Upgrade Your Business Communications with Reliable SIP Trunking

Power your global communications with scalable, cost-effective SIP trunking from United World Telecom. Our SIP trunking solution (part of our Outbound Calling solution) delivers crystal-clear voice quality, seamless PBX integration, and global reach—all at an affordable price with no long-term commitments.

Reliable, high-quality, and affordable; see why United World Telecom is the best SIP trunk provider for global organizations of all sizes.

A Top Rated SIP Trunk Provider

• SIP trunks available in 160+ countries
• International SIP Termination and dynamic Local Caller IDs for reliable international calling
• Reduce telecom costs with competitive rates
• Inbound Call Forwarding to any destination worldwide
• Enterprise-grade uptime and voice clarity
• No hidden fees, No commitment

How Does SIP Trunking Work?

SIP trunking is a modern telephony solution that allows businesses to make and receive phone calls over the internet using their existing data connection—eliminating the need for traditional phone lines. Instead of relying on physical circuits, Session Initiation Protocol (SIP) enables businesses to route voice, video, and messaging traffic through a virtual “trunk” on the internet.

With SIP trunking, companies can:

• Use local, toll-free, or international SIP trunks to route calls efficiently.
• Manage multiple calls at once with unlimited channels.
• Expand globally while keeping telecom costs low.
• Scale global communication effortlessly by adding SIP channels as needed.
• Improve call quality and reliability with cloud-based infrastructure.

A SIP trunk can hold multiple SIP channels, with each channel supporting one inbound or outbound call. This means businesses can handle multiple calls simultaneously without needing separate physical lines.

SIP trunking seamlessly integrates with on-premise PBX systems, cloud PBX solutions, and VoIP platforms, making it a flexible and scalable communication choice for businesses of all sizes. Whether you’re running a small startup or a global enterprise, SIP trunking ensures efficient, high-quality, and cost-effective communication.

Fast Provisioning

Buy SIP trunks online to connect to the United World Telecom network. We are a top-rated international SIP trunk provider. Each SIP trunk solution includes outbound calling, inbound call forwarding, and many more features. Additional features are available including call recording. We have been in business since 1996, serving multinational organizations with innovative telecom solutions.

International SIP Trunks From Over 160 Countries

United World Telecom has partnerships with Tier 1 carriers around the world, enabling us to serve great SIP trunking call quality at affordable rates. We have SIP trunk numbers available from most of the 195 countries and 4,400 cities worldwide.

• Australia
• Brazil
• British Virgin Islands
• Canada
• Chile
• China
• Cyprus
• France
• Germany
• Hong Kong
• Indonesia
• Ireland
• Israel
• Italy
• Japan
• Malaysia
• Mexico
• Netherlands
• New Zealand
• Nigeria
• Peru
• Philippines
• Portugal
• Romania
• Saudi Arabia
• Singapore
• UAE
• United Kingdom
• United States

How Businesses Use SIP Trunking

• Enter new markets with local numbers and advanced routing
• Reduce costs while making high-quality outbound calls with a local Caller ID.
• Access advanced call management features
• Increase global connectivity and team productivity
• Connect global teams and remote workers on a unified network
• Scale your customer support and sales teams with multiple SIP channels
• Centralize and unify communications.

How Much Does SIP Trunking Cost?

SIP trunk prices vary by country, but each trunk comes with included minutes to make and receive calls. The price is also determined by the following factors:

• Type of outbound calling subscription
• Outbound calling per-minute rates
• Add-ons and premium services
• Low set-up fees

SIP trunk pricing starts at $32.95 for 10 channels by default. Custom SIP trunk pricing is available for larger orders.

How to Set Up Your SIP Trunk Service

We make it easy for any business to set up a SIP trunk service in only a few minutes. There are several ways to set up the service:

1. Buy SIP trunks online directly on our website (above). This takes about 5 minutes and the service can be activated quickly.
2. Call us at 1 (877) 898 8646 and talk to an expert. We have been in business since 1996 with top-quality experts. Contact us to set up your SIP trunk service or for a consultation.
3. Fill out a contact form to request a demo.