Call Offer - Vertical SBX IP 320 Features & Operation Manual

Internet Protocol (H.450)
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Admin Programming
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Call Offer

Call Offer is the same service as Camp-On, except that the Camp-On is executed in a
Networking connection environment at the H.450 protocol standard specification.
When a Station User initiates a Net Call to a busy Station that is located on another networking
system, a busy tone will be heard. At that time, the caller can give a signal to the busy station
by using the Call Offer service. The busy station (through the receiver or on speakerphone) is
notified of the call waiting by a camp-on tone and flashing LED of the [HOLD/SAVE] button.
Operation
To activate Call Offer:
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2.
To answer the Call Offer:
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2.
Conditions
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When the originator does not answer the call back ring within net timer, the call will be
cleared.
There are two CCBS modes-Connection Mode and Disconnection Mode. This can be
selected at (PGM 320).
Networking Basic Attribute (PGM 320)
Dial a valid Station number on another networking system; if busy, the caller will hear a
busy tone.
Press the Camp-On code (*); the busy Station will receive an off-hook muted ring (the
Calling Station will hear a ring-back tone instead of a busy-tone).
Press the flashing CO line button while receiving a muted ring.
-or-
The muted ring is changed to normal CO ring when you go on-hook state.
Then Station User can answer the offered call.
Call Offer is only applied to a station that is in talk status.
During a conference or page, Call Offer is not operative.
The SBX IP 320 System does not support the path reservation mode of a standard QSIG
specification.
SBX IP 320 Features & Operation Guide
109