2N NetStar Admin manual - Manual (Page 84)

84
1.
2.
3.
4.
5.
6.
7.
8.
1.
2.
3.
4.
TFTP Root Storage
What Is TFTP?
The Trivial File Transfer Protocol is a very simple file transfer protocol, containing
just basic FTP functions. The TFTP works over the connectionless
protocol. A UDP
single file can only be transferred through one connection. A single packet is only
present in the network during communication. Having sent a packet, the program waits
for confirmation and only then sends another one. Due to such simplification, the
protocol provides just a
to lines with a high latency. The TFTP low transmission rate
uses . port 69
It has some restrictions and differences compared with the FTP:
Directories cannot be browsed through.
No user login and/or password entering are possible.
Can be used for data reading and/or remote writing only.
Supports the following three different transfer modes:
netascii – for an ASCII text with modifications from the Telnet protocol
octet – for raw binary 8–bit data
mail – for e–mail sending; this mode should not be used any longer
The maximum size of the file to be transferred is 32 MB.
TFTP in NetStar
In NetStar, the TFTP storage is used as a root directory for the TFTP server where the
files provided by the TFTP server (which is part of every NetStar PBX) to TFTP clients
are located. The typical TFTP client is an IP phone, which requests a configuration,
telephone directory or new firmware from the TFTP server. The TFTP server searches
this directory and provides the file, if found, to the client.
Using TFTP in NetStar
Basically, three situations may occur, for the first two of which the phone directory
source has to be selected in the
menu: SIP Phone Directories
NetStar receives a downloading request for the file, gs_phonebook.xml
generates the file in the telephone format from the selected GrandStream
source and sends it.
NetStar receives a downloading request for the
file, tftpPhoneBook.xml
generates the file in the telephone format from the selected StarPoint IP Txx
source and sends it.
NetStar receives a downloading request for the .cfg
configuration file and generates it for each IP T2x phone based 2N StarPoint
®
on the MAC address.
NetStar receives a downloading request for another file, searches the TFTP
storage for the file and sends the file if successfully found.
Configuration
The context menu provides the following options:
Refresh – use this option to refresh the root storage for updated view.
Delete – here remove a file from the root storage.