Clichy, France/Xiamen, China – Aug 28th, 2018 – OpenIP, Unified Communications Operator, French leader in SIP Trunking services, continues its policy of interoperability with the main IPBX publishers and announces the certification of its VoIP solutions with S-Series VoIP PBX of Yeastar. The certification efforts verify compatibility for Yeastar’s S-Series VoIP PBX product line used in conjunction with Openip’s communications services.

As a leading provider of Unified Communications solutions, VoIP PBX systems, and VoIP Gateways, Yeastar have been consistently recognized in the industry for high performance and innovation of its products. Tiptel, a Yeastar authorized distributor in France, spared no efforts to provide regional technical support to this compatible testing. With the successful completion of the interoperability testing, OpenIP and Yeastar can now ensure high-performance operation of OpenIP’s dynamic SIP Trunking capabilities with Yeastar S-Series VoIP PBX.

We are extremely pleased that OpenIP is fully compatible with S-Series and can be listed in our ITSP template,” said Alan Shen, CEO at Yeastar, “Our certification with OpenIP provides our customers with access to reliable, enterprise-quality voice services that are easy and affordable to integrate. The combination of Yeastar and OpenIP gives our mutual customers the innovation of the S-Series VoIP PBX product line with the proven reliability and simplicity of OpenIP.”

Laurent Silvestri, CEO for OpenIP commented: “We are pleased to continue expanding the range of IPBX certified with our SIP trunk solution, even more with products with such high performance. Through this certification we have at heart to allow French resellers to address their customers unified communication and collaboration needs with Yeastar value-added IPBX.”

By continuously upgrading its certifications, OpenIP enables integrators and private installers to provide a high-end service to their corporate customers. Thanks to the OpenIP offer, they can also offer unlimited communications plans, a range of routers dedicated to VoIP, multi-operator Internet access, Unified Communications solutions from the last generations.

To find the configuration tutorials, you can consult the OpenIP Wiki Documents techniques: Configuration du trunk SIP des IPBX certifiés OpenIP /Yeastar :

About OpenIP

Created in June 2005, OpenIP is a SIP trunk and Unified Communications services provider for the French SMB Market. OpenIP owns its Telecom backbone which provides Voice, broadband and Cloud services. With a turnover of €9,6 million in 2016, OpenIP has today a unique VoIP expertise.  OpenIP product portfolio brings on an addictive end-user experience of SIP Trunking, Unified Communications and Collaboration services enabling the digitalization of companies’ workplace. OpenIP’s sales strategy is 100% indirect. OpenIP distribution network is made of 800 IT Resellers, VARs and Services providers who can choose to sell OpenIP brand or their own brand.

Through its Operators’ Division, OpenIP provides an offer of Infrastructure as a Service (IaaS) allowing operators, or national integrators, to build their own solutions choosing among a large range of Telephony and Internet solutions, and Unified Communications services (UCaaS).

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About Yeastar

Yeastar provides cloud-based and on-premises VoIP PBXs and VoIP gateways for SMBs and delivers Unified Communications solutions that connect co-workers and clients more efficiently. Founded in 2006, Yeastar has established itself as a global leader in the telecommunications industry with a global partner network and over 100,000 customers worldwide. Yeastar customers enjoy the flexible and cost-effective communications solutions that have been consistently recognized in the industry for high performance and innovation. For more information about Yeastar or to become a Yeastar partner, please visit:


Eléonore Husson – OpenIP
Tel.: +33 (0)1 84 78 78 80 – Mail:

Aviva LI – Marketing Manager
Tel: +86-592-5503309 – Mail: