1. Press the CA button for the held call.
Result:
The red light comes on and the green light stops blinking. You are reconnected to the call.
Note:
If the call was put on hold at a digital set, you can reconnect on another digital set with the same DN (PDN or SDN). If the call
was put on hold at an analog set, you can reconnect only on that phone.
Transferring a Call
You can transfer an active call (not on hold) to another phone on campus.
1. While on the active call, press
Result:
You hear the dial tone. The red light for that CA goes off, the green light blinks rapidly. The call is held for transfer. You are
given an available CA. If the call is on a DN with no other CAs available, select an available CA of another number.
2. Dial the MIT telephone number to which you want to transfer the call.
3. When the call is answered, announce that you are transferring a call and press
again.
Result:
The call is transferred.
Placing a Conference Call
You can set up a three-way conference call from your digital phone with two other parties on or off campus.
1. While on the active call, press
Result:
The call is held for conference. The red light for that CA goes off, the green light flutters. The next available CA for that DN is
selected and its red and green lights come on; you hear the dial tone. If the call is on a DN with no other CAs available, select an
available CA of another DN.
2. Dial the number of the third party to add to the call.
3. When the third party answers, announce the conference call and press
again.
Result:
You are connected to the other two parties.
Activate Muting
Muting prevents the party on the other end of a call from hearing a conversation at your end. Muting works with both the
Speakerphone and the handset, and is more effective than putting your hand over the mouthpiece.
5ESS Digital (ISDN) Telephone User Guide | IS&T
https://ist.mit.edu/services/telephony/isdnguide
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