Global SIP Trunking / Global SIP Trunk Provider / International SIP Trunking Provider / Global SIP Trunk International Calls
Global SIP Trunking for Reliable International Calling
Connect your existing phone system to AVOXI's global SIP trunking network and start making and receiving calls in 160+ countries – no new hardware, no coding, no compromise on call quality.
Trusted by over 5,000 global brands
Everything You Need to Call the World
AVOXI's global SIP trunking gives you the reach, reliability, and control to run international voice operations from a single provider.
Global Calling
Reach customers and teams anywhere with expansive, carrier-grade international voice coverage.
SIP Integrations
Connect to your existing PBX, CCaaS, or UCaaS platform in minutes, no coding required.
Global Number Inventory
Provision toll-free, local, and non-geographic numbers from 160+ countries instantly.
Award-Winning Reliability
99.995% uptime and a 4.2 MOS score, backed by 24/7/365 support.
INTEGRATIONS
Improve the Tools You Already Use
AVOXI connects to your contact center, unified communications and business app ecosystem
Infrastructure Architecture
How Global SIP Trunking Works
Think of a SIP trunk as a digital highway for your voice traffic. Instead of provisioning a new physical line for every location, your calls travel over the internet through AVOXI's network, connecting to local termination points around the world so you get local call quality and local caller ID, no matter where your customer is calling from.
Voice Integration
Reduce Costs and Expand Reach with Global SIP Trunking
Enhance your existing PBX, CCaaS, or UCaaS platform with international SIP trunking that lowers your calling costs, protects business continuity, and extends your reach into 160+ countries through a single, secure connection.
Outbound SIP Termination
Give your business a global calling presence.
International calling to 160+ countries
Reach customers and offices wherever you do business. Local VoIP termination points in dozens of countries ensure local caller ID on every international call.
Unlimited SIP trunk capacity
Stop paying per channel. AVOXI includes unlimited concurrent calling everywhere it's available, at no extra cost.
Guaranteed local caller ID
Our network is purpose-built for local voice termination, so you get crystal-clear call quality and outbound CNAM that works every time.
Inbound SIP Origination
Manage every incoming call and number from one place.
Manage international numbers at scale
Instantly provision phone numbers from 160+ countries, configure forwarding rules in bulk, and manage every carrier from one intuitive interface.
Track calls and monitor performance
Get advanced call routing and analytics with our Call Insights Dashboard, plus automatic support case creation.
Bulk number management
Buy DID numbers in bulk, then scale easily as your needs change.
Product Tour
AVOXI Premium
Voice Platform
See how easy global voice solutions can be with our
modern cloud voice platform.
Network Reliability
A Global Network Built for Security and Uptime
Highly reliable VoIP service
AVOXI consistently scores above the global standard for "excellent" call quality, backed by 99.995% uptime.
Secure, compliant calling
Every call is protected by TLS and SRTP encryption, 24/7/365 fraud monitoring, and a network engineered to avoid packet loss.
Redundant infrastructure, real support
Our equipment sits in Tier 4 data centers with zero-downtime failover across regions and is backed by the most responsive support team in the industry.
Engie
The big thing that [AVOXI has] done for us is consolidation of services. We have one support number, one carrier for all of our phone numbers, and one system to work with. That used to be a lot more difficult.”
Flutterwave
The major things for us [in choosing AVOXI were] service reliability, omni-channel capabilities, and local numbers across various regions."
JLL
Two things come to mind which are very important... one is the quickness in getting the number, the speed at which you guys execute the numbers for us... and the most important one is the coverage. You actually have coverage globally across wherever we have asked for 99% of the time."
3Shape
The requirements for obtaining numbers in APAC and some European regions were a lot stricter than we'd anticipated. And working with AVOXI during that period really simplified that process for us."
Common Questions About SIP & Integrations
You can deploy international SIP trunks and start managing calls in a matter of minutes.
SIP Trunking
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SIP trunking has emerged as a vital component in modernizing communication infrastructure for businesses. To help you gain a better understanding of this important element of business communication, we’ve compiled a concise SIP trunking guide that highlights what it is, how it works, and the key benefits it can deliver.
What Is SIP Trunking?
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SIP trunking uses the Session Initiation Protocol to set up and manage voice calls over the internet instead of physical phone lines. Rather than running a dedicated line to every location, your business sends voice traffic over an IP network — cutting hardware costs, simplifying management, and making it easy to scale calling capacity up or down as you grow.
Advantages of SIP Trunking
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- Consolidated infrastructure Replace multiple physical phone lines with a single network connection.
- On-demand scalability Add or remove capacity as your business changes, with no new hardware.
- Geographic flexibility Establish a local calling presence in new markets without opening a local office.
- Platform compatibility Integrate with your unified communications, messaging, and collaboration tools.
SIP trunks offer compatibility with various communication channels, allowing integration with unified communications platforms, messaging applications, and other collaborative tools.
In addition to scalability and integration, SIP trunking provides a range of advanced features. With unified communications, organizations can consolidate their communication channels, such as voice, video, instant messaging, and presence, into a single platform. Virtual phone numbers enable businesses to establish a local presence in different geographic locations without the need for physical infrastructure, expanding their reach and enhancing customer interactions.
It’s very important for businesses to select reliable SIP providers. Some of the best ways to gauge a SIP provider are to evaluate their network reliability and quality of service, security, and customer support. - Consolidated infrastructure Replace multiple physical phone lines with a single network connection.
What Is SIP Trunk In Telecom?
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SIP trunking is a fundamental concept in the realm of telecom that revolutionizes the way voice and multimedia communication are routed. Unlike traditional phone lines, SIP trunks utilize the Session Initiation Protocol (SIP) to establish connections over the internet, enabling seamless connectivity between IP-based systems.
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SIP Trunk Requirements
When it comes to SIP trunk providers, it is crucial to consider specific requirements, such as:
- Network reliability
- Service quality
- Security measures
- Customer support
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SIP Trunk vs. PRI
SIP trunks are often compared to Primary Rate Interfaces (PRIs) or traditional phone lines, but SIP trunks generally offer greater scalability.
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SIP Trunk Example
To illustrate a sip trunk example, imagine a multinational company that requires a centralized communication system. With SIP trunking, they can connect their branch offices located in different countries to a central PBX, eliminating the need for individual phone lines at each location.
By understanding what SIP trunking is in telecom, businesses can gain the knowledge they need to leverage this technology for efficient and cost-effective communication. Partnering with reliable SIP trunk providers can also help organizations harness the scalability, integration, and advanced features of SIP trunks in order to optimize their communication infrastructure.
How Does SIP Trunking Work?
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SIP trunking relies on SIP messages for call routing.
- Once the call is initiated, the calling party's system forwards the call to the SIP trunk provider, which routes the call to the intended destination.
- The SIP trunk provider takes into account availability, call routing rules, and any necessary transformations to ensure the call reaches its destination.
This process allows businesses to connect with various networks and reach recipients anywhere in the world, using IP-based communication.
Once the call is successfully connected, the process of establishing a media channel begins. The calling and receiving systems negotiate the appropriate media formats and codecs for the voice and multimedia data exchange. This allows for real-time communication, enabling the participants to engage in voice conversations or transmit video and other multimedia content seamlessly.
- Once the call is initiated, the calling party's system forwards the call to the SIP trunk provider, which routes the call to the intended destination.
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How Many SIP Trunks Do I Need?
To determine how many SIP trunks a business needs, several factors should be considered, including call volume, concurrent calls, and expected growth.
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What Is a SIP Channel and How Many Channels In SIP Trunk?
The number of channels in a SIP trunk is also an important consideration, as each channel can handle only one call at a time. Businesses can typically determine the optimal number of SIP trunks and channels needed to support their operations by analyzing their communication requirements and consulting with a SIP trunk provider.
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SIP Trunk Configuration
Configuring SIP trunks necessitates specific requirements, typically including:
- A compatible IP-based communication system (PBX)
- An internet connection with sufficient bandwidth
- A reliable SIP trunk provider
It is essential to ensure that the network and equipment are properly configured to support SIP trunking. It’s usually best to work closely with the provider to establish the necessary settings for a seamless and reliable communication experience.
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SIP Trunk vs. VoIP
What about SIP trunking vs. VoIP? SIP is the protocol that facilitates many Voice over Internet Protocol (VoIP) calls. While SIP trunking is not required to make VoIP calls, SIP offers added flexibility and scalability, allowing businesses to leverage their existing IP-based infrastructure while benefiting from advanced communication features and cost savings.
SIP Trunk Pricing
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SIP trunk pricing normally involves a range of components that may contribute to the overall cost of implementing SIP trunking. Understanding these factors is crucial for businesses considering the adoption of SIP trunks.
- The initial investment for SIP trunking involves a few upfront expenses, including the cost of an IP-PBX system, which serves as the foundation for handling SIP calls within the organization.
- Compatible hardware (such as SIP-enabled phones or adapters) may be required. It is essential to evaluate existing infrastructure and determine if any upgrades or investments are needed.
- Adequate internet bandwidth is another consideration to ensure smooth and reliable communication.
Recurring fees are another significant aspect of SIP trunk pricing. SIP trunk providers typically charge line rental fees, which cover the connection and availability of the SIP trunk. These fees can vary depending on the number of SIP channels required to support simultaneous calls. Per-channel fees are normally levied for each active call or SIP channel used. It is a good idea to assess your business's call volume and choose a pricing plan that aligns with its needs.
Additional services or features, such as call recording, auto attendants, or virtual phone numbers, may also incur additional charges.
SIP trunk pricing can vary among providers, and it is advisable to research and compare SIP trunk cost and pricing plans. Understanding the SIP trunk pricing structure and assessing the total cost of ownership is essential for businesses that are searching for a solution that meets their communication needs while also aligning with their budget.
Best SIP Trunk Providers
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When it comes to choosing the best SIP providers for business, there are several factors to consider to ensure seamless and efficient communication. SIP trunking offers numerous advantages in modern business communications, and partnering with a reliable sip service provider is essential for unlocking its full potential.
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How to Choose a SIP Trunk Provider
First of all, the best providers offer high-quality and reliable network connectivity, ensuring clear and uninterrupted voice and multimedia communication. This is crucial for maintaining professional and efficient interactions with clients, partners, and colleagues alike.
Secondly, top-notch SIP trunking providers typically offer flexible and scalable solutions. They understand that businesses' communication needs can evolve rapidly, and they provide the ability to easily scale up or down the number of SIP trunks and channels based on demand. This flexibility enables businesses to optimize their communication systems and avoid unnecessary costs.
Finally, the best sip trunk providers prioritize security. They implement robust security measures, such as encryption and authentication protocols, to protect sensitive communication data from unauthorized access and potential threats.
Businesses should also assess the quality of customer support and technical assistance offered when comparing SIP trunking providers. Reliable providers have knowledgeable and responsive support teams available to address any issues or queries promptly, ensuring smooth operations. -
SIP Trunk Solutions from AVOXI
AVOXI is a trusted SIP trunk provider. With the expertise and comprehensive solutions AVOXI has to offer, businesses can streamline their communication systems and improve collaboration. AVOXI’s SIP trunking services offer high-quality connections, scalability, advanced features, excellent customer support, and more.
By exploring SIP trunking as a solution with AVOXI, businesses can leverage the advantages of this valuable technology to enhance their communication infrastructure and drive overall efficiency. With AVOXI as your trusted communications partner, your business can enjoy the benefits of seamless communication and gain a competitive edge in the modern business landscape.
Ready to Simplify Global Calling?
Talk to an expert and see what AVOXI's global SIP trunking can do for your business.
