Software based, Multi-tenant VoIP PBX, On-premise or in the Cloud.


Since PortSIP makes installation, management and utilization of VoIP PBX in an easy way that you can effortlessly manage it yourself on Linux or Windows. Commercial support of SIP PBX is provided so that your problems are solved in the minutes.

All-In-One Unified Communications

Software based Unified Communication solution integrates SIP PBX (VoIP PBX), VoIP SDK and Mobile apps to offer WebRTC, Audio, video, conferencing, Presence, Instant Message, Voice Mail and Mobile PUSH  notifications features.

A Complete, Powerful, Unified Communications Solution

PortSIP is a software-based SIP PBX that offers complete Unified Communications, audio, video, Instant Messaging, WebRTC, Mobile PUSH all in one.

Easy Installation and Management

First of all, PortSIP PBX aims to provide Easy Installation and Management VoIP PBX system for Unified Communications. It doesn’t require extensive telecom knowledge or training, which can be easily installed and managed by newbies.
  • Follow the wizard with a few clicks to setup VoIP PBX
  • Configuration templates for supported IP Phones, SIP Trunks
  • Support Linux and Windows
  • Video call recording
  • Easy backup and redundancy to boot with Hyper-V or VMware
PortSIP PBX in cloud

Multi-tenant, Cloud-ready SIP PBX

Most of all, PortSIP PBX offers true multi-tenant capabilities, which allow service providers to work on a single infrastructure. Individual tenants are divided by virtual partitions, each of which stores all of the individual tenant’s data, configurations and customized settings. Despite the centralized control for all tenants and extensions, each tenant still has independent control of configurations and settings as if it was hosted on a single dedicated server for VoIP PBX.

Mobility with PUSH notification

Especially PortSIP PBX support PUSHs notification, which allows you do not need to keep the client app in mobile phone background and reduce battery consumption.
  • Mobile PUSH notification for call and messaging
  • Answer call from mobile or IP Phone or Windows Softphone
  • Take your office extension with you anywhere.
PortSIP PBX integration

Seamless integration

Because PortSIP PBX provides rich REST APIs, which allows to manage the VoIP PBX from any programming languages. It’s a flexible way to provide different kinds of applications with data formatted in a standard way.
  • Full REST APIs provided
  • Easy to integrate with your currently used ERP or CRM system
  • Meet integration requirements that are critical to building systems
  • Data can be easily combined

Top Reasons For Choosing PortSIP VoIP PBX

Not forked from open source PBX

PortSIP PBX is developed by PortSIP team, instead of being forked from any open source VoIP PBX, which ensures much better performance and features.

Professional and realtime support

PortSIP is able to provides professional and real-time support, since the SIP PBX is developed by our own team, without dependencies on other third-party services.


PortSIP provides customization services that allow users to add new features according to their requirements, by which user could have unique VoIP PBX as to facilitate their business.

Video conferencing

PortSIP PBX has built-in MCU, the SIP standards video conferencing and collaboration solution that transforms your communications, increases productivity, slashes travel expenses, boosts customer service and propels sales!

Client SDK and Mobile App

PortSIP also provides the client VoIP SDK and Mobile App, offers customization and rebranding service with nonrecurring PortSIP PBX license charge.

WebRTC Gateway

Since PortSIP PBX integrates WebRTC Gateway, which allows you to make & receive calls or join video conference from web browser without the need to download any plugins, so as to bridges the communications between Internet and SIP.