CAT one-connect
It is a fixed-line telephone service (Fixed Line) with nationwide geographic telephone numbers. Customer simply makes to both local call and international call at affordable rates with premium communication quality.

Service in details

This is a fixed-line telephone service (Fixed Line) which subscriber is directly connected to CAT telephone gateway. In addition to the premium communication quality, customer can makes phone calls to both local/mobile Thailand and foreign destinations at affordable rates. The service is best for supporting business of all sizes from SMEs to large enterprises. CAT one-connect supports for analog line, ISDN-BRI and ISDN-PRI (E1) 30 channels per circuit.

Service charge

One time charge (installation charge)

  • Analog Line 2,000 Baht/circuit
  • ISDN-BRI 2,000 Baht/circuit
  • ISDN-PRI (E1) 50,000 Baht/circuit

Monthly charge (maintenance charge)

  • Analog Line 100 Baht/circuit/month
  • ISDN-BRI 100 Baht/circuit/month
  • ISDN-PRI (E1) 30 numbers 3,000 Baht/month
  • ISDN-PRI (E1) 100 numbers 7,500 Baht/month

Domestic call charge (air time charge)

  • Call to destination numberings within CAT network 1 Baht/minute
  • Call to other fixed-line (Long distance call) and mobile numberings 2 Baht/minute
  • Call to the same fixed-line area/province (Local call) 3 Baht/call
  • Special discount with the committed usage volume


International call charge (air time charge)

Charging is based on CAT 001 and CAT 009 international telephone charging rate with special committed volume discount.


Customer installation site changing fee

  • Changing of installation site after the service delivery date 1,500 Baht/circuit/times
  • Changing of installation site after circuit installation is technically completed during the service delivery 1,500 Baht/circuit/times

Remark : All service charges have not been included the value added tax (VAT).

Service application

Required documents for CAT one-connect

  • Copy of Citizen ID card with verified signature


Download the application for CAT one-connect



In case of the authority is delegated, (complimentary documents)

  • Power of attorney
  • Copy of citizen ID card or passport of both grantor and grantee with verified signature


Further Information


เว็บไซต์นี้ใช้คุกกี้ เพื่อสร้างประสบการณ์นำเสนอคอนเทนต์ที่ดีให้กับท่าน รวมถึงเพื่อจัดการข้อมูลส่วนบุคคลเพื่อให้ท่านได้รับประสบการณ์ที่ดีบนบริการของเว็บไซต์เรา หากท่านใช้บริการเว็บไซต์นี้ต่อไปโดยไม่มีการปรับตั้งค่าใดๆ นั่นเป็นการแสดงว่าท่านอนุญาตยินยอมที่จะรับคุกกี้บนเว็บไซต์และนโยบายสิทธิส่วนบุคคลของเรา