GRP260x Administration Guide
Version 1.0.1.18
Phone Settings Page Definitions
Table 10: Settings Page Definitions
Phone Settings → General settings
This parameter defines the local RTP port used to listen and transmit. It is
the base RTP port for channel 0. When configured, channel 0 will use this
port _value for RTP; channel 1 will use port_value+2 for RTP. Local RTP
port ranges from 1024 to 65400 and must be even. Default value is 5004.
Gives users the ability to define the parameter of the local RTP port used to
listen and transmit. This parameter defines the local RTP port from 48 to
10000. This range will be adjusted if local RTP port + local RTP port range
is greater than 65486. Default setting is 200.
When set to “Yes”, this parameter will force random generation of both the
local SIP and RTP ports. This is usually necessary when multiple phones
are behind the same full cone NAT. The default setting is “No”
Note: This parameter must be set to “No” for Direct IP Calling to work.
Specifies how often the phone sends a blank UDP packet to the SIP server
to keep the “ping hole” on the NAT router to open. The default setting is 20
seconds. The valid range is from 10 to 160.
The IP address or Domain name of the STUN server. STUN resolution
results are displayed in the STATUS page of the Web GUI.
Only non-symmetric NAT routers work with STUN.
The NAT IP address used in SIP/SDP messages. This field is blank at the
default settings. It should ONLY be used if it is required by your ITSP.
Configures specific time that the account will be registered after booting up.
Only Allow password with some constraints to ensure better security.
Enable Outbound
Notification
Configures whether to enable outbound notifications such as Action URL.
Configures to turn on/off public mode for hot desking feature.
Public Mode
Username Prefix
Configures the prefix of the username for public mode login.