Grandstream designs all of their products to be fully interoperable with IPPBXs, traditional PBXs, softswitches, SIP-based platforms and open-source based telephony platforms. Grandstream conducts regular interoperability tests with leading IP and traditional platforms.  Interoperability tests are typically conducted on a case-by-case basis for select customers. Contact us to send us more information about your platform and application to learn more about verifying interoperability.


Alcatel Lucent

Alcatel-Lucent

Alcatel-Lucent is the trusted partner of service providers, enterprises and governments worldwide, providing solutions to deliver voice, data and video communication services to end-users. A leader in fixed, mobile and converged broadband networking, IP technologies, applications and services, Alcatel-Lucent leverages the unrivalled technical and scientific expertise of Bell Labs, one of the largest innovation powerhouses in the communications industry.


Avaya

Avaya

Avaya Developer Community members are a mix of large and small, best-in-class and global companies that have applications, services or hardware solutions that further enhance Avaya’s product and service portfolio.


Broadsoft

Broadsoft

BroadSoft Access partners are technology vendors that provide customer-facing equipment, including customer premises equipment (CPE) as well as network-hosted equipment. Both SIP and MGCP devices are supported. Broadsoft provides VoIP application software that enables the delivery of hosted telephony and multimedia services.


Denwa

Denwa

Denwa is a top provider of softswitches, virtual PBXs, and IP-PBXs for NGN. Its softswitch solutions actively run in more than 30 telephony operators across the globe. IP-PBX platforms, tailored to both SMB and SME markets, have positioned Denwa as first-in-class in the telecommunications field.


Ericsson

Ericsson

Ericsson is a world-leading provider of telecommunications equipment and related services to mobile and fixed network operators globally.


Genband

Genband

GENBAND is a leading worldwide supplier of next-generation IP gateways, session border controllers and FMC security solutions. Fixed and mobile network operators around the world rely on GENBAND’s high-performance, high-security gateway solutions to enhance, secure and evolve their communications networks.


Huawei

Huawei

Huawei is a world-leading telecom solutions provider focused on building long-term partnerships with telecom operators.


IPSMarx

IPsmarx

IPsmarx provides reliable, scalable, intelligent billing and switching software, training, technical support, and wholesale termination services and have enabled ITSPs, carriers and VoIP calling card operators in over 58 countries significantly expand their revenue opportunities.


OnSIP

OnSIP

Now supporting over 25,000 customers, OnSIP is a leading provider of real-time communications services to businesses. OnSIP Hosted PBX supports all Grandstream SIP phones and offers a boot server for easy phone provisioning in minutes. OnSIP customers benefit from an intuitive admin portal and advanced, enterprise-grade applications at affordable pricing.


Metaswitch Networks

Metaswitch Networks

Metaswitch Networks is driving the evolution of communications networks and services. From circuit to packet, TDM to IP. From closed to open, rigid to flexible. From plain old telephony to converged multimedia devices, and yet to be dreamed of applications.


Phybridge

Phybridge’s mission is to bring practical innovations to market that provide customers and partners an easier way to deploy and manage their VoIP installs resulting in reduced total cost of ownership and enhanced return on investment. The award winning Phybridge switches allow for an optimized converged voice and data network; enabling the deployment of IP Telephony to be quick and easy with no network or business disruptions.


Senso Telecom

Senso Telecom

SENSO Telecom is a leading new generation VoIP carrier who operates its own geographic, nongeographic and 0800 numbers. SENSO Telecom addresses each target of VoIP market, from cost effective convergent solutions for enterprises and mobile workers (SIP Trunking), to residential offers for virtual local operators.


Sonus

Sonus

Sonus Networks Inc, providing network transformation through IP communications technology, is leading the evolution of communications networks to support the multi-media, multi-device demands of today’s digital lifestyle.


Telinta

Founded in 2002, Telinta offers secure and reliable cloud-based Switching and Billing solutions for VoIP service providers. Our full portfolio of white label solutions is highly customizable for you and your resellers. TeliCoreTMis our robust platform, integrating world-class carrier-grade Switching and Billing capabilities from PortaSwitch, with Telinta’s own proprietary enhancements. Our cost-effective Class 4 and Class 5 solutions include Hosted PBX, Call Centers and other telephony services. To facilitate high-volume deployments of IP phones, Telinta’s Centralized Auto-Provisioning solution eliminates manual configuration, easily provisioning large numbers of phones in a single step via our convenient web interface.


XCast Labs

XCast Labs is an advanced SaaS
(Software as a Service)
provider that has developed a comprehensive suite of software and hardware solutions that enable Cable MSOs, PCOs, CLECs, RLECs, ISPs, MDUs, Resellers and marketing companies to offer integrated IP-based services to their end-users.


ZTE

ZTE Corporation is a leading global provider of telecom equipment and networking solutions operating in more than 140 countries, servicing 59 of the world’s top 100 telecom operators. It offers a wide choice of products ranging from voice, data, multimedia and wireless broadband services.