Voice and video communication
Make and receive voice/video calls with HD audio support and up to 1080P video using H.264 and VP8.
- Voice codec support includes G.711a/u, Opus, AMR, AMR-WB, G.722.1, iLBC, GSM, and SPEEX-WB.
- HD audio call
- H.264 and VP8

VoxCon is a free SIP softphone for Android and iOS users, enabling voice/video calls, instant messages, and mobile SIP access through OpenVox IPPBX systems or other SIP servers over cellular data or WiFi.
VoxCon turns a mobile device into a standard SIP endpoint for users who need business calling, video calling, and messaging without carrying a desk phone.

VoxCon combines standard SIP calling with mobile collaboration features, making it suitable for users who need reliable voice access away from a fixed desk.
Make and receive voice/video calls with HD audio support and up to 1080P video using H.264 and VP8.
Manage multiple calls from the mobile interface, including call switching, merge/split handling, and attended and unattended transfers.
Send instant messages alongside SIP calling, keeping lightweight mobile communication inside the same softphone experience.
Support secure call signaling, audio encryption, and NAT traversal options including automatic NAT discovery, STUN and UPnP.
A successful VoxCon rollout starts with the SIP account, supported mobile platform, and network path each user will rely on for daily calling.
Use OpenVox support and product resources to confirm SIP profile setup, mobile platform requirements, and endpoint selection before deployment.
Support
Confirm SIP profile preparation, QR code import, and mobile rollout requirements with OpenVox support.
Endpoint choice
Use VoxCon for mobile SIP users and C Series IP phones for fixed desks that need dedicated hardware.
Project
Share the SIP platform, mobile user count, Android or iOS requirements, and expected call workflow.
Bring SIP calling, video, messaging, and secure mobile access to users who need a software endpoint connected to OpenVox IPPBX or other SIP servers.