VoipPlus Business Phone

VoipPlus Business Phone turns your iPhone into a full-featured business extension. Make and receive calls through your company's PBX system with crystal-clear audio and native iOS call integration. Features: - Push notifications for incoming calls even when the app is closed - Native iOS call screen integration with CallKit - Automatic desk phone detection — uses Bluetooth to sense when you're near your desk phone and silences ringing on your iPhone so you can answer at your desk - Multi-line support for multiple extensions - One-tap provisioning — no manual SIP configuration needed - Call history with caller ID - Contacts management - Voicemail access with long-press dialing - Supports STUN/TURN/ICE for reliable NAT traversal