Grandstream Networks GXV34 Series Administration Guide

Local RTP Port
Defines the local RTP-RTCP port pair used to listen and transmit.
The following rule is applied: N>=0
– Audio RTP port: Port_Value+10*N
– Audio RTCP port: Port_Value+10*N+1
– Video RTP port: Port_Value+10*N+2
– Video RTCP port: Port_Value+10*N+3
– FEC RTP port: Port_Value+10*N+4
– FEC RTCP port: Port_Value+10*N+5
– BFCP Protocol port: Port_Value+10*N+6
– BFCP RTP port: Port_Value+10*N+8
– BFCP RTCP port: Port_Value+10*N+9
The default value is 50040. The valid range is from 50040 to 65000.
Use Random Port
Forces the phone system to use random ports for both SIP and RTP messages. 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.
Hide User Info for
Video Call
Configures whether to display user information in a video call. If set to “Yes”, user information will
not be displayed in the upper left corner of video area during a video call.
Enable in-call DTMF
display
Enables/disables the phone system to omit the DTMF digits displaying from the LCD screen.
The default setting is “Yes”.
Enable LDAP
Timeout Auto
Search
Configures whether to display the matched content automatically in search of the LDAP contacts
when timeout. If set to “No”, users need to click the “Search” button to search the matched
contacts mentioned above.
The default setting is “Yes”.
Keep-alive Interval
(s)
Specifies how the phone system will send a Binding Request packet to the SIP server in order 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.
STUN Server
Configures the URI of STUN (Simple Traversal of UDP for NAT) server. The phone system will send
STUN Binding Request packet to the STUN server to learn the public IP address of its network. Only
non-symmetric NAT routers work with STUN.
The default setting is “stun.ipvideotalk.com”.
Use NAT IP
Configures the IP address for the Contact header and Connection Information in the SIP/SDP
message. It should ONLY be used if it’s required by your ITSP.
The default setting is keep the box blank.
Delay Registration
Configure the specific time for account registration after booting up to avoid centralized
registration. Set the range from 0 to 90s
default value is 0.
Table 26: Phone Settings/General Settings
Phone Settings/Call Settings
Enable Video Call
Enables the video call feature on the phone.
The default setting is “Yes”.
Enable Direct IP Call
Mode
Configures enable/disable direct IP call mode of the phone. If set to "Yes", the feature of direct IP
call will be enabled.
Default is “No”.

Grandstream Networks GXV34 Series Specifications

General

Brand	Grandstream Networks
Model	GXV34 Series
Category	Conference System
Language	English