Open Source C Telephony Software
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C Telephony Software
View 311 business solutionsBrowse free open source C Telephony Software and projects below. Use the toggles on the left to filter open source C Telephony Software by OS, license, language, programming language, and project status.
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VoIP monitor
VoIP SIP and SKINNY quality analyzer and packet / audio recording tool
VoIPmonitor is open source network packet sniffer with commercial frontend for SIP SKINNY MGCP RTP and RTCP VoIP protocols running on linux. VoIPmonitor is designed to analyze quality of VoIP call based on network parameters - delay variation and packet loss according to ITU-T G.107 E-model which predicts quality on MOS scale. Calls with all relevant statistics are saved to MySQL or ODBC database. Optionally each call can be saved to pcap file with either only SIP / SKINNY protocol or SIP/RTP/RTCP/T.38/udptl protocols. VoIPmonitor can also decode audio. -
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anyremote
Remote control software for applications using wi-fi or bluetooth
Remote control software for applications using wi-fi or bluetooth. -
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Siproxd is a proxy/masquerading daemon for the SIP protocol. It allows SIP clients (softphones & hardphones) to work behind an IP masquerading firewall or router.
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IAXmodem is a software modem written in C that uses an IAX channel (commonly provided by an Asterisk PBX system) instead of a traditional phone line and uses a DSP library instead of DSP hardware chipsets.
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Grafana: The open and composable observability platformGrafana is the open source analytics & monitoring solution for every database.
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SIM Card Manager
Windows tool to read SIM card information and content
SIMCardManager is Windows tool that can read a SIM card information (ICCID, IMSI, Pin states) and SIM card content : phone book (ADN), Fixed dialing (FDN) and SMS messages. It also enables you to authenticate with PIN when activated and export SIM card content to text files. You need to have a PC/SC compatible smart card reader or dongle with SIM slot. You can find other useful tools on my website http://www.idrix.fr -
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BlackBelt Privacy Tor/i2p+WASTE+VidVoIP
Browse on Tor/i2p, Anon p2p Chat / FileTx, Conf / Video VoIP
Open Source - GPLv3 inc images. *** PLEASE NOTE: There are now 2 seperate versions here. *** One is Pre Firefox 57. The other is Post Firefox 57. *** For those providing mirrors, please enable your users to realize this. Vidalia Based, Tor as a Service Solution. MicroSip: enables FREE PC to PC video calling with no account sign-up and no middleman server. WASTE: enables FREE Conference VoIP, chat, file transfer and support. *** AI Powered *** Tor/i2p: enables safer browsing. Tor/i2p Profile: Browse over Tor/i2p on Firefox (Vanilla, ESR), Waterfox (Classic, New), Palemoon , LibreWolf and legacy CyberFox. As with all versions of Tor - do not rely on this for strong anonymity. A usability enhanced Privacy Pack. Use alongside Tor Browser Bundle. An installer, for : Vista 32/64, Win7 32/64, Win8 32/64, Win10 32/64, Win11, Linux (Wine) -
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OpenSIPS (former OpenSER) is an GPL implementation of a multi-functionality SIP Server that targets to deliver a high-level technical solution (performance, security and quality) to be used in professional SIP server platforms. IMPORTANT: this is no longer the main hosting for the project. This was moved on GITHUB - https://github.com/OpenSIPS/opensips
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Gammu
Cellular manager for mobile phones/modems
Gammu is a cellular manager for mobile phones/modems. It contains libraries and functions for ringtones,logos,phonebook,SMS,etc. (used by external software), a command line version (with backup/restore) and SMS gateway (with MySQL and PostgreSQL supp -
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The NCID (Network Caller ID) project is Caller ID (CID) distributed over a network. The project contains the NCID package and 4 optional client packages. Each package is described at the NCID web site. A non-inclusive list of 3rd party addons is also available at the web site Available Packages: NCID - contains the server, gateways, and a client with output modules LCDncid - a client that uses LCDproc to display Caller ID on a LCD display NCIDandroid - a client and gateway for Android devices NCIDdisplay - a homebrew client that displays on large LED modules NCIDpop - a popup client for Windows, Mac, and Linux
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Welcome to the Linux-IrDA project. The overall goal of this project is to make an implementation of the IrDA (tm) standards specifications for the Linux kernel. The code is licensed under the GNU Public licence (GPL) and is now included in Linux-2.2.
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sipsak is a command line tool which can send simple requests to a SIP server. It can run additional tests on a SIP server which are usefull for admins and developers of SIP enviroments. Note: the project is maintained on GitHub https://github.com/nils-ohlmeier/sipsak
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The Open VXI VoiceXML interpreter is a portable open source library that interprets the VoiceXML dialog markup language. It is designed to serve as a reference for parties interested in understanding how VoiceXML markup might be executed.
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Modem Manager GUI
Frontend for ModemManager 0.6/0.7, Wader and oFono
Modem Manager GUI is a simple GTK based graphical interface compatible with Modem manager, Wader and oFono system services able to control EDGE/3G/4G broadband modem specific functions. You can check balance of your SIM card, send or receive SMS messages, control mobile traffic consuption and more using Modem Manager GUI. -
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The WBXML Library is a C library for handling WBXML (Wireless Binary XML) documents. It consists of a WBXML Parser (with a SAX like interface), a generic WBXML Encoder, and an internal representation of the document (WBXMLTree).
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The ASN.1 Compiler
Go to github.com/vlm/asn1c for the latest version.
This ASN.1 compiler turns ASN.1 specifications into C code. The asn1c is shipped together with conformant BER/DER/XER/PER codecs. The X.509, GSM TAP3, MEGACO, RRC and LDAP encoding and decoding examples are part of the source code distribution. NOTE: THE asn1c PROJECT HAS LARGELY MOVED TO GITHUB: http://github.com/vlm/asn1c -
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atinout
AT commands as input are sent to modem and responses given as output.
This program will read a file (or stdin) containing a list of AT commands. Each command will be send to the modem, and all the response for the command will be output to file (or stdout). Example, to hang up any ongoing call: $ echo ATH | atinout - /dev/ttyACM0 - ATH OK $ -
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Kiax is a softphone (soft phone, VoIP client) with a simple and comfortable user interface for making VoIP calls to Asterisk PBX. It depends on the iaxclient library to use Asterisk's IAX2 protocol for easy call configuration and audio setup.
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A lightweight cross platform IP telephony client using the IAX protocol, designed for use with the asterisk open source PBX.
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The ATSlog software provides a handy web-oriented interface for collecting, viewing and analysing calls for various types of PBX (Private Branch eXchange) models.
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SCMxx
Management tool for Siemens Mobile phones
SCMxx allows you to exchange certain types of data with mobile phones made by Siemens Mobile. It works with the S25, S35i, M35i, C35i, SL45, S45 and ME45 and probably others. -
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Telemarketing (Junk) Call Blocker
Blocks unwanted calls using caller ID and a modem
Program to block junk calls. Connects to a modem and listens for a caller ID. It then reads strings from a blacklist file and scans them against the caller ID. On a match, it sends commands to the modem that terminate the call. RECENT ACTIVITY: (11/2014):Added Raspberry Pi support for two USB modem brands. (01/2015): Added Raspberry Pi support for USR5686G modem. (06/2015): Added full-function program for ATian voice/FAX modem. (01/2016): Added jcEdit.py file edit program. (05/2016): Confirmed Sewell modem same as ATian modem. (07/06/2016): File download count passed 10,000. (11/2016): Changed contact email to: walsheath@gmail.com (01/2017): Updated jcEdit.py (See Discussion menu for details). (03/2018): Uploaded final jcblockAT update . (06/2018): Final jcblockAT update success (see Discussion menu or README2 file). (07/2018): Uploaded final jcblock update. -
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CONFIANCE stands for CONFerencing IMS-enabled Architecture for Next-generation Communication Experience: an implementation of the IETF XCON (Centralized Conferencing) framework and of the BFCP (Binary Floor Control Protocol)
