Seamlessly with Global SIP Trunking
Say goodbye to communication barriers. Empower your business with reliable and flexible Voice connectivity. Worldwide.
Why SIP Trunking?
Effective communication is key to success. That’s where our Global SIP Trunking service comes in.
SIP (Session Initiation Protocol) Trunking is a technology that enables businesses to make and receive voice calls over the internet instead of traditional phone lines.
It’s a game-changer for companies of all sizes, offering cost savings, scalability, and improved flexibility.
Imagine having the ability to connect your business seamlessly across the globe, without worrying about geographical limitations or excessive costs.
That’s the power of SIP Trunking. Whether you’re a small startup or a multinational corporation, SIP Trunking offers tangible benefits.

Key Service Benefits

Global Reach
With our extensive network coverage, you can enjoy reliable voice connectivity in over 190 countries. Whether you’re expanding into new markets or managing remote teams, rest assured that your communication needs are covered.

High-Quality Voice
Experience crystal-clear voice quality with a robust infrastructure and advanced codecs. Say goodbye to dropped calls and fuzzy connections, and hello to professional-grade communication.

Redundancy & Reliability
Trust in weSystems’ redundant network architecture, ensuring uninterrupted communication even in the event of network failures or outages. With multiple points of presence worldwide, your business stays connected when it matters most.

Cost Efficiency
Say goodbye to expensive long-distance charges. SIP Trunking leverages your existing internet connection, reducing the need for costly hardware and traditional phone lines.

Comprehensive Add-Ons
We provide a comprehensive range of international services, including DIDs, toll-free numbers, termination, and emergency services, ensuring extensive global coverage. Additionally, our call recording feature allows you to store previous conversations for your business needs.

Flexibility
Work from anywhere, anytime. SIP Trunking enables remote communication, allowing your team to stay connected whether they’re in the office, at home, or on the go. It also integrates seamlessly with your existing communication systems, including PBX and Unified Communications platforms.

Why weSystems?
- Extensive telephony coverage with DIDs available in over 55 countries and toll-free numbers in more than 120 countries
- You receive the most secure phone system, compatible with any legacy IP PBX system
- The pricing is tailored for SMB & enterprises, offering free office-to-office calls and a unified global cost model
- SIP trunking service guarantees high-quality calls at all times
- Utilize our SIP trunks to run your VoIP services for reliable and secure calling
- With a network of virtual phone lines, you expand your global reach without compromising on functionality or cost
- Global SIP-based voice network features industry-leading Session Border Controllers, ensuring effortless scalability
- Compatible with major UC platforms and legacy systems
- Supports direct routing to Microsoft Teams
Related Services

Direct Routing for Teams
Direct Routing for Microsoft Teams enables seamless integration of external phone lines with Teams, allowing for unified communication and streamlined voice calling directly within the Teams platform.

Cloud SBC Management
Cloud SBC Management offers seamless control and management of Session Border Controllers in the cloud, ensuring secure and scalable voice communication across your network.

Voice Migration
Voice Migration is a comprehensive service aimed at smoothly transitioning businesses from legacy voice systems to modern, advanced communication solutions, ensuring enhanced efficiency and scalability.
Frequently Asked Questions
What is a Global SIP Trunk?
A Global SIP Trunk is a centralized IP-based voice connection that allows businesses to make and receive phone calls worldwide using a single VoIP connection across all locations.
What are the advantages of SIP trunking for businesses?
It reduces communication costs, offers flexible scalability, centralizes number management and integrates easily with existing VoIP or cloud phone systems.
How secure is Global SIP Trunking?
Very secure. The Global SIP Trunk uses encrypted transmissions via TLS and SRTP, redundant circuits, integrated firewalls and DDoS protection to ensure uninterrupted voice communication.
Which systems are supported by your SIP trunking for businesses?
Our solution works with all major platforms including Microsoft Teams, Cisco, 3CX, Avaya, Unify, Asterisk and more.
Can I port my existing phone numbers to the Global SIP Trunk?
Yes, globally. We support number porting including country and regional codes, while giving you full control over routing and configuration.
How scalable is SIP trunking for businesses?
Highly scalable. You can add or remove voice channels, international numbers or entire locations at any time to match your business growth.
How is billing handled for the Global SIP Trunk?
We offer flexible billing models based on minutes, channels or flat rates. This is ideal for businesses with consistent or high international call volumes.
What voice quality can I expect from your SIP trunking solution?
Our service delivers carrier-grade quality with HD voice support, low latency and prioritized voice traffic through advanced Quality of Service technologies.
Is emergency calling supported with the Global SIP Trunk?
Yes, emergency services are fully supported. Calls are automatically routed to the nearest emergency center with accurate location identification.
How quickly can SIP trunking for businesses be deployed?
Setup usually takes a few business days. Timelines depend on number porting and the complexity of your existing VoIP or telephony infrastructure.