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How VoIP Helps Small Businesses Be More Productive In Lesser Time
Top Performing Business VoIP Dialers
Integration of VoIP With Other Business Tools
Choosing A VoIP Phone For Home And Office – Guide
Common VoIP Security Threats and Protection Ways
Getting Started with VoIP
- 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 upcoming Training schedule.
 - VOIP Consultants: Finding help.
 - VOIP Service Providers – VOIP service providers.
 - VOIP Providers USA – VoIP Service providers in the United States.
 - Best VoIP Service Reviews and Pricing
 - VoIP Service Providers Business
 - VoIP Service Providers Residential
 - VOIP Server Monitoring – VOIP server monitoring providers.
 - DID Service Providers – DID VOIP call origination service providers.
 - VoIP Practical Guide – VoIP Resources for Your Home and Business
 - How to start a VOIP Business – Guides and Resources to Start your own ITSP
 
VoIP IP PBX and Servers
Popular choices – please do not alter this list, add new entries here
- 3CX – Software based VoIP IP PBX for Cloud, Windows & Linux
 - Asterisk: Open Source development platform to make a PBX
 - FreeSWITCH: Open source cross platform SIP switch.
 - Kamailio: Flexible and powerful open source GPL SIP ( RFC3261 )
 - More: VOIP PBX and Servers, VoIP Hardware, Call Center Software, Virtual PBX
 
Connecting Phones to VOIP – VoIP to PSTN, PSTN to VoIP
- IP Phones: VoIP phones both hardware and software
 - Analog Telephone Adapters: VoIP analog telephone adapters ATA – see Cheapest ATAs and Service
 - Digital Telephone Adapters: VoIP Digital/TDM telephone adapters
 - Dial Pulse to Touchtone DTMF Converters – connect that old rotary phone to DTMF VOIP equipment
 - VOIP Paging and Intercom
 - VOIP Payphones
 - VOIP and TTY VOIP and hearing impaired TTY terminals
 - VOIP Paging Equipment – paging with VOIP
 - Hosted VoIP
 - Free VoIP Networks – list of Free VoIP Providers
 - Mobile VoIP
 - Wireless VOIP: Cut the wires! Roam free with wireless VOIP
 - SIP Trunking
 - Long Distance Phone Service
 - FXS-FXO Converters – Convert an FXS interface to an FXO interface
 - PSTN Gateways – VOIP to PSTN gateways (also known as: Media Gateways)
 - ENUM – Translating E164 numbers to VoIP addresses
 - VOIP Termination and VOIP Origination
 
VoIP Protocols / Markup
- IP Protocols COPS, ENUM, H.323, IAX, IMS, LTP, Megaco, MGCP, PINT, RTP, RTMP, SCCP, SCTP, SDP, SIMPLE, SIP, STUN, T.37, T.38, TRIP, TURN
 - ITU protocols SS7, ISUP
 - OSP, PacketCable MRCP
 - Encryption Protocols ZRTP
 - 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
 - SD-WAN, MPLS