E18 Door Phone Administrator Guide
24. FAQ
Q1: How to obtain IP address of R2X
A1: ✔ For devices with single button - E21/ R20/ R23/ R26:
While E21/ R20/ R23/ R26 power up normally, hold the call button for 5
seconds after the statue LED turns blue and it will enter into IP
announcement mode. In announcement mode, the IP address will be
announced repeatedly. Press call button again to quit the announcement
mode.
✔ For devices with multiple numeric keyboard - R27:
While R27 power up normally, press “*2396#” to enter home screen and
press “1” to go to system Information screen to check the IP address.
✔ For devices with touch screen - R29:
While R29 power up normally, in the dial interface, press “9999“, “Dial key”,
“3888” and “OK” to enter the system setting screen. Go to info screen to
check the IP address.
✔Common method:
Using Akuvox IP Scanner to search Akuvox devices in the same LAN network.
Q2: Do Akuvox devices support opus codec?
A2: For now, only Akuvox Android video IP phone R48G can support Opus
audio codec.
Q3: What is the supported temperature range for akuvox doorphone?
A3: R20/E21/R26/R23/Standard R27/Standard R29 -- 14° to 112°F (-10° to
45°C)
R27/R29 with heating supporting --- 40 degrees
R28 -- (-40°C~55°C )
Indoorphone -- 14° to 112°F (-10° to 45°C)
IPPhone -- 32º~104ºF(0~40ºC)
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