PPP daemon has died

[vallettea]

While connected it happens to have abrupt disconnection with

=> --> Disconnecting at Thu Jan 22 09:08:25 2015
--> The PPP daemon has died: A modem hung up the phone (exit code = 16)
--> man pppd explains pppd error codes in more detail.
--> Try again and look into /var/log/messages and the wvdial and pppd man pages for more information.
--> Auto Reconnect will be attempted in 5 seconds

[vallettea]

the error is 16 The link was terminated by the modem hanging up. which means it is an hardware problem.

[vallettea]

I guess it is a power consumption because the modems hungs up only when i ask for the reverse ssh, otherwise it can stay connected. the solution may be two have the dongle connected to a powered usb hub.