Avaya 1603SW Guia Do Utilizador

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Issue 1 June 2010
63
 
Chapter 7: Telephone Software and Binary Files
General Download Process
The 1603SW-I SIP IP Deskphones download upgrade files, settings files, language files, and 
software files from a file server. All of the file types can be downloaded either via HTTP or 
HTTPS except the software files, which can only be downloaded via HTTP. Avaya recommends 
HTTPS for downloading the file types because it ensures the integrity of the downloaded file by 
preventing "man in the middle" attacks. HTTPS is not used for software file downloads because 
1603SW-I IP Deskphone software files are already digitally signed, so there is no need to incur 
additional processing overhead while downloading these relatively large files. The HTTPS 
protocol applies only if the server supports Transport Layer Security (TLS) encryption. 
Note:
Note:
The 16xxupgrade.txt file, binary files, and settings files discussed in this chapter 
are identical for file servers running HTTP and HTTPS. The generic term “file 
server” refers to a server running either HTTP or HTTPS.
When shipped from the factory, 1603SW-I IP Deskphones might not contain the latest software. 
When the telephone is first plugged in, it will attempt to contact a file server, and will download 
new software if the software version available on the file server is different than the version on 
the phone. For subsequent software upgrades, the call server provides the capability to 
remotely reset the telephone, which then initiates the same process for contacting a file server. 
The telephone queries the file server, which transmits a 16xxupgrade.txt file to the deskphone. 
The 16xxupgrade.txt file tells the telephone which binary file the deskphone must use. The 
binary file is the software that has the telephony functionality, and is easily updated for future 
enhancements. In a newly installed deskphone, the binary file might be missing. In a previously 
installed deskphone, the binary file might not be the proper one. In both cases, the deskphone 
requests a download of the proper binary file from the file server. The deskphone downloads the 
file and conducts some checks to ensure that the file was downloaded properly. If the 
deskphone determines it already has the proper file, the deskphone proceeds to the next step 
without downloading the binary file again.
After checking and loading the binary file, the 1603SW-I SIP IP Deskphone, if appropriate, uses 
the 16xxupgrade.txt file to look for a settings file. The settings file contains options you have 
administered for any or all of the IP telephones in your network. For more information about the 
settings file, see 
Software
As part of installation, a conversion from H.323 to SIP signaling protocol is done as described in 
"Converting Software on 1603SW-I IP Deskphones" of the Avaya one-X™ Deskphone Value