For its ~ 4,000 (wholesale price with PSU), the device is quite worthy. It's better to take Panasonic than a no-name Chinese. Comparison with the UT123 device, in my opinion, loses, but the shortcomings are not critical and are offset by a lower price. Its pros: + Price. With the current exchange rate, oddly enough - almost the most profitable purchase + Execution. Compact body, light weight, good design - does not cause a feeling of "cheapness". + SIP-component works flawlessly. Started up fine with Asterisk. Some cons: - Interface slowdowns, which many write about, really take place (tested with the latest firmware). In principle, not critical, but noticeable (compared to the same KX-UT123). My assumption is the use of a less productive processor (hence the lower price compared to UT123). - The power supply is not included and is not easy to find. It seems to me that it would be wiser to do like Yealink competitors - to offer two model options, with PoE and without a PSU (as it is now) and with a PSU, but without PoE. - The display is smaller than in UT123. A trifle, but the data from the display is subjectively more difficult to read. True, but it is backlit.
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