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grantpotter : voip   7

Internet Radio Linking Project
audio from the receiver which is then fed into the sound card - where it is converted into ADPCM digital data. The Linux PC then converts this digital information into digital packets each assigned with IP addresses for the destination node. These packets now flow through the internet to the destination Linux PC where the packets are decoded then sent to the sound card and out to the transmitter microphone of the link radio which then transmits the audio out over the local repeater. The transmitter is keyed as soon as these TCP/IP (Internet Protocol) packets start to arrive. As soon as the data stops the link radio automatically un-keys and process reverses.
radio  voip  ham 
june 2017 by grantpotter
The OpenBTS Project
OpenBTS is an open-source Unix application that uses the Universal Software Radio Peripheral (USRP) to present a GSM air interface ("Um") to standard GSM handset and uses the Asterisk® software PBX to connect calls. The combination of the ubiquitous GSM air interface with VoIP backhaul could form the basis of a new type of cellular network that could be deployed and operated at substantially lower cost than existing technologies in greenfields in the developing world.
voip  diy  piratebox  radio 
june 2017 by grantpotter
Mod shout - FreeSWITCH Wiki
Pass FreeSwitch calls to IceCast server
radio  opensource  broadcasting  voip 
june 2017 by grantpotter
MS Office Comm 2007 Server + Lifesize
Using LifeSize systems with Microsoft Office Communications Server 2007
webconference  videoconferencing  voip 
june 2017 by grantpotter

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