Hello, I installed the server SER he works well with users agents software as (MSNMessenger 4.6, SJPHONE), with regard to IPphone as cisco 7960 I have a problem it is that he cannot look for the server SER, during his functioning, what is that nobody can help me to know where from comes the problem, With regard to the server TFTP is what that is the same that of the server SER, anybody knows where is files to be downloaded on the server TFTP. 7.2.2. On the TFTP server load these files: a. OS79XX – Identifies which firmware the phone should load with no extension. Example: P0S3-04-1-00 b. P0S3-04-1-00.bin – The firmware image c. SIPDefault.cnf - Site wide configuration options d. SIPmacaddress.cnf – Phone specific settings, including logon name and password. Example: SIP000A8A93D466.cnf e. RINGLIST.DAT, ringer1.pcm, ringer2.pcm – ring tones Thank you for advance Hassan CHOUMAR Hassan cité universitaire de la pacaterie (chambre459) 91400 Orsay Por :33/0675909977 Email: hmchoumar(a)hotmail.com