Polycom SIP 2.2.0 Administrator's Manual page 197

Attribute
reg.x.ringType
reg.x.lineKeys
reg.x.callsPerLineKey
reg.x.outboundProxy.address
reg.x.outboundProxy.port
Permitted
Values Default
1 to 22 2
1 to max 1
1 to 24 OR 24 OR
1 to 8 8
dotted-decimal IP Null
address or host
name
1 to 65535 5060
Interpretation
The ringer to be used for calls received by
this registration. Default is the first non-silent
ringer.
max = the number of line keys on the phone.
max = 1 on SoundStation IP 4000,
max = 2 on IP 301, 320, 330, 430,
max = 3 on IP 501,
max = 4 on IP 550,
max = 6 on IP 600,
max = 48 on IP 601, 650 (without any
Expansion Modules attached, only 6 line keys
are available)
The number of line keys on the phone to be
associated with registration 'x'.
For the SoundPoint IP 600, 601, and 650 the
permitted range is 1 to 24 and the default is
24.
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-55.
IP address or host name and port of a SIP
server to which the phone shall send all
requests.
Configuration Files
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