Tested with MyPBX (Discontinued)

2talk (New Zealand)
2talk Broadband products offer a low cost and reliable delivery option for your 2talk Cloud PBX and Voice over IP Trunking Services. 2talks solutions include ADSL, VDSL and Dedicated connections over HSNS or Fibre and are engineered to provide the best quality for your 2talk voice service.

Amis (Slovenia)
Amis, founded in 1995, is today the leading alternative provider of integrated communications in the Internet, television and telephony in Slovenia. They have invested in the expertise of staff and the latest technology, and in a few years to offer our customers a complete range of technologically advanced communication services in the field of access to the Internet, Internet services, video conferencing systems and networks, and television service.

Callcentric (USA)
With headquarters in New York City, NY; Callcentric has been providing VoIP phone services since 2005. Callcentric’s portfolio of Business-Grade SIP Trunking Service solutions for residential/business customers includes Voice, Fax, DIDs throughout the US/Canada, international DIDs in over 47 countries, Toll-Free DIDs, and more… Specializing in servicing the BYOD market, Callcentric is proud to maintain the BroadbandReports.com “Gold Award” for over 5 years and their services have consistently been reviewed by leading industry sites/publications as being “Best in Class” for quality, customer service, and overall value.

dus.net GmbH (Germany)
The dus.net GmbH is a young, dynamic and shareholder owned telecommunications company, based in Dsseldorf/Germany. VoIP is their core business. Yeastar MyPBX are fully compatible with dus.net high-load SIP Trunking which called DUStel trunk.

FarEasTone (Taiwan)
FarEasTone Telecommunications (hereinafter abbreviated to FET) was founded on April 11, 1997, a public offering of shares listed company in Taiwan, stock code is 4904. Through considerable technical resources and comprehensive financial capability, it acquired two mobile communications operation permits (GSM900 and GSM1800) in 1997, engaged in rather rapid network construction, and began formal operations in January 1998.

Fibernetics CLEC (Canada)
Fibernetics CLEC is your North American telecom Carrier. Specializing in SIP, Fibernetics CLEC offers the most comparative products using state of the art technology. Their network spans from coast to coast, providing origination and termination services to resellers around the globe. Perating for over a decade in a very competitive landscape our key to success is their focus on customer service.

HKBN (Hong Kong)
Superior voice fidelity makes the other party sound right next to you. ChinaOne deploys the finest sound technology to ensure crystal clear transmission wherever you are. Our global network is the bridge connecting business partners and individuals around the world. It offers both superb speed and efficiency to optimize today’s communications revolution. In pursuance of quality service, ChinaOne adopts intelligent billing system to provide you with precision and reassurance of your IDD calls. Multiple payment methods are available to offer additional convenience.

ippi (France)
ippi is a leading VoIP provider that uses SIP technology, with over 500,000 users in 125 countries. Open an free account at ippi.com and get a fast configuration of your ippi account with Yeastar products. You will also get free calls to other members, SIP users, Google Voice & Skype, plus free DID/iNum and a lot of great features!

ISP Telecom (Canada)
ISP Telecom is a Canadian provider of advanced telecommunications solutions designed to meet the demanding requirements for wholesale, VOIP and ISDN PRIs. The company has been operating as a registered CLEC in Canada since 1998 and was one of the key leaders in transition from traditional TDM to IP based digital phone solutions. The products include SIP Trunking, aggregated PRIs, DIDs and LNP for VOIP and flexible billing systems.

KCT (Korea)
KCT (Korea Cable Telecom) was incorporated in August 2006, to provide CATV system operators with VoIP services on top of broadcasting and high speed internet services. Based on its nationwide network, KCTs state-of-the-art converged services of broadcasting and telecommunications are provided in cooperation with the system operators.

KPNQwest Italy (Italy)
KPNQwest Italy is an Italian company providing telecommunications services to over 3500 Italian companies and operating in the COMM2000 group together with Messagenet and CommStrategy. The services provided cover the most significant technologies in the enterprise such as DSL connectivity and VoIP services for broadband connections and new voice technologies.

Mtel (Bulgaria)
Mtel is the first telecom operator in Bulgaria and one of the most successful mobile operators in Europe which is founded in 1994. They provide customers complete telecommunication solutions – mobile and fixed voice, mobile internet, digital TV and enterprise VoIP communications.

My Business Voice (Australia)
My Business Voice is an Australian based VoIP provider offering white label telephony solutions to our resellers empowering them to offer VoIP products and services to small and medium businesses across the country. We currently offer our services to more than 50 resellers with 10,000+ end users. Our products include VoIP Trunking, DID Porting, Managed billing platform, Hosted PBX and the full range of MyPBX IP-PBX systems. We use the MyPBX systems for the easy to use web interface and rock solid performance along with the extensive business features.

O1 Communications (USA)
O1 Communications has been a leader in the telecommunications industry since 1998, today providing both wholesale and retail services. O1 provides SIP trunking, termination, origination, and toll-free services and works with carriers to design cost-effective solutions based on their unique requirements. O1 operates as a registered CLEC and provides a large footprint and a nationwide network. The company maintains a commitment to providing its customers with pro-active and responsive customer care and support.

Openfone (Spain)
Openfone is a Spanish Company who supplies telephony services, microcomputers services as well as VoIP services to their customers. Openfone has a phone code, given by the CMT (Market Commission of Telecommunications), through which they filed all calls from their customers. Their VoIP services aim to reduce customer phone bills.

Redworks (Netherlands)
Redworks”s Wholesale Carrier and VOIP Provider and provider of business Fixed IP solutions and mobile subscriptions over a redundant telecommunications network.

RingOffice (Canada)
RingOffice is a leading business VoIP provider based in Toronto. We offer excellent local and toll free number coverage in North America and many international destinations. RingOffice business VoIP communication solutions help to improve productivity, increase call quality, enhance functionality and reduce cost. Our highly knowledgable staff is certified on all major brands and ready to help.

Romtelecom (Romania)
Romtelecom Business Solutions division is specifically designed to support the Romanian companies, the performance of communications and IT solutions. It was founded in 2007 as a result of the growing need for specialized and dedicated services for business, companies providing solutions for voice, internet and data hosting and managed services.

Signum Telekomunikacije d.o.o. (Croatia)
Signum telecom offers a wide range of services specialized for business users. Innovative solutions enable the use of broadband Internet to significantly cut the telecom costs. As a specialized SIP provider, we can offer to companies of all profiles, complete IP telecom solution with extremely low prices for calls within the country and abroad.

SK Broadband (Korea)
SK Broadband, Inc. previously Hanaro Telecom, is a Seoul-based Korean Telecommunications company, one of the largest providers of Broadband Internet access in South Korea. The company also is one of the largest Telephone companies in South Korea, one of only two companies licensed to provide Telephone services.

Spirit (Australia)
Spirit is one of the leading full service Telecom providers in Australia. Headquartered in Melbourne, Victoria, they offer SIP trunking via Fibre Optic, Mid-band Ethernet (EoC) and SHDSL access options to customer premises. Spirit operates it’s own national private data and voice network, fully managed end-to-end, which means all calls are carried via private SIP trunks (never over the Internet) resulting in highest call quality and security of the service. Spirit SIP trunking is standards-based and compatible with any number of IP-based or legacy PBX systems.

Telemach (Slovenia)
Telemach company is the leading Slovenian provider of cable TV, telephony and broadband internet services. Through its extensive network based on a combination of optical and coaxial components, and through constant investments in technology innovations, Telemach provides a high level of service to the widest range of Slovenian home users and businesses. The company is owned by Mid Europa Partners group, an investment group operating in Central Europe.

Uniserve (Canada)
Uniserve is a full service telecom company founded in 1988 and publicly trading on the TSXV as USS. Uniserve provides a full suite of products including all aspects of voice services and equipment, cloud and hosting services, data connectivity, and more all under the mandate of quality delivered as value and offered in a complete and simple to evaluate format and backed by our guarantee of satisfaction.

UPC (Romania)
UPC is one of the largest cable communications in Romania who provides cable and satellite television, high speed internet and digital telephony. UPC Romania is affiliated to UPC Broadband, the European division of Liberty Global, Inc., The largest cable communications company in the world. Their customers cover 10 European countries: Hungary, Austria, Czech Republic, Slovakia, Poland, Ireland, Holland, Switzerland, Germany and Romania.

VIVACOM (Bulgaria)
VIVACOM is a leader in developing modern telecommunication services to meet the highest professional standards – from mobile and fixed voice services to high speed Internet access through VIVACOM NET, from data transfer through mobile and fixed services to tailor made telecommunication solutions.

XeloQ IQ-Telephony (Netherlands)
XeloQ IQ-Telephony is a worldwide operating VoIP provider in business since 2002 servicing B2B, consumers and branded, white label resellers. We fully own and completely developed our VoIP systems and backbones ourselves. Currently, we offer our services to 120+ resellers, businesses and end-users in 90+ countries servicing 100,000+ endpoints covering all continents. We offer Hosted + Mobile VoIP, Enterprise VoIP, Business solutions, Call Center solutions, Calling Cards and Unified Communications.