3Com VCX Manual page 81

While on a bridged call, the primary telephone user can also press a free SA line to
transfer the call from a BSA line to a SA line. Or, a call connected on a SA line can be
transferred from the SA line to its BSA line. A secondary telephone user, however, can
only transfer a call from an SA line to BSA line but cannot transfer a bridged call to an
SA line.
Both primary and secondary phones can set up a 3-way conference call on a bridged
line.
Call Park and Bridged Line Calls
Either the primary telephone user or the secondary telephone user can park a call.
When either a primary or secondary telephone user parks a call and the call park
timeout value is reached (the default is 5 minutes), the parked call rings back only on
the telephone that parked the call. For example, if a primary telephone user parks a
bridged call to a Call Park extension and no one picks up the parked call, after 5
minutes the parked call rings back only on the primary telephone that parked the call.
The call does not ring back on a secondary telephone or on any other primary login
instance. When the primary telephone answers the call, the SA status light on primary
telephone lights but the BSA status lights on the bridged phones do not light.
A parked call that rings back on a primary telephone rings on the first free SA line.
A parked call that rings back on a secondary telephone rings on the first free SA line.
If all lines are in use, a parked call that rings back is forwarded according to the enabled
Call Forwarding setting for that phone. If Do Not Disturb is enabled, the parked call is
forwarded to the call coverage point configured for that phone.
Call Pickup and Bridged Line Calls
Call Pickup (both Directed and Group) allows a user to answer a call that is ringing on
another telephone.
For bridged calls, you enter the Call Pickup feature code (455 for Directed) followed by
the group security code and the extension of a primary phone. The call stops ringing on
all primary and secondary phones when the call is picked up. You cannot enter the
extension of a secondary phone. Doing so returns an error, and the call keeps ringing
on all primary and secondary phones.
Attendant Console and Bridged Line Calls
The VCX administrator can map primary telephone numbers and secondary telephone
numbers to buttons on a VCX 3105 Attendant Console. In this case, status lights on the
Attendant Console show that the bridged line is in use for primary and secondary
phones.
Hunt Groups and Bridged Line Calls
A primary or a secondary telephone can belong to a hunt group.
If a primary telephone is a member of a hunt group, a call coming to the hunt group
rings on an SA line on the primary phone. A secondary telephone cannot receive a hunt
group call directed to a primary phone.