Voice Services


CDT-Virtual Operator

ČDT-Virtual Operator provides smaller operator connection to a fixed public telephone network. The product is primarily used by minor providers of voice services who are interested in access to other public fixed telephone networks through the ČD - Telematika telephone network.

Product creates a "virtual tandem exchange" for the customer and allows them to become a "virtual operator". The customer does not have to invest in expensive technology to ensure voice services for their clients, even with a small number of clients.

Service parameters

  • Connection to ČD-T communications network via ISDN PRI port or via SIP protocol
  • Transit call to/from public communications networks from/to the customer network
  • Number portability from existing telephone service operator
  • Continuous network monitoring
  • Technical support and troubleshooting assistance 24 hours a day
  • Per-second billing
  • Peak traffic: weekdays from 7.00 a.m. to 7.00 pm, other periods - low traffic
  • Customer charges the end-users

Main benefits

  • Financial cost savings
  • Possibility of further service portfolio expansion
  • Opportunity to increase sales

Who is the service intended for?

  • Local Internet providers
  • Local CSP/ASP (Content/Application Service Provider)

Supplementary services

  • CDT-Telehousing – we provide the customer with space to place their own transmission technology in our data centers
  • CDT-800 – reverse charge calls

CDT-800

Service ČDT-800 offers reverse charge calls.

The product is suitable for customers who want their clients have a chance to obtain free information. It is one of the most effective means of direct communication with customers.

Service parameters

  • Establishment and operation of 800 XXX XXX number
  • Fax and voice transmission
  • Number portability from other operators
  • Continuous network monitoring
  • Technical support and troubleshooting assistance 24 hours a day
  • Per-second billing
  • Availability from both fixed and mobile networks
  • Number is only available in the Czech Republic

Main benefits

  • Favourable cost price
  • One contact number for the Czech Republic
  • Customers can choose the number

Who is the service intended for?

  • Large and medium-sized companies
  • Government and local government

CDT-Voice Direct

CDT Voice-Direct offers connection of the customer's private branch exchange to the public telephone network.

The product is designed particularly for business customers who need high-quality fixed voice services. The service offers calls within the Czech Republic and international calls, free allocation of user numbers and portability of numbers.

Service parameters

  • Calls within the Czech Republic and abroad
  • Allocation of subscriber numbers for free according to customer needs
  • Phone numbers are published in the phonebook
  • Portability of numbers from current operator
  • Continuous network monitoring
  • Technical support and troubleshooting assistance 24 hours a day
  • Connection to ČD-T communications network via ISDN PRI ports or via SIP protocol
  • Fax transmission to groups G3 2.4 - 14.4 Kb/s, G4 64 Kb/s
  • Data transfer rate in multiples of 64 Kb/s
  • Per-second billing

Main benefits

  • Advantageous prices for five destinations in the Czech Republic and abroad according to customer choice
  • Financial costs savings

Who is the service intended for?

  • Large and medium-sized companies
  • Government and local government

Supplementary services

  • CDT-800 – reverse charge calls

Contact Us

Relevant Products and Services

Data Services

Do you require VPN, quick optical channel connection or constant transfer capacity?

Internet

The CDT-Internet service enables access to the Internet via the ČD - Telematika network