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FAQ

My phone dislays the "SIP Disabled" error, how can I fix it ?
In case the phone license get corrupted or damaged you will receive the "SIP Disabled" error on the phone display. To solve this issue you need...
Thu, 17 Dec, 2015 at 10:41 AM
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, 9 Nov, 2015 at 12:09 PM
Is it possible to configure one or more settings via HTTP requests ?
Yes, every single setting can be changed via HTTP request. Request Syntax: http://phoneIP/settings.htm?settings=save&setting=validvalue ...
Sun, 18 Oct, 2015 at 1:04 PM
When I receive a call the phone doesn't show the Caller-ID from the addresbbok
Probably your PBX is sending the P-Asserted-Identity SIP header. By default this header takes the priority over all the contact sources. If you want t...
Wed, 6 Apr, 2016 at 5:56 PM
Why during call waiting scenario the phone doesn't show the waiting call on the display ?
If you want to show the caller-id on the phone display you have to disable the setting always_show_active_call. This setting isn't manageable via Web...
Fri, 18 Mar, 2016 at 10:53 AM
Lync/sfb Extension and PIN Authentication with the PA-1
Unfortunately Ext/PIN sign in is only supported via the phone user interface, (on all devices)  - not via UC Webinterface (NTLM credentials and SIP address)...
Wed, 30 Mar, 2016 at 10:18 PM
My phone is showing the "Provisioning Failed" error message, how can I get rid of that ?
During the boot the phone by default sends out an HTTP request to http://provisioning.snom.com in order to check the redirection service. In case your pho...
Thu, 7 Apr, 2016 at 11:16 PM
Why the phone doesn't show the recording button when I'm in a call ?
Since 8.7.5.35 the default value of call_screen_fkeys_on_connected is changed: the F_REC is now removed by default because not used by many PBXs. If...
Mon, 9 May, 2016 at 7:06 PM
How can I enable VPN support for the D305?
You have probably found the VPN Support page in our Wiki, which states: Since Firmware version 8.7.5.17 the VPN feature is no longer shipped with the de...
Tue, 21 Jun, 2016 at 5:08 PM
Is my Snom phone covered by warranty
In order to assert a warranty claim the customer must contact either the retailer or Snom distributor from which they purchased the Snom phone. The warr...
Mon, 6 Nov, 2017 at 9:11 AM