[Asterisk-Users] Cisco phones config over internet

[Brian M. Arlinghaus]

Martin,

In the 7960s (my firmware is P0S3-07-3-00), you can press "settings" and 
then #9 to unlock the phone.  From the settings menu, #3 will take you into 
Network Configuration.  Near the bottom (#25), you must disable DHCP and 
Save.  Then, from within the Network Configuration menu, you can manually 
enter the TFTP server (#7).

BTW, what are the potential difficulties with someone seeing the config 
files?

Brian

----- Original Message ----- 
From: "Martin Roy" <mroy at mac.com>
To: <asterisk-users at lists.digium.com>
Sent: Monday, January 31, 2005 3:46 PM
Subject: [Asterisk-Users] Cisco phones config over internet


>I saw a previous post about this problem but no one seems to have a real 
>solution for it...
>
> I have a few Cisco IP Phones 7960 that I want to install at remote 
> locations. I can easily setup my router to forward the ports of Asterisk 
> BUT I don't want to open my TFTP server over the Internet as all the SIP 
> configs are in clear text...
>
> I was first of all considering making VPN connection between my main 
> office and the remote locations but that's fine if I have VPN routers on 
> both side. But if someone use a phone at home and they have no router or 
> cheap ones I'm stuck... I won't ask everyone to purchase a VPN Router just 
> to have the phone working.
>
> I know I could open a second TFTP server just for the few phones that are 
> not on my network and leave the Name, Authentification Name and password 
> empty in the SIP config file and add it manually on each phones but I 
> would still need to provide the SIP firmware and all the other files open 
> on the internet...
>
> In the Cisco phone I don't even see a way to change the default TFTP port 
> but even that solution doesn't seem good enough...
>
> Anyone having a working setup?
>
> Thanks
>
> Martin
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