VoIP SDK, SIP SDK, Softphone SDK, VoIP PBX, SIP PBX, IP PBX, WebRTC Gateway | portsip.com
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WebRTC Gateway

WebRTC Gateway

A bridge between web browser and VoIP.  Simple, effective, real-time click-to-call capabilities for your web applications.


VoIP PBX System

The software based Multi-Tenant VoIP PBX system for Unified Communications. It’s Designed for cloud and cluster.

VoIP SDK, SIP SDK, Softphone SDK


PortSIP VoIP SDK is designed for developing HD audio, video enabled Apps, accelerate and simplify the development on Multi-Platforms.

Companies across the globe rely on PortSIP VoIP PBX, VoIP SDK, Softphone to power 200 million connections every day so they can connect the world

Software VoIP PBX with Multi-Tenant, Not from Open Source

PortSIP PBX is a software based, Multi-Tenant VoIP PBX system that offers complete Unified Communications features, it’s totally developed by PortSIP, not forks from open source VoIP PBX.


  • Not from Open Source, independent research and development
  • Easier installation and configuration
  • Multi-Tenant VoIP PBX, design for cloud
  • Inbuilt MCU offers 1080P video conference for free
  • Scalable and high availability
  • Complete solution for Unified Communications
  • Seamless integration: Full REST API and VoIP SDK provided
  • WebRTC offers click-to-call
  • Professional and realtime support than open source
  • VoIP PBX license include rebranding softphone for free and VoIP SDK
VoIP SDK, SIP SDK, Softphone SDK

VoIP SDK: Accelerate and simplify the development

PortSIP VoIP SDK is a cross-platform SIP SDK for develop the unified communications client, designed for APP developers, system integrators, chipset vendors, device manufacturers and service providers looking to accelerate development of IP-based voice and video over IP and LTE (VoLTE and ViLTE) for mission-critical Apps with  short time to market.


  • Ready-to-use VoIP SDK
  • Support iOS, Android, macOS, Linux and Windows
  • Works smooth with any VoIP PBX
  • Voice and Video: Calls over IP and LTE
  • Instant Messaging and Chat, Presence
  • HD audio and video call, up to 1080P
  • Multiparty HD Audio and Video conference, no MCU required
  • Shortest Time to Market
  • Interoperability:  standard based and rigorously tested for interoperability

PortGo Softphone Client for iOS, Android, Windows and macOS

PortGo SIP Phone is a unified communications client which built base on PortSIP VoIP SDK, provides enterprises and personal with a seamless communications experience across any device, network or platform.


  • Support iOS, Android, Windows and macOS
  • Built base on PortSIP Softphone SDK
  • Multi-part HD audio, video conference
  • Secure, mobile connectivity to your enterprise with PortGo
  • Rebranding:  Add your own look and modify default settings with PortGo
  • Customization: Deliver a custom solution that satisfies your communications requirements
  • Compatibles with any SIP standards VoIP PBX
PortGo Softphone

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