Q. ISDN is an acronym for (Solved)
1. Integrated Standard Digital Network
2. Intelligent Services Digital Network
3. Integrated Services Digital Network
4. Integrated Services Data Network
5. None of these
- c. Integrated Services Digital Network
1. Integrated Standard Digital Network
2. Intelligent Services Digital Network
3. Integrated Services Digital Network
4. Integrated Services Data Network
5. None of these