Yeastar Supported SIP Trunk Providers

These SIP trunk providers have been tested by Yeastar

Actio (Poland)

Established in 2006, is a Polish business class VoIP service provider for enterprise, contact center and call center clients. Actio is a comprehensive alternative to traditional phones, offering a huge saving – no fee, low call rates, free telephone numbers. Every account provided by in the business offer, has the ability to place unlimited numbers of simultaneous calls at one moment. Telephone services are provided on the basis of own telecommunications network.


Alfadom (Italy)

Alfadom, an Italian provider of VoIP telephony, delivers on all the Italian territory an innovative telephony service for residential and business. Using voice systems over the Internet (VoIP) – which allows a significant reduction in the cost of phone calls – Alfadom offers Residential and Business Price Plans which include the use of exclusive services.


babyTEL (Canada)

Since 1991, babyTEL has been delivering high-quality voice and fax communications services including VoIP based cloud business phone, home phone, SIP Trunking, T.38 Fax, electronic fax, and smartphone apps to individuals and businesses all over the country. babyTEL understands the need to both stay connected, and to protect sensitive information in today’s increasingly connected world.


BT (United Kingdom)

BT is one of the world’s leading communications services companies, serving the needs of customers in the UK and across the world, where we provide fixed-line services, broadband, mobile, and TV products and services as well as networked IT services.


Call-a-Cloud (Malaysia)

Call-a-Cloud is a leading VoIP Service Provider in Malaysia. Our business-grade SIP services ideal for many SME and enterprise businesses, taking advantage of state-of-art VOIP technology with localized numbers covering Johor, Kuala Lumpur, Penang, and others Toll-free DID. Specialized in both Shared or Dedicated Cloud-based PBX services, offers customers a complete range of business communication needs.


CalnCall (Singapore)

CalnCall is a leading VoIP Service Provider in Singapore. Our business-grade SIP services ideal for many SME and enterprise businesses, taking advantage of state-of-art VOIP technology with localized numbers and others Toll-free DID. Specialized in both Shared or Dedicated Cloud-based PBX services, offers customers a complete range of business communication needs. Our crystal-clear call quality and after-sales services differentiated us from competition.


ePhone (Greece)

ePhone is a leading Internet Telephony Service Provider (ITSP) located in Greece. ePhone provides worldwide high-quality call termination with CLI warranty, Geographical Numbers to more than 60 countries, Toll-Free Numbers, Premium Numbers, Virtual and Cloud PBX services, Cloud Contact Center Platform with Inbound/Outbound handling and Predictive Dialer, Fax to Email, Conference Rooms, SMS and many other Internet Telephony Services at a very competitive price.


FreePhone (Poland)

FreePhone, founded in 2006, is a Polish VoIP provider, delivers across the country, innovative telephony service for residential and business customers. We currently offer our services to more than 50 resellers and 10,000+ end users. Our products include VoIP Trunking, DID Porting, Managed billing platform, Hosted PBX, and the full range of S-Series IP-PBX systems. We use the Yeastar systems for the easy to use web interface and rock-solid performance along with the extensive business features.


Gamma (United Kingdom)

Gamma is a rapidly growing and award-winning technology-based provider of communications services to the UK business market. Gamma’s services, such as Cloud PBX, Inbound call control services, and SIP trunking, are designed to meet the increasingly complex voice, data, and mobility requirements of businesses, through the exploitation of its know-how and own intellectual property.

Gamma Yeastar ITSP logo

IP Telecom (Ireland)

A wholly Irish owned company, IP Telecom’s sole focus is to provide superior voice solutions to the Irish business community. IP Telecom remains independent of traditional Telecommunications Companies allowing our customers to choose the best fit for their voice and data requirements while providing our advice to you based on a combined experience of over 50 years in the Irish and International Telecommunications market.

IP Telecom

iWay AG (Switzerland)

iWay AG, one of the leading Swiss internet service providers for smaller and medium-sized enterprises (SMEs) and is a service provider offering solutions for the Internet, networking, cloud services, hosting websites and managed virtual servers, and communications solutions.

iWay AG

Optical Networks (Peru)

Optical Networks, compañía peruana de Telecomunicaciones que cuenta con más de 20 años de experiencia en el mercado peruano, atendiendo exclusivamente al sector empresarial con la provisión de Internet Dedicado de Banda Ancha, Transmisión de Datos, Telefonía Fija, Seguridad Gestionada, Data Center, Servicios en la Nube y Streaming, entre otras soluciones de alto valor agregado que complementa su portafolio de servicios para interconectar los negocios en la Red.

Para ello disponemos de una Red Metropolitana de Alta Velocidad, propia, cuya tecnología de fibra óptica y protocolo IP de última generación, les permite alcanzar velocidades extraordinarias y disfrutar de un servicio estable complementado por una atención de calidad premium a cargo de un personal especializado, competente y altamente capacitado que, con probada eficiencia, brinda asistencia pertinente y confiable, acorde con los estándares internacionales.

optical logo

Parlanet (Italy)

Parlanet is a young company but with over 15 years of experience in VoIP telecommunications. Our goal is to build a completely personalized service, calibrated to the needs of each customer. We do not have call centers, but a group of assistants, who will take care of every customer, following it in the delicate migration, from traditional telephony to VoIP. That’s the way we relate to customers, which allows us to provide embassies, government agencies, and international caliber companies.


PLDT (Philippines)

PLDT is the leading telecommunications service provider in the Philippines. Through its principal business groups – fixed line, wireless and others – PLDT offers a wide range of telecommunications services across the Philippines’ most extensive fiber optic backbone and fixed line and cellular networks. PLDT is listed on the Philippine Stock Exchange (PSE:TEL) and its American Depositary Shares are listed on the New York Stock Exchange (NYSE:PHI). PLDT has one of the largest market capitalizations among Philippine-listed companies.


StarHub (Singapore)

StarHub is Singapore’s fully-integrated info-communications company, offering a full range of information, communications and entertainment services for both consumer and corporate markets. StarHub operates an extensive fixed business network that provides a wide range of data, voice and wholesale services.


SoTel Systems (United States)

With SoTel Systems SIP Trunking services, you can realize tremendous savings on your communications while ensuring a more reliable and resilient infrastructure for your business. No matter what phone system you currently have, you can always take advantage of SIP Trunking from SoTel without replacing any of your existing equipment. SoTel offers both unlimited and metered service plans that will fit the communications needs of any business.

SoTel Systems

TalkTalk Business (United Kingdom)

TalkTalk Business is one of the UK’s fastest-growing B2B telecoms providers, offering a full range of business-grade communications products and services, spanning internet access, data, voice, and mobile. Our mission is to deliver what matters most to our 180,000+ business and public sector customers, and 800+ Partners, through reliable, easy-to-use, innovative, great value solutions.

TalkTalk Business

TIGO (Bolivia)

Telefónica Celular de Bolivia S.A. (TELECEL), filial del grupo empresarial MILLICOM INTERNATIONAL CELLULAR S.A. (MICSA), con sede en Luxemburgo, operando también en Londres y Miami; MILLICOM tiene presencia en 14 países en América Latina y África, permitiendo crear una comunidad TIGO de más de 60 millones de usuarios en telefonía móvil, de los cuales, aproximadamente 1 de 4 comparten datos, tienen acceso a internet y disfrutan de música y videos 2 (G4-6).


VoipTel Internatonal SA

VoipTel International SA is a telecommunications operator for small, medium, and large businesses and it was founded in 2008 in Lugano. Each customer is assisted by two dedicated people in the administration, sales, and assistance departments. VoipTel was grown quickly thanks also to its strong relationships with local swiss partners. VoipTel’s business core is to provide:
• Telecommunications services: offering advanced VoIP communications solutions with many plus services.
• Cloud: offering virtual services both standard and on projeect.
• Internet: offering professional services of internet connections both VSSL and fiber
• Computer technology: offering information technology services with VoipTel Service.

Voiptel Italia

VoipTel Italia (Italy)

VoipTel Italia Srl is an Italian telecommunications operator linked to the headquarter VoipTel International SA in Lugano, Switzerland. VoipTel Italia believes in the high potentiality of the network market and invests in strong relationships with local partners to offer the best quality services. VoipTel Italia is specialized in:
• Telecommunicatonn services: offering advanced VoIP communications solutions with many plus services.
• Cloud: offering virtual services both standard and on proeect.
• Internet: offering professional services of internet connections both ADSSL, TTT, and TTTF
• Mobile nubncriptonn: offering different mobile plans with TL Soluzioni Aziendali

Voiptel Italia

VoipQ (Netherlands)

VoipQ is a Dutch VoIP operator and telecom-supplier. They specialize in providing SIP-solutions for PBX-systems, Managed PBX-systems, SIP-trunks, Hosted VoIP/PBX (IP Centrex) solutions, mainly targeted for the SME-market directly, as well as via our partner- and reseller-network.


Voxbone (United States)

Voxbone is the market leader in providing worldwide geographical, toll-free, and geographically-independent telephone numbers, enabling Internet communications services providers, global carriers, national operators, and enterprises to extend the reach of their voice services internationally, rapidly and with minimal costs. The company delivers high-quality inbound communications (often referred to as direct inward dialing, or DID) from more than 50 countries and more than 4,000 cities around the world, as well as the first emergency-calling service accessible in multiple European countries from a single IP-based interconnection.


VozTelecom (Spain)

VozTelecom is a communications operator 100% specialized in the business segment. The company, which has been listed on the alternative stock market since July 2016 (VOZ: SM), offers a complete and innovative portfolio of communications services under the OIGAA brand name. Founded in 2003 and based in the Vallés Technology Park (Barcelona), it offers its services through an extensive distribution network with a presence throughout Spain. With the aim of becoming the main operator for companies in Spain, the company is in the process of expansion in which it is committed to opening new Service Points and expanding its distribution network in the main provinces. The company currently has a team of more than 150 professionals, who serve more than 40,000 users of OIGAA services, with their own support and customer service team. VozTelecom since its inception has made a significant effort in development and R&D, recognized by numerous international awards, while at the same time it has obtained the seal of Pyme Innovadora awarded by the Ministry of Economy and Competitiveness.