DEVICES

ON PREMISES PLATFORM

Below the Toolbox → device section, you will find a list of all the SIP User Agents that have registered at least once at the VOIspeed switchboard.

The main feature of a User Agent is the string with which it presents itself to the PBX. Each manufacturer sets this string in the firmware of the device and in some cases it is also possible to customize it.
For each of them, you can define a series of parameters that allow a correct use and you can customize the display as a GUI device. Specifically, by clicking on the icon edit for the item you want to customize, you will find:

The parameters that can be customized are:

Company Current company
User agent string It is the string presented by the device as a User Agent in SIP transactions. It is advisable not to modify this string because it contains useful information on the type of device and generally also on its firmware version
device type  Here it is possible to select which icon will be displayed in the GUI and in the PBX user monitoring when it has associated a device with the specific UA. The selectable devices are:

  • IP phone: will be shown with the thumbnail devicesip
  • User-Agent: will be shown with the thumbnail deviceusb
  • Wireless (DECT WiFi 3G): will be shown with the thumbnail devicedect
  • User Agent for Intrusion: will be shown with the thumbnail devicecallcenter
Click to dial supported Support “click to dial” function. If the device supports click to dial, the call made by the GUI will automatically start playing the audio on the associated SIP device, without the need to call it in advance, as instead happens with devices without this functionality. The Polycom and Yealink phones available in Teamsystem Communication support this option, while some SIP DECT systems (such as Gigasets) do not support it.
Standard Refer supported Referral Standard Support. It is the function that allows calls to be forwarded according to a particular method of the SIP standard. The Yealink and Polycom IP phones available in Teamsystem Communication support this option, while DECT systems typically do not support it. If there are any problems forwarding calls, try turning off this option.

UCLOUD PLATFORM

In the UCloud platform, this section is slightly different than the On-Premises platform. The list is no longer automatically filled, but it is the administrator who must populate it if necessary: except in special cases, it is not essential to create an entry. If necessary, click on the button to add a new item and fill in the window data.

User agent string: is the string that identifies the user agent of the device that is presented to the PBX. It can also be a part of the entire string: for example, the complete string sent to a Yealink T19 phone is of the Yealink SIP-T19P 31.72.0.76 type. You can also use the simpler string “Yealink”: the PBX will behave in the same way with all the devices that contain this string in the user agent string.

device type: indicates the type of icon to be shown in user monitoring

Click to Dial: see above

Automatic answer: indicates if the device supports the automatic reply to the INVITE (ie it supports the autoanswer directive), which implies that the device automatically answers as soon as it receives a call from the PBX when the call is made by the UI.

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