VoIP

AccessOne Technologies
US-based (Georgia) VoIP services for B2C and B2B market
http://www.accessonetech.com/

Adore Infotech Pvt. Ltd
New Dehli, India-based B2B VoIP Solutions provider offering postpaid/prepaid calling card billing, origination/termination billing, Softphone, Softswitch and hardware.
http://www.adoreinfotech.com

AIM Phoneline
Free DID local number for unlimited inbound phone-to-pc calls and voicemail. Paid outbound PC-to-phone VoIP service.
http://www.aimphoneline.com/

Aptela - Business VoIP
Aptela Business VoIP features answering, call routing regardless of physical location; manages e-mail messages, fax, voice-mail, etc.
http://www.aptela.com

Asterisk
An open source telephony switching and private branch exchange service. Allows peer-peer calling using a variety of voice over internet protocols.
http://asterisk.org

AT&T CallVantage Service
Broadband phone service from AT&T. Consumer VOIP plans includes unlimited calling within USA and Canada.
http://www.usa.att.com/callvantage

BroadVoice
VoIP provider offers full feature set with voice mail, caller ID, etc. Requires supplied broadband phone adapter.
http://www.broadvoice.com/

Broadvox
Offers VoIP services to small business, enterprise solutions such as call centers and services for carriers.
http://www.broadvox.net/

Callcentric
Worldwide VoIP provider for business and residential customers. Free accounts and in-network calling. Per minute and unlimited rate plans. Phone numbers in US, Canada, and internationally.
http://www.callcentric.com

Callconomy Solutions
Provides international VoIP call shop services. Includes FAQ.
http://www.callconomy.com

CallDaddy
Pre-paid VOIP services. H.323 IP phone, gateway, gatekeeper, NetMeeting or any other H.323 compliant terminal necessary.
http://www.calldaddy.com

Calleveryone.com
A full featured VoIP/broadband phone to phone service primarily for calls within the US.
http://www.calleveryone.com

Callserve
PC-to-Phone service for outbound calls only. Software download required.
http://www.callserve.com/

Calltower, Inc.
US-based B2B VoIP provider offers enterprise class hosted VOIP PBX Systems.
http://www.calltower.com

Click4netphone
Pre-paid Internet Telephony Services via VOIP.
http://www.click4netphone.com

Cliconnect Internet Telephony
Offers a variety of domestic and international VoIP plans including unlimited calls to individual countries for fixed fee.
http://www.cliconnect.com

3CX
Windows platform software-based IP PBX systems for small businesses. London/Cypress-based company.
http://www.3cx.com

Dialpad Communications, Inc.
Offers monthly billing and pre-paid PC-to-Phone VoIP services. Also supports broadband telephone adapter for use without PC.
http://www.dialpad.com

Dow Networks
Provides Voice over IP and telecom service to international clients.
http://www.downetworks.com

Efonica
Prepaid system for PC-to-phone and web initiated phone-to-phone using VoIP.
http://www.efonica.com

EW Communications
UK-based B2B and B2C VoIP telecom provider.
http://www.ewcoms.com

Geckotech
Hosted IP phone service for small and midsized businesses. US-based company (Chicago, IL).
http://www.geckotechllc.com

Hihicall
Pre-paid PC-to-phone VoIP service worldwide; download software required
http://www.hihicall.net

Hypecall
Callback service utilizing SkypeOut account. Send message or vCard via SMS and receive callback connecting both parties using Skype network and pricing. No software needed, any phone with sms capabilities.
http://www.hypecall.com/

iConnectHere
Offers VoIP-based PC-to-Phone, Broadband Phone and Calling Card services.
http://www.iconnecthere.com/

InPhonex VoIP Provider
VoIP Service Provider offers residential and business IP Telephony Phone Service with a variety of plans.
http://www.inphonex.com

IPCB.net
Softswitch services such as routing, billing as well as VoIP call termination.
http://www.ipcb.net

IPgrade
B2B Wholesaler of VoIP-based Phone-to-Phone, PC-to-Phone, DDI, VPN, CRM, prepaid calling cards, and broadband services.
http://www.ipgrade.com

ISPhone Inc.
Wholesale voice over internet services.
http://www.isphone.net/

JAJAH Inc.
Web-activated VOIP calls between two landline or mobile phones. Paid service to connect to non-registered users, free between 2 registered users.
http://www.jajah.com/

Junction Networks
Provides hosted and gateway services, with weblog. Based in New York and Pennsylvania, USA.
http://www.junctionnetworks.com

Lingo, Inc.
Provides voice over internet dial-tone service. No PC required. Uses analog telephone with broadband telephone adapter.
http://lingo.com/

Localphone Ltd.
VoIP provider offering various consumer and B2B telephony services.
http://www.localphone.com/

Mobif
Malaysian based VoIP provider offering adaptor and softphone products available through resellers.
http://www.mobif.com.my

My VoIP Store
Australian-based (Brisbane) VoIP consultant and B2C e-commerce site for VoIP hardware.
http://www.myvoipstore.com.au

MyVoipProvider
International VoIP call rate price comparison. Includes news, user reviews and consumer information.
http://www.myvoipprovider.com

Mywebcalls
PC-Phone or device-to-phone United Kingdom based service.
http://www.mywebcalls.com/

On Instant
PC-to-PC only isntant messaging service with VoIP features including live voice, voicemail and CRM tools.
http://www.on-instant.com

On4 Voip Services
Free PC-to-PC voice and video calling to other registered network users and billable PC-to-PTSN calling service.
http://www.on4.com

One Unified Net
A communications infrastructure provider includes IP systems, services, softswitches, and phones.
http://www.oneunified.net

OneAccess Networks
Broadband access solutions including IP routers, voice over IP (VoIP) and voice over DSL (VoDSL) solutions, concentrators and networks adapters.
http://www.oneaccess-net.com/

Packet8
Voice over internet direct dial service without a PC. Owned by 8X8, Inc.
http://packet8.net

PC2call
PC-phone internet voice service provider based in the United Kingdom.
http://www.pc2call.com/

People Line Communications
Vancouver, Canada based VoIP provider. Includes rate plans, description of technology, and FAQ.
http://www.peopleline.net/pstelco/index.htm

PhoneBoost
VoIP and IP-based telephony service with switchboard, call routing, pbx-style features for businesses with single or multiple locations.
http://www.phoneboost.com

PingTone Communications
PingTone Communications provides outsourced (hosted) Cisco IP phone systems to commercial customers.
http://www.pingtone.com/

PrettyMay Skype CallRecorder & PBX
Skype Call Recording software for Windows, Skype Call Center solutions, and PBX software integrated with Skype VoIP service.
http://www.prettymay.net

Pulse TeleSystems
Offers VoIP services: phone-to-phone, device-to-phone and PC-to-phone in India, Canada, France, Germany, Malaysia, Nepal, Srilanka and UK.
http://www.pulseindia.net

SageVone
Business, residential VoIP calling plans include feature bundles and PBX functionality such as call transfer, automated attendant, call center queuing, conferencing, etc.
http://www.sagevone.com

SIPphone Inc.
Peer-peer calling service. Requires SIP adaptor and phone.
http://sipphone.com

Sirius Telecom
Provider of switch partitioning and hosted softswitch partitioning services. Provides carrier-class switch partitioning and colocation space in Los Angeles and New York City.
http://siriustelecom.com

Skype
Peer to peer internet voice service. Mac, Windows and Linux versions available. Users may call landlines and cellphones for a fee; users may call each other for free.
http://skype.com

Smoothstone IP Communications
Nationwide IP communications provider for medium-sized enterprises. Its platform provides centrally managed, solutions, including VoIP, over a private, nationwide network.
http://www.smoothstone.com

SunISP
SIP based VoIP phones and service plans with focus on Caribbean and South America.
http://www.sun-isp.com/

Super Technologies, Inc
Offers flat-rate unlimited calling within the USA and Canada. Uses analog telephone handsets via broadband telephone adapter.
http://www.virtualphoneline.com

Talafone
Canadian based provider of PC-to-phone and IP phone services and hardware.
http://www.talafone.com

Telovations
Business VoIP provider serving Tampa Bay, FL area.
http://www.telovations.com

Texas Instruments VoIP Solutions
B2B manufacturer of VoIP equipment including IP Phones, VoIP Gateways, High Density Gateways, voice-enabled Cable & DSL Modems.
http://focus.ti.com/general/docs/bcg/bcggencontent.tsp?templateId=6116&navigationId=11903&path=templatedata/cm/general/data/bcgovrvw/voip_solutions

TMCNet on the web
Instustry trade news publisher featuring VoIP news, VoIP forum (including termination routes), call center news, CRM, telecommunications news, and self-produced VoIP tradeshows.
http://www.tmcnet.com

Unified Communications Solutions
ANDTEK develops applications for IP phone-based communications systems and desktop environments. Germany and Singapore-based.
http://www.andtek.com

Vanguard Networks Pte Ltd
Singapore provider of VoIP services including video conferencing, international connectivity, bandwidth management and electronic whiteboard.
http://www.vanguardnetworks.com.sg/

Vinculum Communications
VoIP wholesale international termination services provider.
http://www.vincomm.net

VocalNet
VoIP provider offering residential and business plans.
http://www.vocal-net.net/

Voice over IP Calculator
Free VoIP resources, including online bandwidth calculators, white papers, books, a directory and a forum.
http://www.voip-calculator.com/

Voiceglo
VoIP service offering free and paid plans. Some plans require phone adapter or USB phone with an Internet-connected computer.
http://www.voiceglo.com

VoiceMail Tel
Canadian VOIP service provider. B2C and B2B plans available.
http://www.voicemailtel.com

VoicePulse
VoIP service offering phone-to-phone with device. Various features and calling plans.
http://www.voicepulse.com/

Voip Broadband Phone Providers | Wholesale Voip | SIP & Voice Over IP
Get wholesale voip broadband phones. Voip carriers, hosted voip, sip provider & voice over ip providers.
http://www.globaltelip.com/

VoIP Talk
Offering prepaid and subscription services as well as IP telephony hardware for use with Asterisk and SIP providers.
http://www.voiptalk.org/

Voipia Networks, Inc.
Business and Residential VoIP programs; software solutions for Call Centers.
http://www.voipia.net

VoIPOnline
Voice-over-IP news, supplier directory and chatrooms for discussing related industry topics.
http://www.voiponline.com

VoIPVoIP
Pre-paid VoIP services and calling cards. No monthly fee with in-network restricted incoming calls. Real DID number for monthly fee.
http://www.voipvoip.com

Vonage
Provides voice over internet local dial-tone service. No PC required. Uses analog telephone with broadband telephone adapter.
http://www.vonage.com/

Vonage Forum
News, reviews and forum discussion about Vonage VoIP service.
http://www.vonage-forum.com

VoX Communications
Residential, business and wholesale provider of VoIP services.
http://www.voxcorp.net/

Voxby
Voxby offers IP Phone Services and Wireless VoIP and a variety of other services.
http://www.voxby.com

Voxilla
News, forums, reviews and guides for IP telephony devices and services.
http://www.voxilla.com

WERCS Communications
US-based B2B VoIP telephony provider offering converged ip voice and data network services to customers in Wyoming and Rocky Mountain region.
http://www.wercscomm.com

WhistlerTel Inc.
US provider of broadband internet phone service and voice over IP (VoIP) solutions.
http://www.whistlertel.com

World On IP
Italy-based B2B VoIP provider offering hardware to set-up wireless VoIP networks.
http://www.worldonip.com/voipwirelessphone.htm

SIP Training Blog
Blog covering SIP related topics including training, industry news and product reviews and opinions. Published by The SIP School. [RSS]
http://news.thesipschool.com/sip-blog/rss.xml

VOIPfeed
VOIP telecom news feed. [Atom]
http://www.voipfeed.com/atom.xml