A Singapore business number
Explore the national-number category for your incoming customer contact. Current stock is shown in your account.
Business communications in Singapore
A Singapore contact.
Connected to your workflow.
Explore Singapore business number options and outbound calling for your team. Connect customer enquiries through IllyVoIP apps, a compatible SIP system or Voice API.
National numbers · Voice · SIP · Voice API
Singapore+65Singapore. A contact for your business.
Connect with customers in Singapore
An enquiry from Singapore.
A response from your business.
Give customers a contact for account questions, sales discussions and service enquiries. Keep the incoming number connected to the people or application responsible for the response, even when colleagues work across locations.
- Singapore phone numbers
- Your business contact
- Inbound & outbound voice
- Enquiries, sales & follow-ups
- Apps & webphone
- Desktop, mobile & browser
- SIP trunks
- Your existing phone system
- Voice API
- Calling in your application
Singapore virtual phone numbers
A national Singapore number.
A shared business contact.
Singapore national-number stock is listed in the portal. Explore the current +65 offer for your business and connect the active number to a supported calling workflow.
One place for customer enquiries
Connect the active number to supported team calling tools or an eligible application flow.
Singapore business calling & SIP trunks
Follow up on the enquiry.
Keep the account conversation going.
Call supported Singapore landlines and mobiles for account discussions, sales follow-ups and customer callbacks. Use your preferred compatible calling tools alongside the incoming number.
Connect a compatible PBX or SIP device through IllyVoIP SIP trunks. Wholesale voice termination also serves carriers and resellers calling supported destinations in Singapore.
Be there when they call
Singapore customers→Your team
Start the next conversation
Your team→Singapore destinations
Incoming enquiries. Outgoing opportunities.
Voice API for Singapore calling
Let calling become
part of your product.
Bring supported outbound calls into your application with Voice API. Use eligible incoming numbers for greetings, input collection and transfers, and receive webhook events for your own account or support workflow.
Explore the Voice APIYour customerYour application
Voice API
GreetListenConnect
A call flow built around your business
Made for the way you work
The right tools.
For every conversation.
Support customers, keep your team connected and build more into your business calling.
Build a calling interface
Explore Webphone SDK tools for adding browser calling to your own application.
Explore developer toolsShare the incoming workload
Queues and agent workspaces support colleagues handling account and support enquiries together.
Explore contact centerSet calling limits deliberately
Manage country, prefix and maximum-rate controls for your outbound setup.
Explore fraud controlsMake more possible with AI voice agents.
Build automated conversations into your customer experience, alongside the tools your team uses every day.
Singapore business calling
A few things
worth knowing.
Can I explore a Singapore business number?
Yes. Singapore national-number stock is listed in the portal. Browse the current selection in your account.
Does a Singapore number also count as a local number elsewhere in Asia?
No. +65 identifies Singapore. Other countries have separate numbering plans and offers.
Can I call Singapore through my PBX?
A compatible PBX can connect through IllyVoIP SIP trunks for supported Singapore destinations.
Can I build browser calling into my own app?
The Webphone SDK provides tools for a custom browser-calling integration with the appropriate IllyVoIP service.
Are all incoming numbers eligible for Voice API?
Use the Voice API with eligible numbers and supported destinations. Check the available destinations when configuring your selected number.
Start with IllyVoIP
A Singapore contact.
Your workflow behind it.
Create your account and explore the services that fit your business.