Thailand BRI-ISDN Line

Quick Info:

  • 3 concurrent calls
  • add up to 10 phone numbers
  • works without Internet connection
  • only 100 THB per channel / month
  • available for all over Thailand

Compatible with:

  • any BRI Gateway

Designed for:

  • Office usage

Recommended Gateways:

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Thailand BRI-ISDN line for FRITZ!Box Fon with BRI port

With VoIP Thailand you can get BRI-ISDN numbers from all over Thailand (Bangkok, Chiang Mai, Hua Hin, Phuket etc)!

ISDN-BRI numbers don’t connect via your Internet line and allow you to make and receive phone calls even when your Internet line is down. An ISDN PRI line allows you to make up to 3 concurrent calls with the option to connect up to 10 phone number to this line. BRI lines are designed for small office usage with up to 10 extension phones.

Analog and digital line phone lines. What’s the difference?

Opposed to analog fixed line phone numbers, BRI phone lines transfer audio signal in a digital format. Both lines are connected via a physical installation in your office however and work even is you have an internet outage. Opposed to SIP trunks, if you are moving to a new office location you will most likely not be able to bring your phone numbers along.

What are the key advantages of ISDN BRI lines?

  • You can attach up to 10 phone numbers to a digital line that can handle 3 concurrent calls.
  • One BRI line can handle multiple calls at the same time. No more “busy” phone lines!
  • The Caller ID allows you to see who is calling and greet your customers by name
  • If you missed a call you can call potential clients back and increase your business turnover by up to 20%
  • BRI ISDN lines work even if your Internet is down
  • Crystal clear voice quality.
  • Cheap calling rates
  • Automatically distribute incoming calls to the right contact person in your team in combination with a FRITZ!Box Fon WLAN 7490 or 7590 with BRI port

Technical Details for the Thailand DID Numbers

  • Numbers are fully interconnected and reachable from any provider within Thailand and overseas.
  • Caller ID (see who is calling / show your number to the other party when making a call)
  • FAX functionally in FRITZ!Box is supported

What does it cost?

Calling Rates:

  • Calling to landline numbers in the same province is charged 3 Baht per call
  • Calling to landline numbers in other provinces the charge is 2 Baht per minute
  • Calling to mobile phones anywhere in Thailand the charge is 2 Baht per minute
  • No charge for incoming calls

Monthly charges:

  • There is a monthly rental fee of 300 THB + VAT

Activation fee:

  • Onetime activation fee of 5000 THB + VAT per for a phone number including 3 channels.

The BRI Number package contains:

  • Your multi-channel Thailand DID Phone Number (from the City your company is registered at)
  • Registration Settings for ONE SIP device

What you need to prepare:

  • A copy of your Thai company affidavit (Nagsue Gablong) – not older than 90 days, all pages, stamped and signed by the company director.
  • A copy of the passport and valid work permit or Thai ID card of the company director with signature on the site.
  • The billing address (if it differs from your company address) (Invoices can only be sent to addresses within Thailand) where you would like to receive your invoices to.

After your place your order we will contact you via email and request the documents needed.

Please contact us before you place an order with your exact address details. This will allow us to check if the service is available in your area! After confirmation from us you can proceed with your order.


SKU: VTBRI Category: Tag:

Service specification

Service delivered via

Application use

Caller ID

Phone numbers attachable

Concurrent calls

Codecs supported


Available Area Codes

Rates within the same area

to fixed line per minute

to mobile per minute

monthly fee per channel

Application / Installation charge

Can be applied for by

Compatible with

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