Administration Guide

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WP820 Administration Guide
Version 1.0.5.5
Phone Settings Page Definitions
Phone Settings/General Settings
Basic Settings
Local RTP Port
Defines local RTP port used to listen and transmit RTP packets.
Valid range is 50040 – 65000. Default is 50040.
Use Random Port
Forces the phone 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.
Disable In-call DTMF
Display
Disables the phone to omit displaying DTMF digits during call on the LCD screen.
The default setting is “No”.
Keep-alive Interval
(s)
Specifies how often the phone will send a Binding Request packet to the SIP server
in order to keep the “ping hole” on the NAT router to open. The valid range is from
10 to 160. The default setting is 20 seconds.
STUN Server
Specifies the IP address or the Domain name of the STUN (Simple Traversal of
UDP for NAT) server. The phone will send STUN Binding Request packet to the
STUN server to learn the public IP address of its network. STUN resolution results
are displayed in the status page of the phone Web GUI. Only non-symmetric NAT
routers work with STUN. Default 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.
Guest Features
Guest Settings
Guest Login
Enable/disable guest login. Users should configure SIP domain name when
using this function. Users should input SIP username and password on LCD.
Note: A reboot is required for this setting to take effect.
Guest Login PIN
Code
When set "Guest Login" option to "Yes" and "Expire" on the guest login page
through LCD to "Always", users should input the PIN code to login.
SIP Domain
Server Alias
The server alias is used to customize the server name.