User's Manual

are tried periodically based on random, but increasing time periods, in order to give the server
adequate time to recover.
SSH and secure file transfer
The Secure Shell Handler (SSH) is a widely-used protocol for providing secure logon access
to run commands remotely. To establish a connection, you must access the SSH-capable
client, and know the user name and password that is configured on the IP Deskphone through
the use of the provisioning system.
Secure File Transfer Protocol (SFTP) lets the administrator securely log on to the IP
Deskphone (using the common user name and password shared with SSH/PDT). After you
logon, the IP Deskphone displays a list of files on the flash file that you can transfer.
SSH and SFTP
The following table provides a list of SSH and SFTP configuration parameters.
Parameter
Description Default value Boundaries
Enable
SSH
Enables the
SSH server on
the IP
Deskphone
for secure
shell access.
Not checked (off) Not checked (off) Checked
(on)
Enable
SFTP
Enables the
SFTP server
on the IP
Deskphone
for secure
FTP access.
SSH must be
enabled for
SFTP to be
enabled
Not checked (off) (appears
dimmed until SSH is enabled)
Not checked (off) Checked
(on)
User ID The User ID
that must be
entered when
connecting to
the IP
Deskphone
SSH or SFTP.
None Non-null string Maximum: 49
characters
Security
222 SIP Software for Avaya 1100 Series IP Deskphones-Administration November 2012
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