14.8sip disabled on Snom 320 IP Phone

I have just added a new phone it has registred ok but the phone display is showing

“14.8sip disabled”

I have reset the phone to it factory settings and manualy configured the setting and got it registred but nothing works and the above shows on the phone, hope someone can help me out, as i have googled the error and found no answers and i am now stuck