1. Lift the receiver.
2. Press
2. Enter the appropriate Speed Call code for the desired telephone number.
Result:
The full telephone number associated with the Speed Call code is dialed; the number you are calling will show on phone
display.
Ring, Clock, and Test Buttons
Selecting a Ring Pattern
Your digital phone has eight different ring patterns. This helps avoid confusion over incoming calls if several phones are near each
other.
1. Press
2. Press
Result:
You hear the current ring pattern.
3. Press
Result:
You hear the next ring pattern.
Repeat step 3 to hear each successive ring pattern.
4. When you hear the ring pattern you want, press
Result:
The desk set beeps twice. Your phone will now ring with the selected pattern.
Setting the Clock
The date and time are shown on the phone's display panel when you are not on a call. You can change any part or all of this display.
5ESS Digital (ISDN) Telephone User Guide | IS&T
https://ist.mit.edu/services/telephony/isdnguide
12 of 16
12/20/11 3:12 PM
