Freeware Downloads for "Sip Telephony"
- Astbss VOIP and SIP Telephony Engine
- License: Freeware

Free Asterisk Based Business Phone System. User friendly system that controls and manages Asterisk the world's most popular Open Source Telephony Engine using MySQL.
Astbss VOIP and SIP Telephony Engine License - GNU General Public License (GPL).
- Platform: WinOther
- Publisher: astbss.org
- Date:
- Panasonic phone system
- License: Freeware

Panasonic phone system, small business Panasonic phone system, Panasonic telephone system. The Office Phone - Office Phone Systems Panasonic, Toshiba & Avaya Corporate phone systems. Panasonic NCP 1000 - Panasonic - The Office VoIP. A converged network platform to enable businesses to implement Unified Communications Integrated SIP telephony via SIP Trunking Providers Built-in support for Advanced IP extensions IP Phones and Softphones for Remote Workers and Remote Office.
- Platform: Windows
- Publisher: Panasonic phone system
- Date: 18-08-2011
- Size: 6934 KB
- Media5-fone
- License: Freeware

The unique free SIP Softclient with Top Audio Quality for the Android family!
Media5-fone is the best and most comprehensive Mobile VoIP SIP Softphone application that enables you to make and receive free or inexpensive phone calls over the Internet using a Wi-Fi or 3G connection.
You will need to have a VoIP SIP account with your company, or sign up for an account with your favorite SIP provider to use the Media5-fone.
The Media5-fone is compatible with Enterprise IP-PBX and SIP servers from:
• Aastra, Asterisk, Avaya, Broadsoft, Ericsson, FreePBX, FreeSwitch, Kamailio, Mediatrix 4100iPBX Series, Nokia-Siemens, Nortel CS1K, CS2k, CS5200, OpenSIPS, Panasonic, Samsung, Siemens OpenScape and HiPath, sipXecs, Sylantro, And many moreÉ
FEATURES:
• Easy to configure:
- Flexible Codec selection and prioritization.
- Platform: Android 2.x, Android 3.x, Android 4.4, Android 4.x
- Publisher: Media5 Corporation
- Date: 27-02-2014
- Size: 6860 KB
- Vocera Collaboration Suite
- License: Freeware

Secure, Integrated, Intelligent Communication
The Vocera Collaboration Suite is designed as an enterprise-wide solution that works inside and outside the walls of facilities to keep communication flowing between mobile workers in mission-critical environments regardless of a user’s location.
Vocera offers the flexibility to choose the right communication device for the environment and workflow.
Vocera Collaboration Suite extends the Vocera platform to Android™ users anywhere they have Wi-Fi® or cell phone coverage.
- Platform: Android 2.x, Android 3.x, Android 4.4, Android 4.x
- Publisher: Vocera Communications
- Date: 04-01-2015
- Size: 6553 KB
- Carousel Telephony Adapter
- License: Freeware

Carousel is software to connect VoIP calls to ordinary telephone lines and vice versa using one of a number of professional telephony devices. It works as a virtual FXO gateway. You install it as a service on any Windows PC. SIP protocol VoIP calls will be directed out to standard PSTN analog lines through a telephony board. Typical Applications: ~ To create a 1 to 12 FXO gateway to route VoIP SIP calls to ordinary phone lines. ~ To run a VoIP Based PBX (eg. Axon) when no SIP Gateway or Broadband provider is available.
- Platform: Windows
- Publisher: NCH Software
- Date: 18-08-2007
- Size: 214 KB
- ZOIPER Free IAX and SIP softphone
- License: Freeware

ZOIPER Free Version 2.0 is a new generation SIP and IAX softphone compatible with the Asterisk platform as any other SIP or IAX capable system. ZOIPER Free Edition features include: SIP + IAX/IAX 2 protocols, STUN support, STUN server per account, Echo cancellation, DTMF tones sending, Support for multiple audio devices, Automatic user registration, Call transfer, Hold function, Codecs: GSM, ulaw, alaw, speex, ilbc, Adaptive, Call history, Address book, Quick dial panel, Optional Automatic pop-up window for incoming call, Always on top, Call logs, Voice mail message information, Account password encryption, Upgrade notification, Jitter Buffer, Adjustment of audio device, Codecs priority, Portable storage compatibility, Multilanguage support; ZOIPER can also be re-branded.
- Platform: Linux, Mac, Windows
- Publisher: Securax
- Date: 19-07-2007
- Size: 2084 KB
- Uplink Skype to SIP Adapter
- License: Freeware

Uplink connects SIP protocol VoIP calls to the proprietary Skype phone network. It works in both directions. The SIP protocol has become the industry standard for VoIP. Thousands of telephone companies, IP phone manufacturers and virtual IP based PBX systems use this protocol to connect calls. The problem is the proprietary IP phone 'Skype' has an almost cult following in the youth market and sometimes the call rates for SkypeOut are discounted. This software lets you connect calls between the two systems.
- Platform: Windows
- Publisher: NCH Swift Sound
- Date: 11-08-2009
- Size: 231 KB
- Sip Audio Feeding Agent
- License: Freeware

A Sip live audio feeding agent. The agent captures audio from sound card and sends live audio stream(uLaw) to caller(sip phone) using RTP. It is based on Peers 0.3(http://peers.sourceforge.net/). Can be used in IP telephony to broadcast live audio..
- Platform: Linux, Mac, Windows
- Publisher: sipaudiofeeding.sourceforge.net
- Date: 14-06-2012
- Size: 2948 KB
- Express Talk Free VoIP Softphone
- License: Freeware

The Express Talk softphone works like a telephone to let you make calls through your computer and you can call anyone via the internet who has installed it (or any other SIP softphone). Connect your webcam or other video device and you can see and speak to family, friends and colleagues around the world. Calls computer to computer are always free. You can also call ordinary \'real\' telephone numbers anywhere in the world if you sign up with a VoIP gateway service company. See below for recommended telephone gateway companies.
- Platform: Windows
- Publisher: NCH Software
- Date: 17-09-2013
- Size: 684 KB
- Symbian SIP Client
- License: Freeware

The symbian dialer is meant for service providers who can use this Softphone and get it integrated with their existing SIP servers. It works just like standard SIP Softphones i.e. it gets registered on the SIP server and then let the authentic caller makes calls. The biggest advantage that this symbian voip client provides is the huge base of potential customers who can now make calls using their standard mobile phones. The mobile phones need to be connected to the internet either through GPRS/EDGE/Wi-Fi/3G.
- Platform: Symbian
- Publisher: AdoreSoftphone
- Date: 10-02-2010
- Size: 49 KB
- PCBest Networks SIP PBX V
- License: Freeware

A Windows free SIP IP PBX software. It is very easy to use and deploy, with powerful features like:ACD, Auto Attendant, Call Park, Ring Group, Conference, Call Pickup Group, Auto Outbound Dialer, Database CDR report, Database PBX Status Report. It supports SIP extensions, SIP accounts, inbound and outbound calls, and customized dial plans. With new plugin feature, you can use C# or vb.NET to build customized auto-attendant for PBX, or develop your own IVR menu in just minutes. PCBest Networks SIP PBX v2.
- Platform: Windows
- Publisher: PCBest Networks
- Date: 25-05-2011
- Size: 4139 KB
- Axon Free Virtual PBx System
- License: Freeware

Axon is a virtual IP PBx for Windows PCs featuring a one click installation setup and a web management console that makes configuring your new PBx easy. Implement a scalable PBX solution with an existing PC which connects to phone lines and extensions using VoIP technology for your business or home. Offering all the normal features of a traditional PBX such as allowing internal or external calls and more advanced call queuing for call centers. Features: * Manages telephone calls within a business or home.
- Platform: WinOther
- Publisher: NCH Software
- Date: 14-11-2012
- Size: 1249 KB
- PCBest Networks SIP PBX
- License: Freeware

A Windows free SIP IP PBX software. It is very easy to use and deploy, with powerful features like:ACD, Auto Attendant, Call Park, Ring Group, Conference, Call Pickup Group, Auto Outbound Dialer, Database CDR report, Database PBX Status Report. It supports SIP extensions, SIP accounts, inbound and outbound calls, and customized dial plans. With new plugin feature, you can use C# or vb.NET to build customized auto-attendant for PBX, or develop your own IVR menu in just minutes..
- Platform: WinOther
- Publisher: PCBest Networks
- Date: 26-11-2012
- Size: 4137 KB
- AsteriskPNX IP PBX
- License: Freeware

PNX system develops the middle-ware source code to glue Asterisk with a number of powerful telephony products such as: 1) OpenH323 H.323 stack 2) Vovida SIP stack 3) Bayonne Voice Automation Platform The advantages? An advanced IP PBX supporting the wide.
- Platform: Linux, Unix
- Publisher: pnx.sourceforge.net
- Date: 08-08-2012
- Size: 1147 KB
Way2calls Hi-Phone products family are External USB / RS232 Plug and Play CTI (Computer Telephony Integration) Devices. Any software application or web page integrating a Hi-Phone device, can have full-featured Telephony functionality such as Make call, Answer-incoming call, Call Progress Detection, Caller ID etc The Hi-Phone products familys Integration SDK (Software Development Kit) offers software developers a variety of Simple, Fast and Easy Integration Proprietary API (Application Programming Interfaces) as well as standard API.
- Platform: Java, Scripts
- Publisher: Way2call
- Date: 02-05-2013
- Size: 1280 KB
- 39 Peers
- License: Freeware

39 Peers is a open-source project to implement peer-to-peer (P2P) Internet telephony using the Session Initiation Protocol (SIP) in Python.
39 Peers License - GNU General Public License (GPL).
- Platform: WinOther
- Publisher: Peers39
- Date:
- Simu server
- License: Freeware

Simu server project is aimed for IP telephony (VoIP) between classical SIP phones and Flash streaming applications.
Simu server License - GNU General Public License version 3.0 (GPLv3).
- Platform: WinOther
- Publisher: Simuserver
- Date:
- SIP Inspector
- License: Freeware

SIP Inspector is a tool written in JAVA to simulate different SIP messages and scenarios. You can create your own SIP signaling scenarios, customize SIP messages and monitor incoming and outgoing messages. The tool can play RTP streams from a pcap file. for WindowsAll
.
- Platform: WinOther
- Publisher: Zarko Coklin
- Date:
- SIP Digest Response Calculator
- License: Freeware

SIP Digest Response Calculator was developed as an easy-to-use and accessible piece of software that manages to calculate the response for SIP Digest Authentications.
All you have to do is launch the software, input all the required parameters and press the "Calculate" button.
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- Platform: Windows
- Publisher: Michail Koreshkov
- Date:
- UniXcape
- License: Freeware

UniXcape is an internet phone (VoIP), compatible with the SIP protocol.
If you subscribe a VoIP to PSTN (=classic telephony) account to a telecom provider, you can reach everyone that has a "classic" phone line.
Alternatively.
UniXcape available on UniXcape mobility only.
List of supported features:
-Audio with the following codecs: Speex8
-Vdeo with the following codecs: H264
-Chat message
-multiple calls
-audio conferencing
-Address book integration
-Call history
-DTMF (telephone tones) support using SIP INFO or RFC2833
- Platform: Android 2.x, Android 3.x, Android 4.4, Android 4.x
- Publisher: TGS Enterprise Network Limited
- Date: 31-01-2014
- Size: 19456 KB
Sip Telephony: Freeware | All










