Polycom SIP 3.1 Administrator's Manual page 220

Administrator's Guide SoundPoint IP / SoundStation IP
Attribute
call.singleKeyPressConference
call.localConferenceCallHold
call.transfer.blindPreferred
call.directedCallPickupString
A - 66
Permitted
Values Default
0,1 0
0, 1 0
0,1 Null
star code *97
This attribute also includes:
• Shared Calls <shared/>
• Hold, Local Reminder <hold/><localReminder/>
Interpretation
If set to 1, the conference will be setup after a
user presses the Conference soft key or
Conference key the first time. Also, all sound
effects (dial tone, DTMF tone while dialing and
ringing back) are heard by all existing
participants in the conference.
If set to 0 or Null, sound effects are only heard by
conference initiator (old behavior).
Only supported for SoundPoint IP 550, 560,650
and 670 and SoundStation IP 7000. For all
others, set to 0.
If set to 0, a hold will happen for all legs when
conference is put on hold. (old behavior).
If set to 1, only the host is out of the conference,
all other parties in conference continue to talk.
(new behavior).
If set to Null, the default value is 0.
Only supported for SoundPoint IP 550, 560,650
and 670 and SoundStation IP 7000. For all
others, set to 0.
If set to 1, the Blind soft key appears as a
transfer type.
If set to 0 or Null, the Normal soft key appears.
Note: This parameter is supported on the
SoundPoint IP 330/320 only.
The star code to initiate a directed call pickup.
Note: The default value supports the
BroadWorks calls server only. You must change
the value if your organization uses a different call
server.