SMS Gateway software
Ozeki brings you outstanding
SMS Gateway technology. Use our SMS Server products on Windows,Linux, or Android

Developers can use our C# SMS API to send SMS from C#.Net. The C# SMS API comes with full source code

The ozeki PHP SMS gateway software can be used to send SMS from PHP and to receive SMS usig PHP on your website

SMPP SMS Gateway
SMS service providers use our SMPP gateway solution, that offers a high performance SMPP server and SMPP client gateway with amazing routing capabilities

VoIP service providers

For a list of VOIP to PSTN service providers, indexed by country, please see:

* VOIP Service Providers Residential - for retail level products

* VOIP Service Providers Business - multiline small business products and PBX systems

* VOIP Service Providers B2B - wholesale and bulk products, products for resale\

* Secure VOIP Service Providers - for retail level products

* VOIP Service Providers T.38 - VOIP providers offering T.38 fax service (very few exist)

* RIP VOIP VOIP provider cemetery

* Virtual PBX providers

* DID Service Providers - Providers of DID service

* Toll Free Termination Providers - Dial any toll-free number

* Axvoice - Axvoice is one of the leading VoIP Service providers for home & small business users, offering a remarkable high quality service to their customers worldwide.

* Voip Providers Review- Compare voip providers. Voip providers list.

* VoIP Provider Reviews User reviews on VoIP Service Providers

* VoIP Provider List VoIP provider list by service.

* VoIP Provider directory VoIP provider directory, search by company category.

* VoIP Rate Tracker VoIP provider directory with current rates, rate changes and provider wizard.

* VOIP Providers Comparison site - an ongoing comparison of residential VoIP provider per-minute rates.

* Compare Business Products - Online resource library for phone system information

* VoIP Solutions, Voip Providers VoIP lets you make calls through your computer, sometimes for free. Learn how VoIP and VOIP solutions works, find reviews of VoIP phones, VOIP softwares and learn how to make free VoIP calls.

* VoIP Solutions, Voip Solutions Providers VoIP lets you make calls through your computer, sometimes for free. Learn how VoIP and VOIP solutions works, find reviews of VoIP phones, VOIP softwares and learn how to make free VoIP calls.


Miscellaneous VOIP related services, including peer-to-peer services, are listed below.

Peer to Peer Service

* SIP Global Phone SIP Service Provider - Pay As You Go - and International Calling Cards. Limited Time Offer - Get 100 Free Minutes for creating a FREE account! 10/2010

* VoipPlus Wholesale termination provider, predictive dialer, call center, vicidial, hosted pbx, a2billing, hosted predictive dialer and call center.

*3fon.net SIP service provider from Ukraine, with 800.000 landline numbers (+380894 non-geographic network code) in it's disposal. Main services: Free In-Network Calls and Text Messaging, VoIP International A-Z

* Acepacket - Enterprise and Residential Broadband PBX/VoIP Services support T.38 - Hosted SBC with LCR and integrated billing system and SIP trunking - Contact Center (IVR- VoiceXML /Jabber / Outbound/Inbound Marketing implementation) - Prepaid/Postpaid CDR / Billing - DID provider

* Actio.pl Polish business class VoIP service provider for enterprise, contact center and call center clients. Free polish DIDs.

* Amphone-africa - Free P2P phone, calling cards with competitive rates

* Anveo offers Voice 2.0 Communication and Collaboration Suite with exceptional Visual Call Flow technology. Anveo's integrated Voice 2.0 VOIP, IM and Collaboration suite includes Anveo Communicator with Free Audio Calls, Free Video Calls, IM and more!

* axon IT - UK-based IP telecoms services for SMEs and enterprise level companies. More about our small business VoIP solutions.

* Brama Telecom - VoIP Phone Service provides local phone service and flat rate long distance phone service. Unlimited phone calls within network.

* CHECKBOX, VoIP Carrier, Wholesale A-Z, Retail. We provide VoIP connection worldwide, we have the BEST A-Z rates. Special prices to USA and Canada $0.007 and lower, Direct Routes to many countries.

* Cliconnect - Canada - Brazil

* ComCanada Communications Inc. Retail & wholesale origination, termination, toll free provider supporting P2P, SIP, IAX, hard to find DIDs, hosted PBX and more. Friendly, personalized, and turnkey services offered!

* Online resource library for the latest guides, white papers, webcasts and product information

* Damaka - Skype-like application based on SIP

* DIDLogic.com - Free SIP accounts - P2P, outbound A-Z, Asterisk or any generic SIP softphone supported, use Android or iPhone app, ulaw/G729 ok, Caller ID sent, international DID numbers from $1. Reasonable per-minute rates: many EU mobiles $0.04 to $0.09, India $0.0153, Kazakhstan $0.0131. Instant SIP account activation with just $1 Paypal deposit. Free unlimited SIP-to-Skype offered on all active accounts.

* DingoTel - Free P2P Phone Calls, regular PSTN phone calls, push to talk for walkie talkies.

* Divafone Free P2P phone - U.K. Italy and Romania DID number.

* Encounta, VoIP brandband provider for virtual operators : Ova-IP microgateway with internal LCR and prepaid features for global calling

* Endstream Communications - Wholesale U.S. VoIP termination, DIDs, toll-free origination and termination, calling card services. More Information: endstream

* Free World Dialup, aka FWD

* FriendCaller With FriendCaller one can make free Internet calls and cheap phone calls straight from Internet browser. No Software Installation required. Offers cheap international call rates at as low as 2 cents per minute. Can be use on iPhone, iPad, iPod Touch, Android, Webphone, facebook and as a desktop version.

* GagaPhone offers DIDs around the world as well as outbound call termination.

* Gizmo Project, via SIPphone.com

* Global Voice Carrier - International H323/SIP termination with a focus on South African routes

* HotTelephone.com has relaunched its FREE PC2Phone and Phone2PC service on the Asterisk Platform

* VoIP Carrier, USA Termination, Dialers Welcomed, Call Center Services. We provide VoIP connection worldwide, Call Center Services,


* http://www.jscommunication.uswholesale provider offering toll free origination, us termination, dids and more.

* http://www.mydivert.com - P2P SIP URI

* http://www.quickcomglobal.comVoip Wholesale Service Provider.Provide A-Z Standard, premium and CLI rates. following thirteen Destinations are our Direct/CLI Routes Thailand,Nigeria,India,Malaysia,Bangladesh,pakistan,Jordan,Laos,Germany,Sri Lanka,Macedonia,Singapore,Kazakhstan

* http://www.silatel.com Peer 2 Peer VoIP Services from Europe

* http://www.vocal-solution.com Vocal Solutions Wholesale Voip Route provider for SIP and H.323, Special economy and White routes available for Pakistan, Bangladesh, Egypt, Nepal. Sri Lanka and A to Z available for Retail voip providers

* http://www.voice.vpweb.com Peering Services from USA to Latin America

* http://www.xicomm.com We are offering A-Z and direct routes termination for more than 30 countries around the world in different type of quality suitable for Retail and Wholesale companies.

* iCall offers free outbound long distance, free incoming calls and peer to peer calling.

* ICOA.com Providing VoIP termination to custom VoiceXML Applications

* ikall.net - Wholesale voip provider atoz and pc2phone. wifi phone provider all kind od devices get started in 1 minute after sign up we service worldwide

* INOV5.COM - PC to Phone, Phone to Phone, Calling Cards, SIP Configured ATA Devices, DID Provider.

* Intellect IT provides Voice-over IP consultation, services and equipment.

* Internet phone Service provider reviews - Reviews of uk internet phone service providers.

* Intertel Australian VoIP Service Provider - DID, Voicemail, T38, 1300/1800, Asterisk, IP Centrix services, private IP tails, configuration and consulting.

* IPBusinessFree P2P Phone Calls and pstn calls service, the best prices of call to Peru

* ippi offers free geographical virtual number, free softphone, free voicemail, teleconference and fax2mail.

* IPvaani enables phones to communicate over your existing broadband internet connection to make and receive phone calls for FREE.

* ISPhone Australasia - a leading provider of Voice-over IP services and equipment.

* IsraelNumber.com free in-network P2P phone calles, DID numbers in Israel, cellular access numbers, multi channels solutions, tansfer of calls to Skype users.

* IXO.FI - Service provider/reseller hosting solutions, CallShop , Calling Card, VoIP termination, DID +3589.., PBXs for Corporate and Residential customers.

* Kiwak.net French Operator. Free Call, Voicemail, phone number geographical and number 09X

* MaxiSIP Free SIP service, Free Long Distance Calls!

* MediaRoutes Free SIP service, Free Long Distance Calls and more!

* MIXvoip - Free mixvoip2, mixvoip calls, and free calls to a multitude of numbers in ENUM trees. Our free, top-of-the-line softphone solution runs on Windows, Mac and Linux. We offer P2P solutions for residential, and small to medium businesses.

* MO-Call for computers Free calls between connected MO-Callers with cheap calls to mobiles and landlines.

* myAsterisk South Africa SIP/H323 Termination of GSM calls to all Networks in South Africa!

* Net-Telco - UK VoIP and telecommunications provider. SIP and IAX2 trunking. UK telephone numbers. Wide range of services. Excellent pricing. No contracts.

* Net-Work Inernet Ltd - Internet, ISP, VoIP and telecommunications. One of the first ISP's in the UK established 1996.

* Newik.net Provide VoIP connection worldwide. Free calls to China mobile and landline, landline UK, USA, Canada, Moscow, St-Petersburg. 30 days money back guarantee.

* North Sydney IT Provides peer-to-peer VoIP services and support for Australian business.

* OnSIP SIP Service service for business. Free sip calling with sip domain hosting, free extensions and more.

* PackNet - Business VoIP provider delivering professional and reliable telephony services throughout the UK. More information on business phone systems

* PeerCall - A hardware phone with peer-to-peer service

* PeerioBiz - serverless peer-to-peer package for small-medium size business => version 1.1 Beta is a current release

* Phone-Numbers-UK.com - Providing VoIP Numbers. (12/03/2010)

* PhoneGnome - Free P2P SIP calls. Web-based, PC-based, and hardware (BYOD or custom box). Cheap VoIP-PSTN calls.

* Phoneopia FREE p2p Calls and pstn calls service

* PotatoBoy.COM - free peer to peer phone calls via SIP/IAX2 phone. Also provide quality service to call landline or mobile phones, Click&Call Service, and worldwide phone numbers.

* Quivoice Free P2P comunication, regular PSTN phone calls low rates.

* RAKETU Free, NO SUPERNODES,dialup/broadband, softphone, bridge to Skype,any IM, SMS, ftp, search, travel, news/weather/stock, media player,picture viewer, true p2p technology, RakOut/DialOut calling.

* Remitel - Spanish VoIP provider, long distance calls at low cost rates.

* SendMyCall SendMyCall offers international and local virtual numbers for advanced call forwarding.

* SKM Ltd.free P2P phone calles, DID numbers in Ukraine, Russia, cellular access numbers, multi channels solutions, RoamingSIM.

* Skype now owned by E-bay, one of the best known and largest p2p VOIP services

* SkySipTel.com VoIP Services - VOIP Service provider for residential, small business and large corporates - Free minutes to any destinations on signup.

* Speedflow Communications Ltd. Speedflow Communications is VoIP wholesale/Retail service provider with head office in UK and was founded in 2004. Also we provide Voip solutions like Voip switch class 4,5, universal Billing,etc.

* Talkfly - ABSOLUTELY FREE Peer-to-peer SIP calls vis softphones or SIP hardware. Local DIDs also available to over 7000 ratecenters. Asterisk Supported.

* TELEQUANT P2P - PC to Phone, PC to PC, Free SIP calls.

* Tpad - PC to PC, PC to Phone, VoIP to VoIP, SIP to SIP, Free SIP calls, Free Global SIP Number.

* UBI P2P VoIP Services - P2P VoIP with cutting edge solutions.

* VirPhone VOIP Service provider for residential, small business and large corporates - VirPhone the global VoIP telecommunications company (Franchises Available)

* VOIP Phone Provider

* VoIP Phone Services Wide range of VoIP/SIP call services, call plans and minutes from VoIPon. More information on free services with VoIP minutes..

* VoIP Service Providers Bangalore,India IP Momentum is a next generation VoIP services provider that delivers comprehensive VoIP solutions

* VOIP Tech - www.voipt.net Call Center Services, and VOIP Solutions Provider. One of the Rapidly Growing Call Center in Pakistan, Australia, UAE, USA, UK.

* http://www.voiceall.com/voip_termination - Wholesale VoIP Termination Service for Carriers, Service Providers, Resellers, Call Centers, Call Shops, Business users and High volume usage end customers.

* VOXGATE.BIZ free in-network P2P phone calles, DID numbers in UK, free PSTN calls. Very attractive rates.

* Vphonet - Free calls to other users, free advanced softphone

* Zoonte Click&Call - free peer to peer phone calls via SIP phone. Bottom rate calls to landlines or mobile phones.

* Comtube Ltd - VoIP services provider. Sip, infor,ers, audioconferences, sms bulk sending. Free calls, cheapest rates.

* HATIFIl - VOIP Wholesale VOIP route trade Pakistan gray route pakistan white route bangladesh white and gray route buy and sell routes, online route trade , VOIP route trade

VoIP over 3G/4G Networks

* Live-TechVoIP Over 3G/4G Networks | Installation Of 3G/4G Networks, Hardware | VoIP Networks & Hardware | Sales Service & Support | VoIP Service Provider | DID SIP Toll Free Numbers | VoIP PBX | TalkSwitch | Full Services Company |

* MO-Call Popular mobile VoIP application, which provides cheap international calls, SMS and VoIP calls over Wi-FI and 3G networks.

* Mydivert.com VoIP DID Provider offers local VoIP DID Virtual Phone Numbers. A low cost virtual international telephone number with free incoming calls and call forwarding for 3G/4G Networks

* Cytalk.com CY.TALK® provides Premium quality internet telephony, call forwarding, conference calls, sms, phone numbers, voice mail, cheap calls

* Voiptimizer is for smart phones with 3G/4G/Wifi connectivity. Users receive their calls on VoIP, to same airtime, only if the data connection is perfect. Calls will be forwarded to the actual line if data connection is poor.

Wi-fi GSM VoIP Providers

* Actio.pl Polish business class VoIP service provider for enterprise, contact center and call center clients. Free polish DIDs.

* AGC IT Services High level enterprise VoIP builds and IT services.

* AirTouch Provides Enterprise VoIP products and services.

* Care Telecom Turn your mobile into an office extension with WIFI VOIP from Care Telecom

* CHECKBOX, VoIP Carrier, Wholesale A-Z, Predictive Dialer, Call Center Services. We provide VoIP connection worldwide, Call Center Services, Calling Card, eFax, Broadcast services, we have the BEST A-Z rates. Special prices to ALL USA and Canada $0.0095 and lower NPA/NXX Billing Codes from 0.0039.

* F´┐ŻnSWiTCH - VoIP service provider for Asterisk, FreeSWITCH, SIP, IAX2, Elastix, trixbox CE, FreePBX, etc - Provides IP PBX and SIP solutions & service to Residential, SoHo, and SMBs.

* FAHR TELECOM Full service VoIP provider (videophones, equipment, centrex, IP PBX, SIP IAX Accounts) worldwide.

* Free VoIP Services iptelephony.gr is a Greek Website that offers free VoIP Services to users in order for them to get started with VoIP. Some of the services are: free VoIP number, free number for incoming calls, Voice mail and more..

* Hosted SyncSwitch Service Hosted SyncSwitch does support GSM, G711, G723, G729 and many other codecs

* http://pennywellvoice.com Pennywell Voice is based in the United States and offers SIP origination and termination, Local and toll free DIDs, and e911 services to small businesses with very low prices and commitments

* http://www.astonucs.comVoIP, SIP Trunking, PBX, Dialer

* http://www.cytco.net The low cost VoIP PBX solution in the Middle East , Call Center, IVR , CRM and VoIP equipments (Iran)

* http://www.jetnumbers.com JetNumbers provides virtual phone numbers from all over the world. The calls can be forwarded to any international destination, including a call center, a regular phone line, a SIP phone or even Skype. Free trials are available

* http://www.jscommunication.us VoIP Provider. wholsale toll free origination, dids, us termination, licensed 214 carrier.

* http://www.routeme.net Route Middle East is Egyptian Company based in Canada & Dubai. RouteME is the Main Direct Provider For Egypt white , Middle East Countries,with Direct Interconnection with 5 LDI's on 5 countries on Asia Reigon Pakistan -Bangldish-India-Srilanka ...... RouteME is specialized to work with Retail / Wholesale Carriers around the globe.RouteME offer NEXTONE NEXTPOINT portioning.sales@routeme.net /hazzem@routeme.net.

* http://www.silatel.com WIFI/GSM/VoIP hardware and software products. Also support and consulting in the EU

* http://www.vocalpulse.com Vocal Pulse provides VoIP services such as Call Plans & VoIP minutes. We also provide PBX solutions for SMBs.

* http://www.voice.vpweb.com Providing Enterprise VoIP, Secure Telephone Services, SIP / IAX peering, Residential and Small Business clients

* http://www.voiceoverippbx.com Network Services Group provides hosted VoIP services and equipment.

* IKALL TELECOM ATOZ PROVIDER , Quality service provider with Premium routes and rates. visit www.ikall.net

* IP Gear Qualmax Inc Manufacturer of AES Encrypted VoIP gateway in 4,8,16 port analog and 1,2 T1/E1 for the SMB market. Full service VoIP provider (equipment, billing solutions and direct routes) including Termination Partnerships worldwide.

* IPsmarx Technology, Inc. GSM Solution Provider, GSM Hardware Provider, International Wholesale VoIP Provider, Turn-Key VoIP Solution Provider

* IPtransit SME, Call Centre;s, Military, Corporate provider. Sip, H323, SIP URI, Inbound, LoCall Plans, PC and Mobile Phone clients, fring, well suited to VSAT, SCPC, ADSL, DSL, even Dialup and other contended bandwidth clients, 723.1, &29, 711 and true T38, Calling cards and GSM Gateways, BYOD welcome, test accounts.

* Iristel 100% Canadian Telephone Company. Unlimited Extended plan from $15.95. Iristel seamlessly bridges the gap between IP networks and the PSTN via IP Trunking. Iristel's VoIP solution is ideal for Calling Card, VoIP carriers, CLEC's, Asterisk owners and virtual carriers requiring local service within Canada. Iristel also offers virtual T.38 faxing solutions both inbound & outbound as well as FMC (Fixed Mobile Convergence) solutions for roamers that don't want to pay the roaming fees.

* miniPBX ""The"" low cost VoIP PBX solution in the UK. Fully configured and managed. Small on size big on features.

* MIXvoip - Full service VOIP provider with KIAX softphone solution. Consultancy and support.

* MO-Call provides cheap local and international calls, low cost SMS and low VoIP rates.

* Mydivert.com Wi-fi GSM VoIP Providers offering local VoIP DID Virtual Phone Numbers. A low cost virtual international telephone number with free incoming calls and call forwarding

* Net-Voice UK based VoIP PBX systems. Affordable pricing. Impressive features. Excellent quality. PSTN, ISDN, SIP, IAX2 connectivity. UK support centre.

* Opomi Free calls / minutes to 26 destinations. Cheap calls. 2 free trial calls. Opomi provides the best calls at the lowest prices.

* Radiant Resources, Inc.

* Route323 Route323.com Free VoIP Marketplace

* SKM Ltd. Full service VoIP provider and integrator (videophones, equipment, centrex, IP PBX, SIP IAX Accounts) worldwide.

* soho-voip-phone.comVoip phone, Voip PBx servers, Digium cards, IP Phones and VoIP Equipment for any VoIP Deployment Accessories and more at Direct factory prices - soho-voip-phone.

* Talkfree Telecom Wholesale Voip Provider, A-Z rates, GSM / SIP, 1legcall / Zonefone mobile dialer software, Billing Software, etc.

* VIPN - Voice Internet Phone Network GSM Wi-Fi Mobile phones with VoIP embeded.

* Vocal Solutions Wholesale Voip Route provider for SIP and H.323, Special economy and White routes available for Pakistan, Bangladesh, Egypt, Nepal. Sri Lanka and A to Z available for Retail voip providers.

* VoIP Mobile resource Mobile PBX and MBX online resource

* VoIP Phone Service Call from anywhere in the world where you have access to a wireless Internet connection (Wi-Fi). No roaming charges, no wires!

* VoIP Resource Business VoIP mobile resource

* VoIP Service, Voip Providers VoIP lets you make calls through your computer, sometimes for free. Learn how VoIP works, find reviews of VoIP phones and learn how to make free VoIP calls.

* VPN4VOIP.COM - VPN for VOIP is a low cost SSL based anti-blocking VPN service specially designed for VOIP traffic exchange with best service quality in the market. It bypass ISP blockage on VOIP GSM gateway calls utilizing the VPN tunneling technology and assigns mapped static public IP (5 IP with /29 VLAN) to multi-channel GSM VOIP gateways for wholesale traffic origination and termination business. The service is QoS controlled, secure, flexible and reliable. Wholesaler, ITSP and resellers will get guaranteed ping performance and dedicated bandwidth. It works 100% with any ISP - Only one open UDP port is needed to get the service works perfectly. A free deployed client software will be installed remotely in customers' Windows XP/2003 computer with two Ethernet cards to changes the PC into a soft VPN router. Client side can use any dynamic or private IP connections to use the service, free trial with live VOIP traffic is available.

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