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

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


Accelerate growth and transform business with complete, integrated solution: a Software based Multi-Tenant IP PBX Phone system.


A complete VoIP SDK for developing HD audio, video-enabled Apps, accelerate and simplify the development on Multi-Platform.

Companies across the globe rely on PortSIP to power 200 million connections every day so they can connect the world

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

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


  • Not from Open Source, independent research and development
  • Easier installation and configuration
  • Multi-Tenant IP PBX
  • Inbuilt MCU offers 1080P video conference
  • Scalable and high availability
  • Complete solution
  • Seamless integration: Full REST API and VoIP SDK provided
  • WebRTC offers click-to-call
  • Professional and realtime support than open source

VoIP SDK: Accelerate and simplify the development

PortSIP VoIP SDK is a cross-platform client SDK, 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, Multi-platform Client SDK
  • Works smooth with any IP 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 Softphone provides enterprises and personal with a seamless communications experience across any device, network or platform.


  • Multipart 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

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