[Asterisk-Users] Slightly OT: Cisco 7960/7940 and AsteriskReg istration Issues ove r a WAN

[Geoff Manning]

Braz wrote:
> Hi.
> 
> Which Cisco firmware are you using? There's a known problem with lost
> of registration with SIP 7.5 firmware and you need to reboot the
> phone in order to re-register. If you're using this one, try to
> downgrade to 7.4. 
> 
> Braz
> 

Is there any more documented information about this besides:

http://www.voip-info.org/wiki-Asterisk+phone+Cisco+79xx 

Thanks,
Geoff