Grandstream Networks GXP2120 User Manual

FIRMWARE VERSION 1.0.6.11 GXP2120/GXP2110/GXP2100/GXP14xx USER MANUAL Page 57 of 81
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header information for attended transfer. The default setting is "No".
Transfer on Conference
Hangup
Defines whether or not the call is transferred to the other party if the initiator of
the conference hangs up. The default setting is "No".
No Key Entry Timeout (s)
Defines the timeout (in seconds) for no key entry. If no key is pressed after the
timeout, the digits will be sent out. The default value is 4 seconds.
Use # as Dial Key
Allows users to configure the "#" key as the "Send" key. If set to "Yes", the "#"
key will immediately dial out the input digits. In this case, this key is essentially
equivalent to the "Send" key. If set to "No", the "#" key is included as part of the
dialing string.
Hold Method
Specifies Hold method to Auto or RFC3264. Auto is to satisfy both rfc3264 and
rfc2xxx for the maximum capability.
DND Call Feature On
Configures feature code to turn on DND
DND Call Feature Off
Configures feature code to turn off DND
SETTINGS PAGE DEFINITIONS
Settings -> General Settings
Local RTP Port
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. The default
value is 5004.
Use Random Port
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 "Yes"
(This parameter must be set to "No" for Direct IP Calling to work).
Keep-alive Interval
Specifies how often the phone sends a blank UDP packet to the SIP
server in order to keep the "ping hole" on the NAT router to open. The
default setting is 20 seconds.
Use NAT IP
The NAT IP address used in SIP/SDP messages. This field is blank at
the default settings. It should ONLY be used if it's required by your ITSP.
STUN Server
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.
Public Mode
Configures to turn on/off public mode for hot desking feature on the
phone. If set to "Yes", users would need fill in the SIP Server address for
account 1 as well. Then reboot the phone. When the phone boots up,
users will need enter SIP User ID and Password on the LCD to login and

Grandstream Networks GXP2120 Specifications

General

Brand	Grandstream Networks
Model	GXP2120
Category	IP Phone
Language	English