Innovative communications
PortSIP VoIP SDK is designed to streamline the development of audio, video, and instant messaging apps. It supports screen sharing, file sharing, and the exchange of voice and video messages. Fully compatible with WebRTC, iOS, Android, Windows, and macOS.
License free
The PortSIP VoIP SDK is free when bundled with the PortSIP PBX license, allowing you to create unlimited apps at no additional cost. You can also purchase it separately to integrate with any third-party SIP server and build your own calling business.
Ready-to-use, shortest time-to-market
PortSIP VoIP SDK provides rich APIs along with sample projects, significantly reducing development, integration, and testing efforts.
Award-Winning develop tool
Many well-known companies, including Siemens, T-Mobile, HPE, Panasonic, Telstra, Dialogic, and others, trust PortSIP. They have been building their apps using the PortSIP VoIP SDK for years.
Create your modern communication app
- Ready-to-use and shortest Time-to-Market
- Voice and video call over IP and LTE/4G/5G
- Features screen sharing, file sharing, voice, and video messaging
- Instant messaging and presence capabilities
- Local HD video conferencing
- Supports iOS, Android, Windows, macOS, Linux, and WebRTC
- Standards-based and rigorously tested for interoperability
- No need for complex integrations or extensive VoIP expertise
Quickly launch apps and devices to market
PortSIP VoIP SDK accelerates the development, integration, and testing process for deploying video communication clients.
PortSIP VoIP SDK is a comprehensive SIP SDK that includes a sample application with source code, a full suite of APIs, and detailed documentation. It significantly reduces development time and effort, making it the top choice for app SDKs on the market.
License free
The PortSIP VoIP SDK is included for free with the PortSIP PBX license, allowing you to create unlimited apps at no additional cost.
Alternatively, you can purchase the SDK separately to integrate with any third-party SIP server and build your own calling business.
The license is royalty-free, meaning you can distribute your applications built with the SDK without paying additional fees. The buyer pays a one-time license fee, which grants the rights to develop and distribute unlimited applications to as many end-users as desired, without any royalties or ongoing license costs.
Key highlights of PortSIP VoIP SDK
License-free with PortSIP PBX
Proven operability with a wide range of customers
HD audio and video calls
Screen sharing and file sharing
Instant messaging and presence
Multi-party local audio and video meetings
Unified APIs for all platforms
Audio Codecs: G.711 A/U, G.722.1, G.722, AMR, AMR-WB, G.729, Opus
AMR and AMR-WB codecs: Compliant with RFC 4867
Video Codecs: H.264, VP8, VP9
Supports iOS, Android, macOS, Windows, WebRTC
Integrated CallKit for iOS
Available for .NET, Swift, Xamarin, Objective-C, C++, JavaScript
IMS Registration, Authentication, and Addressing
Dialog status monitoring
PRACK support
Security and Encryption: TLS/SRTP
VoLTE Voice and Video call establishment and termination
AEC, AGC, VAD, CNG, ANS
RTCP NACK for packet loss prevention
The trusted leader in unified communications