I have a number of Swisscom HD Phones, but changed my fixed line provider to Sunrise.
On the Swisscom site, I can see that the latest firmware for my Zermatt is vH029 while my phone only has vH026. The update feature of the phone does nothing when I try it (no response).
Does anyone know of a way of upgrading my phone?
The Swisscom HD Phones can only be updated through the Internet-Box.
It's what I feared. Never, ever, buy Swisscom equipment. Even if they claim to follow standards, they actually don't and do their best to clock you in.
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