1. Conversations are in real time, with little or no lag time

2. You can call a deaf person directly with a ten-digit number

3. There will be no confusion regarding gender (if the deaf person requests an interpreter with the same gender)

4. For unannounced calls, it makes it easier for the deaf/hard of hearing person to explain that he/she is talking through an interpreter

5. For VCO calls, the calls are handled with just one line (with certain providers such as ZVRS)

6. The service is available 24 hours a day, 7 days a week, 365 days a year

7. Most calls are answered within 20 seconds

8. The deaf/hard of hearing person can participate in conference calls.

9. Certain devices (such as the Z-150) have no problems with firewalls (they can traverse firewalls.)

10. You may not realize you are talking to a person who is deaf/hard of hearing!