Problems with Asterisk 1.2 and Siemens Gigaset c470 ip

Asterisk Asterisk Support
1

Hi

I have a problem with the terminal Siemens C470 IP, a switchboard with Asterisk 1.2 and commandline shows me the following error message.

“Got SIP response 481” Call Leg / Transaction Does Not Exist “back from 192.168.3.78”

Thanks a lot!

Regards