16 Apr 2011:  Welcome to the Free VOIP Service, VOIP Wiki - a reference guide to all things VOIP

3) Directories: It is good practice to submit your new website to multiple directories when you launch. If you haven’t, here are a few free one’s to consider:

Connecting Phones to VOIP

• Free VOIP Service, free-voip-service.info,IP Phones: VoIP phones both hardware and software
• Free VOIP Service, free-voip-service.info,Analog Telephone Adapters: VoIP analog telephone adapters ATA - see Cheapest ATAs and Service
  • See also VOIP Routers
  • See also Asterisk hardware home analog: includes some comparison of external ATA and PCI card
• Digital Telephone Adapters: VoIP Digital/TDM telephone adapters
• Dial Pulse to Touchtone DTMF Converters - connect that old rotary phone to DTMF VOIP equipment
• Free VOIP Service, VOIP Paging and Intercom
• Free VOIP Service, VOIP Payphones
• Free VOIP Service, VOIP and TTY Free VOIP Service, VOIP and hearing impaired TTY terminals
• Free VOIP Service, VOIP Paging Equipment - paging with VOIP
• Free Free VOIP Service, VOIP Networks - list of Free VoIP Providers
• Wireless Free VOIP Service, VOIP: Cut the wires! Roam free with wireless VOIP

Connecting Free VOIP Service, 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 Free VOIP Service, VOIP addresses
• Failover Switches - Automated or Manual Switch PSTN Interfaces on failure for redundancy
• FXS-FXO Converters - Convert an FXS interface to an FXO interface
• 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.
• Free VOIP Service, VOIP GSM Gateways - VOIP to GSM gateways

Free VOIP Service, 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
• 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...

Free VOIP Service, VOIP Protocols

• 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

• Basic call routing and rules for UA's or Free VOIP Service, 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

Free VOIP Service, 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 Free VOIP Service, VOIP and Telephony-related events
• Training and Conferences - Check here for recent Training and Conferences
• VoiceCon Annual conference on IP Voice Communication.
• Free VOIP Service, VOIP Event Calendar — List of upcoming VOIP related events, Conferences, Trade Shows, Training, etc.

Home Services

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