Chapter 2. ISDN Service
B1 (previously Generic Data B)
•1B service
•Data only
•One directory number
Capability C (previously Generic Data C)
•1B service
•Alternating voice and data
•One directory number
I2 (previously Generic Data I-1DN)
•2B service
•Data only
•One directory number
I2 is not available for services provided by a Northern Telecom switch. Two directory numbers are required for 2B operation. In this case, use Capabil-
ity R.
J3 (previously Generic Data J-1DN)
•2B service
•1B alternating voice/data, 1B data only
•One directory number
J3 is not available for services provided by a Northern Telecom switch. Two directory numbers are required for 2B operation. In this case, use J2.
ISU 2x64 Dual Port ISDN Service Unit User Manual | 11 |
