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Phoner is a multiprotocol telephony application supporting telephony via CAPI, TAPI and VoIP, while PhonerLite provides a specialized and optimized user interface for VoIP only. Beside the different user interface focus both programs share the same code base. Both programs use the Session Initiation Protocol for VoIP call signalisation. Calls ...
FreeSWITCH is a free and open-source telephony software for real-time communication protocols using audio, video, text and other forms of media. The software has applications in WebRTC, voice over Internet Protocol (VoIP), video transcoding, Multipoint Control Unit (MCU) functionality and supports Session Initiation Protocol (SIP) features.
Call tracking software records information about incoming telephone calls and, in some regions, records the calls themselves.Call tracking is a technology which can enable the pay per call, pay per minute or pay per lead business model, allowing the tracking of phone calls to be associated with performance-based advertising such as Google AdWords, SEO Services, Display and Electronic Direct ...
The software enables Voice over IP as part of a self-organising Peer-to-peer telephone network. [1] It supports features like call forwarding , call distribution , call hold , presence information and (text) messages, supports encrypted calls and also enables NAT traversal to establish the peer-to-peer connections.
Free and open-source software portal This category is for packages that implement VOIP and are free software - that is to say that the source code is available under a free software licence . Subcategories
MicroSIP is a lightweight, open-source software application that enables users to make Voice over IP (VoIP) calls using the SIP (Session Initiation Protocol) standard. It is designed to be simple, easy to use, and resource-efficient, making it an ideal choice for low-resource devices, such as older computers, and for users who need a minimalistic VoIP client.
For call signaling it employs the Session Initiation Protocol (SIP). [2] It also features direct IP-to-IP calls. Media streams are transmitted via the Real-time Transport Protocol (RTP) which may be encrypted with the Secure Real-time Transport Protocol (SRTP) and the ZRTP security protocols.
pfSense, a firewall/router distribution based on FreeBSD and PF; has QoS that properly tags VoIP traffic and a SIP proxy package that is available for NATed endpoints. Its functionality can be expanded with packages like FreeSWITCH, a free/open source software communications platform for making SIP, voice and chat driven products.