Overview
Our product is not built on Asterisk or FreeSWITCH.
PortSIP PBX is a software-based VoIP PBX platform designed for business communications and collaboration. It is not built on Asterisk or FreeSWITCH.
PortSIP PBX supports both on-premises and cloud deployment models. It provides a complete Unified Communications solution that includes SIP PBX services, integrated Session Border Controller functionality, and the PortSIP ONE app. The platform supports audio and video calling, instant messaging and presence, rich text chat, Microsoft Teams Direct Routing, WebRTC, screen sharing, file sharing, picture messages, voice and video messages, and mobile push notifications.
PortSIP PBX also includes integrated contact center capabilities that help organizations manage demanding customer communication scenarios. The solution includes a built-in SBC for Microsoft Teams Direct Routing, video meetings, screen sharing, online meeting rooms, and collaboration features at no additional cost.
Large service providers that require a UCaaS platform designed to support more than 1 million users can contact PortSIP for information about PortSIP UCaaS.
Key Features
PortSIP PBX includes the following capabilities.
Platform and Deployment
Fully rebrandable platform
True multi-tenant architecture
Horizontally scalable cluster deployment for media servers, queue servers, meeting servers, IM servers, Data Flow servers, and IVR servers
Dealer management
Support for multiple System Administrators
Integrated Session Border Controller
Open REST APIs
Webhook support
Pub/Sub support
WebSocket-based subscription mechanism for pushing real-time events to subscribers
Free apps for iOS, Android, Windows, macOS, and WebRTC
Free client VoIP SDK
Security and Access Control
TLS support
SRTP support
Let’s Encrypt support
Third-party and private ACME provider support
Role-based permissions
Password policy
PIN policy
Two-Factor Authentication
Password reset
PIN verification for auto-provisioning
Anti-hacking protection
IP blacklist and whitelist
Number blacklist
Country-code-based call blocking
Calling and Collaboration
Audio calling
Video calling
Video meetings
Screen sharing for video calls
Screen sharing for meetings
Instant messaging and presence
Group chat
Rich messaging
Voice and video messages
File and picture sharing
Mobile push notifications
WebRTC
Synchronous status across apps and IP phones
Synchronous contacts across apps and IP phones
Synchronous CDR across apps
Call Routing and PBX Services
Service management for call settings
Centralized service configuration, including call forwarding and Do Not Disturb
Virtual Receptionist
Visual IVR editor
DISA
Ring Groups
Call queues
Call park
Call pickup
Call pickup groups
Call flip
Automatic callback
Voicemail and shared voicemail
Music on hold
Feature access codes
Speed Dial 8 and Speed Dial 100
Outbound caller ID
SIP header manipulation
Trunk management
Emergency number configuration
Time-Based and Presence-Based Routing
Time zone based routing
Multiple office hours
Holidays
Night mode for tenants
Night mode for Ring Groups, Queues, and IVRs
Call routing based on presence status
Call routing based on holidays and office hours
Advanced routing for specific dates and times
Office hours, holidays, and destination settings for each IVR DTMF input
Selective Call Rejection
Selective Call Acceptance
Contact Center
Contact center functionality
Contact center wallboard
Contact center supervisor tool
Agent activities
Skills-based routing
Queue callback
User activities
Call activities
Call reports
Recording, Storage, and AI
Audio call recording
Video call recording
Recording management
Private recording links that require authentication
Public recording links
AI transcription
Recording file storage in AWS S3
Recording file storage in Azure Blob Storage
Call recording notification prompt playback
Granular call recording controls
Messaging and Integrations
WhatsApp messaging integration
WhatsApp message templates
SMS/MMS
Address book and contact management
CRM integrations
Microsoft Teams Direct Routing
Microsoft 365 integrations
Google Workspace integrations
Single Sign-On
Billing
Email notifications at the system and tenant levels
HTML email notifications
Webhooks for pushing CDR and extension events
Provisioning and Device Management
Zero-touch auto-provisioning
DECT phone support
Custom phone templates
Custom notification templates
Hot desking
Deployment Architecture
PortSIP PBX supports both cloud and on-premises deployments. The platform can be deployed as a single-server system or scaled horizontally by adding dedicated servers for media processing, queues, meetings, instant messaging, Data Flow, and IVR services.
For larger environments, PortSIP PBX supports clustered deployment models to improve scalability and operational flexibility.
Design Architecture
PortSIP PBX is designed as a software-based Unified Communications and PBX platform. It combines core SIP PBX services with collaboration, contact center, messaging, recording, provisioning, reporting, and integration capabilities.
The platform is suitable for enterprises, service providers, and organizations that require a flexible PBX or UCaaS-ready communications solution.
Getting Help and Support Resources
For product documentation, troubleshooting information, and technical assistance, use the following PortSIP support resources:
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