d. Priority calling. To make a priority call or precedence call, the following procedure is used.
Pick up the handset and listen for a dial tone. Press and release the R key on the keysender pad. Press
and release a numbered key corresponding to these priority levels:
1 .................. PRIORITY
2 .................. IMMEDIATE
3 .................. FLASH
4 .................. FLASH OVERRIDE
Continue with the normal calling sequence by pressing and releasing the numbered keys for the number
NOTES: If you try to make a higher priority call than is assigned to you, the switching
facility will automatically reduce the priority to your assigned level.
Use of priority calling can break in on a conversation already in progress. If a priority
call is placed to a person making a ROUTINE or lower level priority call, the person
called will first hear a two-second, low pitched, dual tone. The other person will hear a
single, high-pitched tone. The old connection will be broken and the priority caller will
be connected to the desired person.
If a priority call is placed when all available trunk lines are busy, a lower priority trunk
line will be freed for the priority call. Both callers on that trunk line will hear a high
pitched tone before being disconnected.
Conference calls. To make conference calls use the following procedure.
a. Broadcast conference. Pick up the handset and listen for the dial tone. If priority calling is
wanted, press the R key and a priority digit Press and release the C key. Listen for the dial tone. Press
digit keys for the number that has been previously assigned to the conference.
b. Progressive conference. Pick up the handset and listen for the dial tone. If priority calling is
wanted, press the R key and a priority digit. Press and release the C key. Listen for the dial tone. Press
the digit keys for the number of the first person. If the person does not answer or the line is busy, press
the R key to release the number. When each person answers, repeat this procedure for each additional
person. A maximum of four people may be called.
c. Meet-Me conference. Pick up the handset and listen for the dial tone. At the assigned time,
press the digit keys for the assigned number.