VaxVoIP SIP Phone SDK

VaxSoftCommunication & Messaging ToolsWindows DLLJava

Build customizable SIP softphones across multiple platforms.

  • Supports multiple SIP accounts and simultaneous multi-line calls.
  • Enables development for Windows, iOS, and Android devices from a single SDK.
  • Includes features like SIP call controls, video conferencing, and advanced audio enhancements.
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Build SIP (Session Initiation Protocol) based VoIP softphones with ease.
VaxVoIP SIP Phone SDK provides a comprehensive software development kit for creating SIP-based VoIP softphones with custom user interfaces. It supports cross-platform development for Windows, iOS, and Android, facilitating call handling, conferencing, messaging, and multimedia features. Developers gain access to advanced audio processing, call management functions, and sample code to accelerate softphone creation and integration.

Cross-Platform SIP Softphone Development

Develop SIP softphone applications compatible with Windows, Android, and iOS devices using a single flexible SDK, enabling consistent features across desktops and mobile devices.

Multiple SIP Account Support

Create softphones that can add and manage multiple SIP accounts, allowing users to handle several VoIP identities within a single application.

Call Management Features

Implement essential call functions including dialing, receiving, call hold, transfer, forwarding, and multi-line support to handle several simultaneous calls effectively.

Audio and Video Capabilities

Leverage support for popular audio codecs like G.711, GSM, iLBC, and G.729, as well as enable SIP-based video conferencing features for rich multimedia communication.

Instant Messaging and Presence

Integrate SIP SIMPLE protocol support to enable SIP-based instant messaging and user presence status indicators such as online, offline, away, or on call.

Advanced Audio Processing

Benefit from acoustic echo cancellation, automatic gain control, adaptive jitter buffer, and packet loss concealment to maintain clear and stable voice communication under varying network conditions.

Recording and Playback Features

Incorporate capabilities to record phone conversations as WAV files and play audio files during active SIP calls for message delivery or prompts.

Network Adaptations and Voice Effects

Use keep-alive packets to maintain NAT/firewall traversal, and include voice changer functions for real-time voice transformation effects.

Automated Dialing and Call Handling

Develop auto dialers with intelligent answering machine detection and implement do not disturb modes to control call reception as needed.

Product Compatibility

Review the details below to ensure this product is supported within your environment.

Component Type

  • Java
  • Windows DLL

Java Platform

  • Android Library