NEWS

• 2010-09-06 - Kamailio (OpenSER) SIP Router Masterclass - advanced training in Berlin, Germany, Nov 8-12, 2010
• 2010-09-06 - 10 EUR startup balance for your free hosted callshop billing software
• 2010-09-03 - 9 Years SIP Express Router (aka SER) - a walk through the development of the open source SIP proxy and application server
• 2010-09-03 - Telesis A.S. announces XApi (Xymphony API Project) for software developers (released under simplified BSD license)
• 2010-09-03 - Codec2 low bit rate open source speech codec V0.1 Alpha Released.
• 2010-09-01 - PBX-In-A-Box Releases New Cisco IP Phone XML Services for General Use Setup your Service URL to http://www.pbxinabox.com/ciscoservices.php
• 2010-09-01 - New VXI* VoiceXML browser 5.1 for Asterisk released! by I6NET

News Resources

• Software Releases - Check here for recent VoIP-related software releases.
• VoIP Services - Check here for news on Voip Services.
• VOIP Event Calendar - Check here for news on VOIP Events, Tradeshows, Training and Conferences
• Older News - Check out older news articles here

Getting Started

• What is VOIP? The very basics.
• Free VOIP Publications: Magazines and Newsletters free to qualified subscribers about VOIP related products
• Training: Seminars, tutorials, on-line classes. Check here for recent.
• VOIP Consultants: Finding help.
• VOIP Service Providers - VOIP service providers.
• DID Service Providers - VOIP call origination service providers.
• VoIP Practical Guide - VoIP Resources for Your Home and Business.
• How to start a VOIP Business

Connecting VOIP to the PSTN and Cellular Networks

• Cheapest ATAs and Service - For Calling PSTN Numbers, or receiving phone calls from PSTN Numbers
• ENUM - Translating E164 numbers to VoIP addresses
• Failover Switches - Automatically or Manually Switch PSTN Interfaces on failure for reundancy
• FXS-FXO Converters - Convert an FXS interface to an FXO interface
• Phone Numbers - Dozens of test and information numbers you can call for free.
• PSTN Gateways - VOIP to PSTN gateways (also known as: Media Gateways)
• Routing calls using a free international calling service - How to use two-step dialing to save on costs.
• VOIP GSM Gateways - VOIP to GSM gateways

PBX and Servers - VoIP PBX and Servers

• Asterisk: Open Source PBX
• CallWeaver: Vendor independent, cross-platform open source IP-PBX, originally derived from Asterisk.
• FreeSWITCH: Open source cross platform (*nix, Win, OSX) multiprotocol (SIP, IAX, Googletalk, Jabber, XMPP, WOOMERA/H.323, PRI/T1/E1) softswitch.
• Kamailio: Flexible and powerful open source GPL SIP ( RFC3261 ) server with integrated TLS (former OpenSer)
• Sip Express Router: High-performance, configurable, free SIP ( RFC3261 ) server
• sipXecs: SIPfoundry's sipXecs Project - The SIP PBX for Linux (L-GPL) - Utilizes FreeSwitch, OpenFire and OpenACD
• 3CX Phone System: Windows PBX with free and commercial versions
• Yate - open source softswitch/PBX, with E1/T1, ISDN, SS7, RBS, analogics, IAX, H.323, SIP, MGCP, Jingle (GoogleTalk), for Windows, Linux and BSD's
• more...

Protocols - the language of VOIP

• IP Protocols COPS, ENUM, H.323, IAX, IMS, LTP, Megaco, MGCP, PINT, RTP, SCCP, SCTP, SDP, SIMPLE, SIP, STUN, T.37, T.38, TRIP, TURN
• ITU protocols SS7, ISUP
• OSP, PacketCable MRCP
• Encryption Protocols ZRTP

Markup Languages

• Basic call routing and rules for UA's or VOIP servers CPL
• IVR Presentation and dialog management: VoiceXML, CallXML
• Call control / conferencing / call routing: CCXML
• IVR / Speech recognition definition: SRGS
• IVR / Speech synthesis definition: SSML
• IVR / prompting / recording / conferencing / DTMF / Voice: CallXML

Traditional Telephone Network

• Analog Telephone Information
• PBX features
• PSTN Interface Hardware
• RESPORG: Toll Free 800 Number Programming
• Telecom Dictionary
• Telco Engineering Information
• Telephone History

VOIP Events and Conferences

• Astricon
• AstriEurop The Asterisk European Exhibition
• Asterisk-Tag.org Annual German conference on Asterisk and related topics
• ClueCon Annual conference on open source telephony development
• Global VoIP and Telephony-related events
• Training and Conferences - Check here for recent Training and Conferences
• VoiceCon Annual conference on IP Voice Communication.
• Voice Peering Forum on routing, interconnection and peering of Web2.0 & VoIP networks
• VoIP business related events
• VOIP Event Calendar — List of upcoming VOIP related events, Conferences, Trade Shows, Training, etc.
• VoIP Today Asterisk and VOIP related events, Conferences, Trade Shows, Training, etc.

Business Services

• Credit Card Merchant Services

Resources

• Zonetel Forum is a free IT community that welcomes, shares, and contributes knowledge about telecommunications such as Asterisk, VOIP, DID Number, Grandstream, Skype and Sangfor related topics.
• Phone System Tech Forum
• Twitter VoipUser Directory: Twitter VoipUser Directory
• VOIP IVR Usage: Real world examples of business VOIP usage
• VOIP Websites: Other VOIP websites on the Internet
• Voip Forum: Free voip forum for the voip community.

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