery through handover and optional support.

  1. 01

    Discovery

    Goals, constraints, success criteria, and current-state review.

  2. 02

    Architecture

    Target design, interfaces, risks, and delivery sequence.

  3. 03

    Implementation

    Incremental build with visible progress and documented decisions.

  4. 04

    Testing

    Functional checks, failure paths, and acceptance criteria validation.

  5. 05

    Deployment

    Controlled release to staging and production with rollback paths.

  6. 06

    Handover

    Runbooks, access notes, and operator/admin walkthrough.

  7. 07

    Support

    Optional hypercare window or retainer continuity after go-live.

Packages

Scoped offerings you can add to cart, or request a quote when the fit is custom.

Compare packages

Business PBX

Up to 50 extensions, queues, IVR, and remote softphones.

Popular

$4,499

  • Up to 50 extensions
  • Queues and IVR baseline
  • Remote softphone readiness
  • Admin training and handover docs

FAQ

We recommend based on your compliance needs, IT capacity, and whether you want to own the hosts. Both models are in scope.

Ready to build?

Tell us about your environment, constraints, and target outcomes. We’ll recommend a package or a scoped quote.