Ringtek

RingTek: A powerful SIP softphone app for crystal-clear VoIP calls, SMS & fax. Multi-account, secure, mobile-ready communication anywhere.

RingTek is a feature-rich SIP softphone app built for modern business communication. Designed with flexibility, scalability, and mobility in mind, RingTek empowers teams and professionals to stay connected anytime, anywhere — with crystal-clear VoIP calls, SMS, faxes, and seamless extension management.

Whether you're in the office, working remotely, or constantly on the move, RingTek ensures your communication remains uninterrupted, efficient, and secure.

Our seamless multi-account feature allows you to have multiple private or business numbers on one app and be able to do all your communications separately for each account. This includes SMS and faxing.

Key Features: VoIP Calling (SIP-Based)

• Make and receive high-quality voice calls over Wi-Fi or cellular data
• Multi Tenant Feature. Support for multiple SIP accounts across different organizations
• Auto-registration of SIP accounts after login Smart User Access
• Simple login and signup experience
• Automatically fetch and register all linked SIP accounts upon login
• Distinct Identification for each SIP account to distinguish incoming and outgoing calls Advanced Call Handling
• Call Transfer – Attended and blind transfer support
• Conference Calling – Merge multiple calls in real-time
• Call Hold / Mute / Speaker – Full in-call controls
• Call Logs – Detailed logs for inbound, outbound, and missed calls Do Not Disturb (DND)
• Easily enable or disable DND mode
• DND status can be toggled by users or administrators via extension controls Background Call Support
• Receive incoming calls even when the app is running in the background Bluetooth Support
• Fully compatible with Bluetooth headsets and in-car systems Business SMS Messaging
• Send and receive SMS messages within the app
• Streamlined interface for quick communication with customers or team members Fax Integration
• Send and receive faxes directly from the app
• Built-in PDF viewer and sender for smooth fax workflows
• Supports both individual and multi-page documents Multi-Organization & Multi-Extension Support
• Manage SIP accounts from multiple companies or branches
• View company extensions and initiate quick calls to colleagues

Why RingTek?

• Designed for business users, remote teams, call centers, and VoIP administrators
• Reliable performance across iPhone, iPad, and various network conditions
• Secure, scalable, and easy to integrate with existing VoIP infrastructure

Whether you're managing client communications, supporting customers, or collaborating with internal teams, RingTek brings all your business calling needs into one simple, secure, and powerful app.