Best SIP Trunk Providers for Microsoft Teams

Our proprietary technology has been providing telecom services since more than 20 years. We are experts in Hosted IP-PBX and SIP Trunks, Call Center Software, Wholesale, Data Services, etc. Our exceptional service, rates, and products meet the FCC standards for STIR/SHAKEN network compliance. The XCast Unified Communications is Scalable and International with unlimited, free, planet-wide, extension-to-extension, all with a web-based Administrator Control Panel (ACP) to help you manage all your features. Promotional plans: Hosted PBX Basic - $9.95/month Sip Trunking Basic - $4.95/month

Smart VoIP Solution for Teams of Any Size Zadarma replaces traditional phone systems with a cloud-based platform that’s easy to configure and use. Whether you’re a freelancer, small business, or global enterprise — Zadarma scales with your needs. What you get: - Local, mobile, and toll-free numbers worldwide - Virtual PBX with call queues, voice menus, call recording - AI Voice Agent and AI-speech recognition and analytics - Connect multiple offices and remote employees - Affordable call rates and flexible pricing plans - Real-time call statistics and recording storage - Support for IP phones, softphones, and browsers No hardware needed — just connect your team and start calling.

Stop accepting low commissions and partner with RingLogix to realize margins of up to 70% for your managed service provider (MSP) business. Effortlessly generate personalized quotes and enable clients to sign up online with just a few clicks, streamlining the onboarding process. Customers can be automatically activated, and services provisioned directly from any quote, with the flexibility to add additional services as needed. Utilize the integrated billing system to manage subscriptions, implement taxes, send invoices, and facilitate payments with ease. Gain immediate access to call logs, which include SIP ladders, caps, RTP statistics, and much more to enhance your operational insight. You won’t need to invest in new hardware or replace your preferred devices, as RingOS is designed to work seamlessly with all major vendors, and we are always eager to partner with new ones. With our platform, you can quote, activate, bill, and support your own branded services, all through a cohesive, white-labeled interface. Your brand and your customer experience are paramount, supported by our robust platform, which is truly a white-label solution. Exercise full control over everything, from packaging and pricing to features and integrations, ensuring your services meet your unique business needs. This level of customization empowers you to elevate your business and cater to your clientele's specific requirements effectively.

Teliqon is a modern cloud communication platform built to unify business telephony and messaging in a single environment. It enables companies to manage voice calls, SMS communication, and outbound campaigns without relying on complex infrastructure. The solution includes virtual phone numbers, a fully featured Cloud PBX system, and an advanced auto dialer that helps teams automate outreach and improve productivity. Businesses can launch large-scale calling campaigns, handle incoming calls efficiently, and deliver SMS notifications or marketing messages worldwide. Teliqon integrates with CRM systems and internal tools, allowing teams to centralize customer data, track communication history, and automate workflows. This makes it easier to manage sales pipelines, support operations, and customer engagement from one platform. With reliable global connectivity, scalable architecture, and detailed reporting tools, Teliqon supports growing companies and enterprise teams looking to optimize communication processes and expand internationally.

IPFone is a telecommunications provider specializing in cloud communications, internet solutions, and business phone systems tailored for small to medium-sized enterprises. Their extensive offerings encompass services such as UCaaS, VoIP, SD-WAN, contact center solutions, fiber internet, on-site installation, comprehensive training, exceptional customer support, and unlimited international calling. With a commitment to enhancing communication efficiency, IPFone ensures that businesses can operate seamlessly and remain connected.

If you seek top-notch voice, messaging, and additional features, it’s essential to select an API provider that operates its own nationwide network. By cutting out intermediaries, you can reduce expenses, enhance your control, and create the application that your users truly desire. While you may already have experience in this field, a reliable partner is crucial to help you achieve the growth you aspire to. Whether you opt to utilize your own carrier or develop a completely new solution, Bandwidth equips you with the necessary tools to unlock your full potential. Serving as a versatile communications platform, Bandwidth offers extensive flexibility for your needs. You require seamless integrations, robust enterprise-level APIs, and intelligent tools to effectively manage your communication system. We prioritize openness in the areas that matter most to you, providing you with options and control over your operations. Our extensive global network ensures direct connections where it counts, delivering unparalleled reliability. Ultimately, this approach fosters stronger relationships with your customers while allowing your business to scale seamlessly in any direction you choose. Additionally, Bandwidth's commitment to innovation ensures that you are always equipped with the latest advancements in communication technology.

IntelePeer’s Communications Automation Platform (CAP) offers a cloud-based solution tailored to streamline customer interactions and elevate user experiences. This platform integrates seamlessly with enterprise applications, enabling businesses to enhance efficiency, reduce operational costs, and automate communications across multiple channels like voice, SMS, and social messaging. Leveraging generative AI, CAP supports omnichannel communication and adapts to on-premises, cloud, or hybrid infrastructures, making it a flexible choice for modernizing organizational workflows. With robust enterprise-grade security and compliance features, IntelePeer ensures the protection of sensitive data while empowering organizations to optimize their communication strategies.

Intrado's Operator Connect Connect, an official Microsoft direct routing partner is a Microsoft Teams certified phone system. You can chat, call, and even hold meetings all from one place. Operator Connect offers an affordable alternative to Microsoft calling plans if you need commercial flexibility and service in areas that are not covered by Microsoft. You can bring your own SIP solution to expand international coverage. Intrado's cloud first delivery allows you to eliminate local gateways and avoid expensive PRI circuits. This will ensure maximum uptime and reduce the cost of local gateways. Intrado can support all services and integrate with your existing carriers partners or PBX. No need for new hardware. We also offer licensing for Microsoft Teams and Microsoft 365. Find out what you can do with these two popular business solutions. Communication solutions work together better. To simplify your business, consider an all-in one communication suite. It will allow you to use one provider for all aspects of calling, collaboration, and contact center.

The incoming calls to your business are crucial for its success. Alltel’s inbound and virtual services offer unparalleled flexibility and professionalism, ensuring that each call is answered expertly, no matter the time or day. You can maintain strong connections with your clients and team, regardless of your work environment. Our advanced cloud communications technology allows for seamless integration between your office phone system and your employees' mobile devices, enhancing collaboration and boosting productivity. Your business deserves fast and reliable internet; don't settle for anything less. Experience enterprise-grade connectivity, supported by some of the most dependable network providers available in the country. We cater to businesses of all sizes and locations with tailored internet and data solutions. Additionally, alleviate the stress of managing your IT needs by receiving expert guidance and top-notch service from our trusted and certified partners, who specialize in a wide array of IT and technical support services. By choosing us, you are ensuring your business thrives in a fast-paced digital world.

DIDforSale operates as a telecommunications carrier in California, offering a variety of services such as SIP trunking, local DIDs, toll-free numbers, outbound termination, an API, and essential network services like E911, CNAM Lookup, and local number portability (LNP). With over a decade of industry experience, DIDforSale has established itself as a premier provider of wholesale VoIP origination and termination solutions. Our network is finely tuned to ensure a seamless communication experience by significantly reducing the chances of call drops, delays, and audio issues. We collaborate with top-tier service providers across the United States and internationally to ensure your calls are transmitted with exceptional clarity. Expand your local presence with the most comprehensive selection of local phone numbers available in the USA. Simplify your marketing efforts and enhance your impact through bulk SMS campaigns. This approach not only boosts your professionalism and credibility but also broadens your outreach and engagement with customers. Now, you can effortlessly send and receive text messages through automated systems, which can significantly improve your business branding and customer recall. By leveraging these innovative communication methods, you can gain a substantial competitive advantage in your market.

Take charge of your business communications effortlessly, as no technical expertise is necessary. VoIPline Telecom's phone system empowers you with complete oversight of your communications through an intuitive visual block diagram that can be accessed via any web browser. With an easy drag-and-drop feature, you can place over 30 telephony configuration tools onto the canvas, allowing for personalized arrangements to suit your preferences. You can tailor the incoming call flow by connecting various objects, ensuring that the entire process is visually comprehensible even for those without technical knowledge; every step of how an incoming call is managed is clearly displayed. Moreover, you can create multiple separate canvases to organize different call logics through tabs, which helps prevent any confusion that may arise from overloading a single canvas with too many elements. This versatility ensures that your business communication remains streamlined and efficient at all times.

SIP.US is an innovative cloud SIP trunking service tailored to enhance business communication through quick setup, adaptable management, and an array of powerful features. The intuitive self-service control panel empowers users to effortlessly oversee SIP trunks, acquire and manage phone numbers, activate or deactivate services, analyze and export real-time call data records (CDRs), and adjust billing settings, all within a matter of minutes. Additionally, SIP.US facilitates business SMS, offering a secure and immediate messaging platform for interactions with customers and clients. With extensive Direct Inward Dialing (DID) capabilities, businesses can easily search for and order both local and international numbers, most of which can be set up immediately. The service also supports Bring-Your-Own-Bandwidth, granting users the flexibility to select their internet provider and bandwidth, while being compatible with both G.711 and G.729 codecs. Furthermore, SIP.US ensures that businesses can scale their communication solutions efficiently, adapting to their growing needs without hassle.

Gamma offers voice, mobile, and connectivity solutions tailored for businesses of all sizes. Our network is exclusively business-focused, fully owned and operated by Gamma, ensuring that we can provide services with enhanced efficiency. Built from scratch, this network facilitates high levels of automation and a governance framework that guarantees exceptional platform security and service continuity. By utilizing Gamma’s award-winning UC products, companies can enhance productivity, improve agility, and foster greater collaboration. Our offerings include a range of services from messaging and video conferencing to instant conference capabilities, all designed to lower costs and simplify operations while simultaneously boosting employee engagement. As a prominent provider of Unified Communications as a Service (UCaaS) in the UK, Dutch, Spanish, and German markets, Gamma delivers communication solutions through a wide network of reliable channel partners as well as directly to customers. Our commitment to innovation and service excellence positions us as a trusted partner in navigating the evolving landscape of business communications.

Broadvoice enhances communication for small and medium-sized enterprises (SMEs) by integrating robust cloud PBX, unified communications, and collaboration tools with a virtual call center into a single, award-winning Unified Communications as a Service (UCaaS) platform that offers enterprise-level functionalities at competitive prices. This platform operates on Broadvoice’s secure and redundant network and hosting infrastructure, allowing SMEs to connect securely with their customers from any location and through any device. Additionally, Broadvoice has earned recognition in the Deloitte Technology Fast 500 and has been listed among the Inc. 500 Fastest Growing Private Companies in the United States, underscoring its rapid growth and strong market presence. This combination of innovative technology and affordability positions Broadvoice as a leader in the communications industry for SMEs.

Wavetel was founded in 2010 and has since grown to be a major provider of telecom services in the UK, and around the globe. Wavetel began as a wholesale operator that offered Voice, SMS, and Data services to other operators. Wavetel's B2B services were launched in 2013 by the company. These include VoIP telephony services and Connectivity, Virtual Numbers. SIP Trunks. Microsoft Teams Direct Routing. Mobile, SMS, Call Center Solutions are available to its valued clients worldwide. Our voice messaging solutions have evolved over the years to be an enterprise solution. It can integrate with third-party CRMs and business apps through our programmable APIs.

In today's fast-paced environment, the ability for professionals to effectively communicate with colleagues and clients is more crucial than ever. Our telephony solutions are flexible enough to cater to diverse requirements, whether you are in a traditional office setting or working remotely. From fixed and mobile telephony to trunking and contact centers, our business telephony offerings are increasingly versatile. Sewan's solutions are customizable to meet a wide range of demands. The advanced voice technologies integrated into our products ensure exceptional call clarity and unwavering reliability. We understand that business needs can evolve swiftly, allowing for quick adjustments such as adding or removing lines and importing contacts in mere moments. No matter the type of business telephony you opt for, our solutions aim to be as economical as possible, eliminating unnecessary features. Additionally, our offerings are tailored for the global market, ensuring that each package can be modified according to specific requirements. This comprehensive approach helps businesses of all sizes maintain efficient communication channels.

Regardless of the location of your employees, customers, or partners, they are always just a call or text away. Our dependable network facilitates communication on a global scale. Our innovative solutions seamlessly integrate the platforms you rely on, ensuring a smooth experience for both your employees and customers. BICS offers a Communications Platform as a Service (CPaaS) that enables businesses to develop and manage global multichannel communication campaigns effortlessly. With a user-friendly low-code visual builder, companies can create tailored communication workflows without the need for coding, effectively merging various channels. The service guarantees dependable delivery, leveraging BICS' carrier-grade network that spans over 180 nations and connects with more than 900 operators, ensuring high quality, reliability, and security. Furthermore, it integrates effortlessly with existing technology infrastructures, including CRM systems and collaboration tools, thus promoting efficient operations and improved customer engagement. This comprehensive approach ensures that your communications are not only effective but also adaptable to your evolving business needs.

A private branch exchange, commonly known as PBX, refers to a telephone network that organizations utilize to manage both internal and external communications effectively. This system encompasses various features such as call transfers, voicemail capabilities, and interactive voice menus, among others. With the advent of Cloud PBX services, organizations can access not only essential features but also a plethora of additional benefits including enhanced mobility, improved security, and scalability that adapts to current and future needs. By understanding the unique requirements of your business, we tailor solutions designed specifically to address them. Our commitment to transparency and exceptional service positions us as a leading connectivity provider in the market. Recent advancements in technology have enabled reliable voice communication over the Internet, offering lower costs alongside heightened reliability and scalability. We are here to guide you in adopting the latest technologies or transitioning from outdated communication systems. By integrating business connectivity with exceptional customer service, Coeo guarantees reliable, high-quality connections while maintaining industry-leading security standards. Our goal is to ensure your communication needs are met with efficiency and innovation.