Apps Related to SIP

Discover apps and services related to SIP.

Supports the Session Initiation Protocol for compatibility with various VoIP providers and PBX systems.

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Phoner

Free

Phoner and PhonerLite are a pair of free softphone applications designed for Windows operating systems. They enable users to make Voice over IP (VoIP) calls and securely communicate using the Session Initiation Protocol (SIP), with support for end-to-end encryption.