VaxVoIP iOS SIP Phone SDK Accelerates Softphone Development
Download easy-to-understand sample code to speed up development and simplify SIP integration. The SDK shortens the learning curve and helps you quickly create professional-grade VoIP softphone applications.
Suported Features
Works with Any SIP Based VoIP Server
VaxVoIP softphones are fully compatible with all SIP-based servers.
Secure Communication with TLS and SRTP
Ensure privacy and data protection with built-in support for TLS and SRTP encryption.
Multiple SIP Account Support
Easily add, manage, and use multiple SIP accounts within a single softphone application.
Make and Receive Calls
Efficiently place and receive SIP-based VoIP calls with any SIP server, gateway, or IP Telephony Service Provider (ITSP).
Multi-Line Support
Handle multiple simultaneous calls with the SDK's integrated multi-line capability.
Multi-User Audio Conference
Initiate or accept multiple calls to start user-side audio conferences directly from the softphone.
Video Conferencing
Enable SIP-based video conferencing with built-in functions.
Voice Changer
Transform your voice in real time with built-in effects, including robot, chipmunk, teen boy, and helium voices.
Busy Lamp Field (BLF) Support
VaxVoIP Phone SDK supports Busy Lamp Field (BLF), allowing users to monitor the status of other extensions in real time. With BLF, you can instantly see whether a colleague is available, busy, or offline.
Call Hold, Transfer, and Forwarding
VaxVoIP Phone SDK supports SIP-based call hold, transfer, and forwarding by sending requests directly to the SIP server.
Instant Messaging and Presence
Build SIP-based chat applications with support for SIMPLE (SIP for Instant Messaging and Presence Leveraging Extensions), including presence status such as online, offline, away, and on a call.
SIP REC Protocol Support
VaxVoIP Phone SDK supports SIP REC (SIP Extension for Recording), enabling reliable SIP-based call recording and smooth integration with SIP REC compliant recording servers.
Record Call Conversations
Record live phone calls and save them as WAV files for playback and future reference.
Ready-to-Use Sample Code
The SDK includes comprehensive sample projects to help you quickly understand and implement all features.
