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FAQ

Why my phone is registered but when I try to place a call I receive a Network Failure error ?
Because of the large number of supported codecs, since firmware version 8, some SIP requests leaving the phone (often a SIP INVITE) can exceed the maximum s...
Mon, 4 Feb, 2019 at 9:45 AM
Why does my phone not play the audio notification when a call is available to pickup?
Snom Phones are capable to play an audio notification sound when a monitored extension is ringing and you could be able to pick up the call. ...
Mon, 20 Jan, 2020 at 10:56 AM
Why does the phone not show the recording button when I'm in a call
Since fw 8.7.5.35, the default value of call_screen_fkeys_on_connected has been changed: the F_REC is now removed by default because it is not ...
Mon, 20 Jan, 2020 at 10:57 AM
BLF LEDs not working in connected state
By default, the connected status is mapped to the color red, but Snom 710 and 715 models have only green LEDs. That's why we introduced ...
Mon, 20 Jan, 2020 at 10:58 AM
I'm not able to use the same phone number for multiple contacts in the phone directory
You can only have one contact associated with a number. If you add a new contact with an already existing phone number the old contact will...
Mon, 20 Jan, 2020 at 10:59 AM
Auto Disconnect Page to the PA1
Problem Sometimes calls / pages to the PA1 are not disconnected by the calling phone, because the user does not hang up the call. The pa1_cal...
Mon, 20 Jan, 2020 at 11:00 AM
How do I connect my Amplifier with a Loop Start,TEL,Tip and Ring connection to the PA1
You may be able to connect the audio clip connections on the PA1 to the 600ohm TEL/Tip and Ring connection on your amp, but it is not supported by Snom. He...
Tue, 21 Jan, 2020 at 9:24 PM
How can I dial text or SIP URI on my phone
Since firmware version 8.9.3.51, we inhibit (by default) the option to insert letters in the dial screen. In order to restore this possibilit...
Mon, 20 Jan, 2020 at 11:04 AM
I'm unable to cancel the Warning messages from the Phone menu
Since version 10.x, security warnings cannot be removed from the PUI (Phone User Interface). The security messages can be suppre...
Mon, 20 Jan, 2020 at 4:30 PM
Where can I download latest UC firmwares
Snom UC firmware is tested and supported only with Lync 2010 and 2013. Skype for Business isn´t supported by Snom UC firmware. Here...
Tue, 16 Jun, 2020 at 3:36 PM