+1 800.462.8694 U.S. | +1 770.937.9735 Worldwide

Singapore SIP Trunking

Enjoy amazing call quality and 20+ advanced features when you buy Singapore SIP numbers. Try 30 days risk-free.

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Upgrade with Singapore SIP Trunks Today

Singapore SIP trunk service connects your existing phone system to AVOXI’s global VoIP network, reducing your call costs and ensuring call quality worldwide. Singapore SIP trunking from AVOXI includes custom caller ID and outbound calling to any location worldwide. Your Singapore SIP DID number can also be used for inbound call management and includes advanced routing features like time-based routing and simultaneous ringing. There are no setup fees or minimum contracts, and every plan includes 20+ VoIP features at no extra cost. Set up a Singapore SIP trunk plan today and try your service for 30 days risk-free.

Get More from Your Singapore SIP Trunk Provider

There's a reason why so many companies trust AVOXI as their Singapore SIP trunk provider. The benefits of choosing AVOXI include:

  • Reduce call costs up to 50% with amazing SIP termination rates in Singapore and worldwide.
  • Multiple data centers across three continents ensure maximum uptime and amazing call quality.
  • 24/7 technical support, available in English and Spanish, is always available.
  • Activate new Singapore SIP lines instantly from your AVOXI Core User Interface.
  • Earn $25 - $1,000 in credit when you port existing numbers to AVOXI.
  • Singapore SIP trunk plans include 20+ features like custom caller ID, call recording, advanced call forwarding rules, global conferencing and more at no extra cost.  
  • There are no setup fees or contracts. Try Singapore SIP trunking service for 30 days risk-free!
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Why So Many Companies Choose AVOXI's Reliable Service

Cutting Costs (8)

Reduce Cost

Cut your communications cost by up to 50% with SIP trunk solutions customized for your specific needs.

Global Redundancy (12)

Global Redundancy

Data centers across the US, Africa, and Asia give our global network multiple layers of failover to ensure maximum uptime.

Customer Focus (7)

Customer Focus

Each AVOXI customer receives a dedicated account manager focused on your company and specific business needs.

Crystal Clear Call Quality (5)

Amazing Call Quality

Over 98% of calls handled by AVOXI receive MOS scores over 3.5, the global standard for "good" to "excellent" voice quality.

Advanced Features

Advanced Features

Customize 20+ VoIP features, included for no additional cost.

Fast Deployment

Fast Deployment

Deploy your VoIP SIP trunking solution in minutes.

Scalability&Flexibility (6)

Flexible & Scalable

Get up to 480 channels to grow as your business grows.

24-7 Support (17)

Expert Support

Get 24/7 technical support, available in English and Spanish.

Find Out How Much You Can Save with Singapore SIP Trunking Service

How to Set Up Singapore SIP Trunking Today

If you simply need a Singapore SIP DID for inbound call routing and standard outbound calling, you can set up service online by securing a number in the Online Shopping Cart. For custom pricing and detailed SIP termination rates in Singapore and around the world, contact us today!

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Buy Online

Buy Singapore SIP numbers online. After your purchase, an AVOXI specialist will contact you and ensure your service is working according to your preferences.

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Call AVOXI from

 US/Canada: 1 800 394 1980
 Hong Kong: +852 30114974
 Australia: 1 800 834558
 Worldwide: +1 (770) 937-9735
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Get Custom Pricing

If you don’t see the number you need, or if you expect high amounts of call traffic and would like to learn more about discounted rates, let us know!

Find Your Singapore SIP Trunk Numbers Today

AVOXI makes it quick and easy to find the DID number you’re looking for. Popular dial-codes include:

Need Help Finding the Right Number?

Let us help you by searching the largest global database of toll free and local numbers!

Frequently Asked Questions

How long does it take to get Singapore SIP DID numbers?

AVOXI provides Singapore SIP numbers in 24 - 48 hours or less. In most cases, your number is activated the following business day.

I already have a Singapore SIP trunk number, but I want to save money with AVOXI. What can I do?

To reduce call costs or use our service with an existing number, simply transfer your number to AVOXI. SIP number porting is a quick and easy process.

Can I make outbound calls from a Singapore SIP DID number without adding additional trunks?

Yes, we include outbound calling and custom caller ID with any plan.

How else can AVOXI help my business?

In addition to Singapore SIP trunking, popular services from AVOXI include:

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