Polycom IP 320 Administrator's Manual page 316

Administrator's Guide for the SoundPoint IP / SoundStation IP / VVX Family
Attribute
reg.x.callsPerLineKey
reg.x.bargeInEnabled
reg.x.outboundProxy.address
reg.x.outboundProxy.port
A - 136
Permitted
Values Default
1 to 34 OR 34 OR
24 OR
1 to 24 OR
8 OR 4
1 to 8 OR
1 to 4
0 or 1 Null
dotted-decimal IP Null
address or host
name
1 to 65535 5060
Interpretation
For the SoundPoint IP 650 and 670, the
permitted range is 1 to 34 and the default is
34.
For the SoundPoint IP 550 and 560 and the
VVX 1500, the permitted range is 1 to 24 and
the default is 24.
For the SoundPoint IP 430 the permitted
range is 1 to 4 and the default is 4.
For all other phones the permitted range is 1
to 8 and the default is 8.
This is the number of calls or conferences
which may be active or on hold per line key
associated with this registration.
Note that this overrides
call.callsPerLineKey for this registration.
Refer to Call Handling Configuration <call/>
on page A-80.
If reg.1.callsPerLineKey is set to 1, call
waiting can be disabled.
Note: A call active on another phone on a
shared line counts as a call for every phone
sharing that registration.
Allow remote user of SCA to interrupt call.
(Works in a similar way to resume.)
If set to 1, barge-in is enabled for line x.
If set to 0 or Null, barge-in is disabled for line
x.
IP address or host name and port of a SIP
server to which the phone shall send all
requests.