Grandstream Networks GRP26 Series Administration Guide

SSH Port Configures the port for SSH access. The default is 22.
SSH Public
Key
If Uploaded, the phone will use public key authentication as an alternative option to password authentication.
Keypad Mode
Configuratio
n via Keypad
Menu
Configures access control for keypad Menu settings.
● Unrestricted: all options on the LCD menu can be accessed;
● Basic settings only: only options for basic settings can be displayed on the LCD menu;
● Constraint mode: accessing options other than basic settings will require permission;
Locked mode: Menu is disabled.
Warning: If the admin password is lost while constraint mode is enabled, your device may become permanently
unusable. Remember to be careful when using constraint mode to avoid irreversible damage.
Web Access
HTTP Web
Port
Configures the HTTP port under the HTTP web access mode. The valid range is 80 – 65535. The default value is “80”.
HTTPS Web
Port
Configures the HTTPS port under the HTTPS web access mode. The valid range is 443 – 65535. The default setting is
“443”.
Web Access
Mode
Sets the protocol for web interface.
● HTTPS
● HTTP
● Disabled
● Both HTTP and HTTPS
The default setting is “HTTP”.
Web Access
Control
Web access control by using Whitelist or Blacklist on incoming IP addresses.
Web Access
Control List
Only allow the IP address list as a whitelist or restrict the IP address list as a blacklist to access the Web.
Web Session
Timeout
Configures timer to logout web session during idle. The valid range is 2-60 min. The default value is 10 min
Enable User
Web Access
Administrator can disable or enable user web access.
The default setting is “Enabled”.
Validate
Server
Certificates
After enabling this feature, phone will validate the server’s certificate. If the server that our phone tries to register on is
not on our list, it will not allow server to access the phone.
Web/Restrict
mode
Lockout
Duration
Specifies the time in minutes that the web or LCD login interface will be locked out to user after five login failures. This
lockout time is used for web login, and LCD restrict mode admin login. Range is 0-60 minutes.
The default setting is “5”.
Web access
Attempt
Limit
Configure attempt limit before lockout.
Default is 5. Range is 1-10.

Grandstream Networks GRP26 Series Specifications

General

Brand	Grandstream Networks
Model	GRP26 Series
Category	IP Phone
Language	English