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ASAI and Feature Interactions
Issue 7 May 1998
12-3
Number of Calls at Analog Sets
A maximum of three calls (one soft-held, one hard-held, and one active) may be
present at the same time. In addition, the set may have a call waiting call.
A request to have more than three calls present is denied. For example, if an
analog set user has three calls present and another call waiting, the user cannot
place the active call on hold or answer the call. The only operations allowed are to
drop the active call or merge the soft-held and active waiting call.
Number of Held Calls
A maximum of two calls may be in a held state at the same time. A request to
have a third call on hold is denied.
Switch-Hook Operation
When an analog set goes on-hook with one or two calls on hold, the user is
audibly notified. This is not reported as an Alerting event. When the user goes
off-hook and is reconnected to the alerting call, a Reconnected Event Report is
generated.
Going on-hook with a soft-held call and an active call causes the two calls to be
transferred from the user’s set. It does not matter how the held call was placed on
soft hold.
Switch-Hook Flash Operation
If a controlled-extension analog user flashes the switch hook to put a call on soft
hold to start a new call:
1. The Hold Event Report is sent to all monitoring associations.
2. A Call Initiated Event Report is returned to all Domain Controlled
associations when the user receives the dial tone.
3. A Reconnect Event Report is returned to all associations if the user returns
to the held call. If the held call is conferenced or transferred, the
Conferenced or Transferred event reports are sent to all associations.
An analog set supports Third Party Merge requests even if the “switch-hook flash”
field on the administration form is set to “no.”
An analog set cannot switch between a soft-held call and an active call from the
voice set. However, with ASAI, this is possible by placing the active call on hard
hold and retrieving the soft-held call.
An analog station cannot use a switch-hook flash to drop a party that was added
by Single-Step Conference. Single-Step Conference does not get the last added
party, nor does it update the state of the analog switch-hook flash.