NEC Univerge sv8500 Manual page 871

<Paging Transfer>
After holding a station/trunk call, the holding party can page anyone over the speaker to transfer the call.
Non-Delay system, Delay system, and Paging Transfer Supervision is available.
(1) Hold the station/trunk call
(2) After dialing the access code of Paging, the
transferring party pages Mr.OO over the speaker.
Non-Delay system: wait
Delay system: wait after hang up
Paging Transfer Supervision: release
amplifier speaker
MG-COT
(2)
(1) (3)
(4)
VOL.2-618
MG-COT Card [SCA-6COTB]
Mr. OO.....
(3) Mr. OO answers by dialing the
access code of Paging Answer.
(4) Non-Delay system: After connecting to
the transferring party, Mr.OO can talk to the held
party when the transferring party releases.
Delay Operation: After ringing and connecting
to the transferring party, Mr.OO can talk to the held
party when the transferring party releases.
Paging Transfer Supervision: Mr.OO can talk
to the held party immediately.