Best Softphone Apps for iPhone of 2026

Yeastar Linkus Unified Communications app, which is compatible with both cloud PBX and on-premises PBX, gives you easy access to enhanced call efficiency and enterprise-grade telephony features across any device at your disposal. It also allows you remote working agility with softphone and instant messaging, file sharing, CRM integration, and CRM integration.

SecuSUITE® is certified to comply with stringent security standards, safeguarding against various threats to both enterprise and national security by facilitating secure communications on standard mobile devices. Employees, whether working domestically or internationally, can engage in secure voice calls and send encrypted messages, including group chats, using their existing iOS® and Android™ smartphones instead of cumbersome specialized communication systems. When faced with significant threats, the need for robust security becomes paramount. With SecuSUITE, all calls are encrypted from the mobile device to the crypto gateway established in the organization’s secure network, effectively preventing eavesdroppers from accessing any information. Additionally, users can seamlessly transition from a SecuSUITE-enabled mobile device to their home network, and from there, connect to external mobile or landline numbers through PSTN extension, ensuring continued secure communication no matter the location. This level of security is crucial in today’s landscape where information is constantly at risk.