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Mature and flexible open source SIP server.OpenSER is a mature and flexible open source SIP server (RFC3261). It can be used on systems with limitted resources as well as on carrier grade servers, scaling to up to thousands call setups per second. It is written in pure C for Unix/Linux-like systems with architecture specific optimizations to offer high performances. It is customizable, being able to feature as fast load balancer; SIP ...Licence : GPL
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Desktop ISDN telephony application. | ANT is a desktop ISDN telephony application written for GNU/Linux. It supports OSS (Open Sound System) and I4L (ISDN4Linux). Its user interface was made for GTK+ 2.x (GIMP toolkit). It directly interfaces OSS and ISDN devices, so there is no need to install extra software or hardware like PBX (Private Branch Exchange) or telephony cards, if you've got direct access to an audio capable ISDN ...Licence : GPL |
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QoS monitoring tool for VoIP networks. | ManageEngine VQManager is a powerful, web-based, passive QoS monitoring tool for VoIP networks. It can monitor any device or user-agent that supports SIP (RFC 3261) and RTP / RTCP (RFC 3550). VQManager monitors real-time VoIP QoS metrics to give instantaneous reports, self-configurable alerts & in-depth fault probing – all from a single web interface. Real-time, 24x7 non-intrusive ...Licence : Freeware |
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Test Internet connections for VoIP Performance. | MyVoIPSpeed Server very accurately measures the quality and performance of Internet connections for Voice over IP (VoIP) usage by simulating UDP VoIP sessions between a server and browser clients. Connections are tested for jitter, packet loss and bandwidth consistency. Download and upload bandwidth speeds are also measured. Reported metrics include max pause, round trip time, and QOS (bandwidth ...Licence : Commercial |
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Telephony server of the GNU project.Bayonne is the telephony server of the GNU project. Bayonne is a script driven server than may be used to create multi-line voice telephony applications on GNU/Linux systems using hardware from QuickNet and/or Pika technologies.
Licence : GPL
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Complete call answering and voice messaging system. | VOCP transforms your computer into a full-featured call answering and voice messaging system. With the VOCP System, you can create an unlimited number of voicemail, pager and command shell boxes which callers will navigate using their touch tone telephone. You can send and receive faxes, listen to your email using text-to-speech, filter and redirect calls based on caller ID information, execute ...Licence : GPL |
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Internet telephone. | Gphone is an internet telephone. In other words, if you and your friend have computers with sound cards and network connections, you can use gphone to talk to each other and save on phone bills.
Licence : GPL |
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Adjunct Communication Server.ACS offers a GPL licensed scriptable modular threaded multi-line telephony development platform suitable for deploying voice messaging and voice response applications. ACS supports the new Linux "/dev/phone" standard and offers a platform for telephony enabling database query, web integration, and system management through TGI (Telephony Gateway Interface) and standard scripting ...Licence : GPL
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