This is a telephone service via the public internet, so call, voice over internet protocol (VoIP) with a telephone numbering. The service can be used on any provider’s public internet or any local access point everywhere. It is best for frequent travelers who can virtually make Thailand locals call out with Link numbering and receive Thailand local call in during their business trip as if they were living in Thailand. This service lets the customers need not use costly international roaming on their mobile phones. Link customers can use the service on various equipment including, ATA, IP phone, or NT smartphone application named Link. Customers can choose to apply either postpaid or refill-prepaid services.

Remark: Voice call quality depends on the performance of the internet on the customer side.

How to use the service

Call to other domestic numbers

dial the domestic numbers including domestic fixed-line phone numbers and domestic mobile phone numbers, for example, 02, 038, 08

Call to other foreign countries

dial digits 009 followed by a country code and a subscriber number.

Link postpaid

Monthly charge of 200 Baht/numbering

Special promotion!!  the monthly charge of 200 Baht (not including VAT) can be used as the monthly airtime charge of 200 Baht deductible (not including VAT).

Apply for the service at

  • NT customer service offices

Service application form of Link postpaid

Link prepaid

  • Buy a new or refill at 100 Baht and can use within 60 days.

  • Buy a new or refill at 200 Baht and can use within 180 days

  • Buy a new or refill at 300 Baht and can use within 365 days

Remark : 

The customer can collect the unlimited refill amount and the number of days under the condition that the refill date must be within 30 days from the last remaining date. If the refill date is outside this 30 day window, the system will terminate the Link numbering automatically. The system will update the number of the remaining day soon after the refill process is done.

Special promotion

For the new customer of Link prepaid,

  • Sliver 2,200 Baht:  Get an extra refill of 500 Baht and can use within 90 days.

  • Gold 2,700 Baht:  Get an extra refill of 1,000 Baht and can use within 200 days.

  • Platinum 3,700 Baht:  Get an extra refill of 2,000 Baht and can use within 400 days.

To apply for Link prepaid

  • Via the website  (for credit card payment)

  • Via the website NT shopping (for credit card payment or bank account)

  • Via the application Link

  • NT customer service offices

Refill channels

  • NT customer service offices

  • Counter service (Available until 30 November 2018)

  • Via the application Link

  • Via the website (for credit card payment)

  • Via the application easyBills

  • Via a credit card payment

  • Via the bank account

Link rate

Please select destination country

  • The call is charged per minute

  • All rates are exclusive of 7% VAT and one rate is applied for 24 hours a day.

  • Rates depend on the receiving phone service; fixed-line and mobile are different.

  • For more information, please call NT Contact Center 1888

  • The promotion is available until 30 June 2022

  • The company reserves the right to make changes to the promotion without prior notice

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