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Open Directory - Computers: Software: Internet: Clients: SIP
Computers: Internet: Protocols: SIP
ABTO VoIP SIP SDK
- Provides a software development kit for adding SIP calling features to applications.
Acrobits Mobile VoIP solutions
- A mobile software development company with a focus on SIP clients for mobile devices.
- Provides SIP softphone, web-to-phone, and click-to-call software.
- Provides SIP client software, server software, and software development kits.
- Provides SIP softphones for service providers, integrated with Microsoft's UC platform, IBM's Lotus Notes and Sametime.
- Provides SIP video communications for desktop (Windows, Linux) and mobile (Windows Mobile and Android) platforms.
- Provides SIP products and applications for service providers and enterprise networks.
- Offers SIP softphone freeware for Windows. English and German instructions.
- Provides a cross-platform, open source softphone. Includes a mailing-list and a wiki.
- A softphone client for Windows.
- Gives embedded VoIP Tunnel proprietary technology for making and receiving calls from behind VoIP blockades/firewalls.
- A SIP (Based on RFC 3261) Interactive Voice System (IVR) running under Windows.
- Softphone for Android, Blackberry, iPhone and Windows PC.
Voice Operator Panel
- Provides a SIP softphone with switchboard for receptionists.
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