ISDN stands for "Integrated Services Digital Network." ISDN is a telecommunications technology that enables the transmission of digital data over standard phone lines. It can be used for voice calls as well as data transfers , supports two channels have as speed 128 Kbps (64 kbps  /channel ) , ISDN Line allows

To make/receive two simultaneous communications, and enables the customer to connect up to 8 devices on one telephone line, Via MSN (Multiple Subscriber Number)

Types of devices connected to ISDN:                                                                           

• Digital Telephone                                                         
• Analogue Telephone                                                     
• Facsimile                                                                     
• Video Telephone                                                         
• PC
• Video Conference Devices       

Benefits:

• Make 2 calls simultaneously
• Efficient Data Transfer
• Fast and accurate sound/image transfer
• Conduct Video-Conferencing                        

The initial total cost of connection fee, deposit fee, TVA, and the fiscal stamp amounts to:
285,000 LL
 
Monthly Charge: 25,000 LL
 
Usage Fee:

• 7AM to 9PM : 49 LL/Channel/Minute
• 9PM to 7AM : 28 LL/Channel/Minute

Note:

• One MSN (Multiple Subscriber Number) is provided for free with the ISDN BRA line, you can add up to six MSN.
• Usage Fee applies to each communication channel being used.
• The Price does not include the termination unit (NTU) at the subscriber premises.
• The ISDN international tariffs are the same as those mentioned in the International Calls section

To use ISDN service, contact corporate@ogero.gov.lb.