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SIP Trunk Provider

SIP Solution: Connect Smarter, Talk Better, Scale Faster

What is SIP trunking?

SIP trunking is a way to link multiple communication channels, such as phone lines, within a network. It consolidates these channels so they can share a large pool of resources, like a highway with many lanes for traffic, making communication more efficient and organized.

SIP trunking is the highway connecting your business’s phone system to the internet. It uses the SIP protocol to facilitate voice and unified communications, acting as the bridge between an IP-enabled PBX and the internet telephony world. Think of it as transforming traditional phone lines into high-speed digital communication lanes.

Is it time to get a SIP trunking service provider?

Scalable solutions for every need

SIP trunking services adapt to your business’s growth and changing demands, offering flexible communication capabilities and scalable pricing plans.

Alternative to ISDN PRI trunks

Trunking provides a modern and more flexible replacement for traditional ISDN PRI trunks, maintaining reliability while offering greater scalability.

Reliable backup trunk provider

Ensure continuous communication with trunking as a dependable backup, stepping in during primary service disruptions.

Enhancing sales and marketing strategies

Use SIP trunking to automate critical sales and marketing processes, leading to more efficient operations and improved customer interactions.

Efficient mass notifications

Broadcast important updates across your organization, as trunking supports extensive mass notification capabilities.

Unified communications for connectivity

Trunking unites various forms of communication, including voice, video, and messaging, into one cohesive platform, enhancing collaboration and operational efficiency.

By choosing a powerful SIP trunking provider, businesses can enjoy a range of benefits, from optimized pricing to enhanced communication strategies that can be adjusted based on their needs.

Get more than just a SIP trunking solution

Some providers, such as MightyCall, offer additional features with their product:

  • Toll-free, local, global and vanity numbers: Choose between local numbers for regional presence, expand your global reach with foreign numbers, personalize your contact identity with vanity numbers, or get a toll-free number for the comfort of your customers with voicemail, SMS, and MMS features.

  • CNAM and Caller ID: Identify incoming calls with CNAM and display your business name on caller IDs for outbound calls, enhancing professionalism.
  • Number porting and music on hold: Use existing numbers with our service and customize on-hold music for a better customer experience.
  • STIR/SHAKEN and 911 emergency calling: Advanced caller authentication protocols for security and reliable e911 calling features.
  • Call log: Keep track of all call activities and manage communications on the go:

Call log feature MightyCall


MightyCall’s SIP trunking solution offers these and more features, designed to make business communications work your way.

How to start with a SIP trunk provider?

  1. Assess your requirements: Look at your call volume, desired features, and whether your current system supports trunking.
  2. Choose a provider: Research and select a top SIP trunk provider that meets your business needs and budget.
  3. Set up an account: Contact the provider to set up an account and select your plan.
  4. Configure your PBX: Integrate the SIP trunking provider with your existing system, which may involve some technical configuration.
  5. Test the service: Once set up, conduct tests to ensure everything is working smoothly, including call quality and features.
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MightyCall is the SIP trunk provider you need

Successful businesses choose MightyCall as their partner:

Optimized for scalability:

Scale your communication and adjust the number of channels or features as your business grows.

Quick PBX integration:

MightyCall integrates with your existing system, offering a fast transition to advanced SIP trunk service capabilities.

Best call quality:

Experience superior call quality with MightyCall for clear and professional communications.

Affordable plans:

MightyCall, as a business SIP trunk provider, offers competitive pricing, providing a low cost alternative to traditional telephony without compromising on quality or features.

Reliable customer support:

Our dedicated support team is always available to assist you with setup, troubleshooting, and any queries, ensuring maximum uptime.

Powerful security protocols:

MightyCall is one of the best SIP providers when it comes to prioritizing the security of your communications with advanced protocols, safeguarding your business calls and data.

Fully customizable:

Adjust your service to fit the specific needs of your business with MightyCall’s customizable business phone options.

Excellent feature set:

Access a wide range of features, including voicemail to email, call forwarding, and more, to improve your business communication experience.

Global connectivity:

Connect effortlessly with clients and partners worldwide with MightyCall’s stable international calling.

Got questions?

Our customer care team is standing
by and ready to help you!

MightyCall lets you run business communications your way:   Simple Efficient Organized

See how MightyCall
can help your business

Book demo

No hassle. No commitment.
A 7-day test drive

Start free trial
MightyCall lets you run business communications your way MightyCall lets you run business communications your way MightyCall lets you run business communications your way MightyCall lets you run business communications your way

How does SIP trunking work?

SIP trunking operates by connecting your PBX to the internet, similar to VoIP, replacing traditional telephone lines. It uses the Session Initiation Protocol (SIP) to enable voice, video, and messaging services over the internet. Essentially, it’s like creating cloud lines where data packets containing your voice or video call travel across the web to reach their destination. This technology allows for communication by using your existing cloud connection, eliminating the need for separate phone lines, and enabling more features than traditional telephony.

How much does SIP trunk service cost?

The costs vary across the market, often depending on factors like the number of channels, call volume, and additional features. Generally, prices range from $15 to $25 per trunk per month. MightyCall offers competitive and transparent pricing for SIP trunking services, tailored to meet different business sizes and needs.

SIP vs VoIP: What’s The Difference?

VoIP (Voice over Internet Protocol) is a broad term that refers to any phone call made over the cloud, as opposed to traditional lines. SIP, on the other hand, is a protocol used by VoIP providers but offers more versatility in handling various types of media.

Here’s a comparison table to highlight the main differences between the two business telephony types:

Feature SIP VoIP
Definition A protocol used for initiating, maintaining, and terminating real-time sessions that can include voice, video, and messaging. A broader term for any voice communication made over the cloud.
Functionality Can handle various types of multimedia communications, not just voice. Primarily focuses on voice communications.
Flexibility More flexible in terms of the types of communications it can handle. Generally limited to voice communications without additional protocols.
Usage Commonly used in business environments for unified communications. Used for both personal and business voice communications.
Compatibility Can work with different cloud-based communication systems. Typically requires specific hardware or software that supports VoIP.
Scalability Easily scalable to accommodate growing business needs, allowing for more channels or features as required. Scalability is dependent on the provider’s infrastructure and may require additional resources.
Quality of Service (QoS) Offers enhanced QoS options, ensuring stable and high-quality connections for professional needs. QoS varies with the internet connection and hardware used, potentially affecting call quality.
Cost Costs can vary based on the complexity of the setup and the features required, but it often offers affordable solutions for businesses. Generally cost-effective, especially for individual users or small teams, with flexible plans.

Best SIP trunk providers on the market







MightyCall is a VoIP SIP trunk provider, offering a rich list of features designed for call centers, small businesses, and mid-sized businesses. It combines the efficiency of SIP technology with the convenience of modern telephony. Features include high-quality voice calls, scalable voice channels, and enhanced security measures. Its straightforward setup process and excellent customer support make it an appealing choice for call centers transitioning to trunking.


  • Advanced call analytics & monitoring
  • Roles and permissions
  • Scalable voice channels
  • Direct inward dialing
  • Disaster recovery options


Focused on USA and Canada, but offers services in various countries, ideal for businesses with both local and international needs


  • User-friendly interface with constant updates
  • Advanced security protocols and features
  • High-quality voice transmission


  • May not suit very large companies
  • Limited customization for complex configurations


  • Competitive, with scalable plans based on usage and business size

Best for

  • One of the best SIP trunking providers for call centers, small to medium-sized businesses looking for easy-to-implement software.


Nextiva logo





Nextiva is known as a SIP trunking service provider, catering to businesses of all sizes. Its service is known for reliability and scalability, offering features like unlimited calling, instant messaging, and easy integration with existing systems.


  • Unlimited calling
  • CRM integration
  • Automated greetings


Primarily serves the USA market


  • Unlimited calling within the U.S.
  • Easy integration with CRM tools
  • Strong customer support


  • Higher cost for premium features
  • Complex setup for small businesses


  • Not the cheapest SIP, offers various plans, more suited for medium to large businesses

Best for

  • Businesses seeking extensive features and strong customer support


RingCentral logo fullcolor




RingCentral is a phone service provider particularly favored for its wide range of features and scalability. It offers solutions that cater to diverse business communication needs, from small enterprises to large corporations.


  • Advanced call handling
  • Video conferencing
  • Team messaging


USA and global service provider with a strong presence in major markets


  • Wide range of features
  • High scalability for growing businesses
  • Functional mobile app


  • Can be pricey for small businesses
  • Initial setup can be complex


  • Various pricing tiers, generally higher than average

Best for

  • Businesses needing a functional communication solution


Avoxi logo

Avoxi stands out as a high quality provider, offering solutions for virtual communication needs. Known for its exceptional international call quality and diverse feature set, Avoxi is ideal for businesses operating on an international scale.


  • Global number availability
  • Advanced call routing
  • Multilingual customer support


Wide international reach, catering to businesses worldwide


  • Superior international call quality
  • Extensive global coverage
  • Flexible number porting options


  • Slightly higher rates for international calls
  • May require technical expertise for setup


  • Competitive pricing with special packages for international calling

Best for

  • Global businesses needing reliable international communication solutions


Broadvoice Logo

Broadvoice is a SIP provider that emphasizes solutions for varying business needs. It offers a blend of traditional and modern telephony features, making it suitable for businesses looking for a customized communication setup.


  • Custom-made communication strategies
  • Call management tools
  • Support and training


Strong local presence with options for international expansion


  • Custom solutions for diverse business needs
  • Reliable network infrastructure
  • Excellent customer service with a personal touch


  • Customization may lead to higher costs
  • Limited presence in certain regions


  • Custom pricing based on individual business requirements

Best for

  • Businesses seeking personalized communication solutions with dedicated support

Best practices for choosing a SIP provider

Selecting the top SIP trunk provider for your small business is the primary goal for organized and effective professional communication. Here are some key points to consider:

  • Assess compatibility: Ensure the SIP trunking vendor is compatible with your existing system or any other communication tools you use. This compatibility is vital for a smooth transition and integration.
  • Evaluate network quality and reliability: The provider should offer high network quality, with minimal downtime and disruptions. Reliable service is critical for maintaining consistent communication.
  • Consider scalability: Choose a provider that can scale with your business. As your communication needs grow, your SIP trunking system should be able to adapt accordingly.
  • Examine security measures: Given the sensitivity of business communications, ensure that the provider offers excellent security features to protect your data and prevent breaches.
  • Review cost structure: Analyze the pricing plans in detail. Look for transparency in pricing with no hidden fees, and ensure that the cost aligns with your budget and the services offered.
  • Look for quality customer support: Responsive and knowledgeable customer support is essential, especially during the initial setup phase and for ongoing maintenance.
  • Check for additional features: Consider the extra features offered by the SIP service provider, such as call analytics, voicemail to email, and advanced call routing. These can add significant value to your communication systems.
  • Read customer reviews and testimonials: Customer feedback can provide insights into the provider’s service quality and reliability. It helps to hear from businesses with similar needs to yours when choosing the best SIP trunk provider.
  • Investigate compliance and regulatory standards: Ensure the provider adheres to industry regulations and compliance standards. This is crucial for legal reasons and to maintain the integrity of your communications.
  • Explore international options: If your business requires international communication, verify that the provider offers adequate support and favorable rates for international calls.
  • Assess setup and transition services: Look for providers that offer clear setup and transition (number porting) services. Smooth implementation is key to minimizing disruption to your business.
  • Verify Service Level Agreements (SLAs): Check the provider’s SLAs for uptime guarantees, quality of service, and response times for support requests. This will give you a clear understanding of what to expect in terms of service reliability and support.

By carefully considering these factors, you can select a SIP service that not only meets your current communication needs but also supports the future growth of your business.

Your business and a SIP service provider

It’s clear that choosing the right SIP trunking service for your small business can significantly transform your business communications. From better flexibility and scalability to cost efficiency and advanced features, the right solution can cater to a myriad of business needs, ensuring your communication infrastructure is both organized and future-proof.

MightyCall aligns perfectly with these needs. Our solution is made to help you build business communication your way, offering reliability, scalability, and a suite of advanced features, all supported by exceptional customer service. Let MightyCall be your partner in revolutionizing the way you connect.


MightyCall lets you run business communications your way:   Simple Efficient Organized

See how MightyCall
can help your business

Book demo

No hassle. No commitment.
A 7-day test drive

Start free trial
MightyCall lets you run business communications your way MightyCall lets you run business communications your way MightyCall lets you run business communications your way MightyCall lets you run business communications your way