Sophie Phythian

    You'll need to enable VoLTE (turn it on) to use VoLTE  service anywhere it's available, and to use your phone on LTE networks (in the United States).     If you are having issues receiving inbo...

  For a list of countries where our SIM will "roam like at home" please refer to our roaming controls guide.  Please read all of the below before travelling to ensure that you have all the informat...

  A hunt group is a service that distributes calls made into a single phone number to a group of users/SIMs.    For example a call coming into your main business number can be distributed to multip...

  Some of our ONSIM VOIP customers have reported getting nuisance calls from 1000, 1001 or similar three & four digit numbers. On answering the calls the line appears to be dead with no one at the ...

  On a Yealink handset you can place an active call on hold.  Only one active call can be made at any one time, so if you need to make another call during the call you are currently on, you will...

  You can mute the current call on a Yealink T19P so that the other party can not hear you.    TO MUTE A CALL During the call, press the  button You will then see Mute displayed on the screen     T...

  DND can be used to automatically reject calls on a Yealink handset and the callers will receive a busy message or if a divert has been set up so that when the handset is unreachable the call will...

  If you have any issues with your ONSIM Voip line, please follow the appropriate steps in the table below, if these initial troubleshooting steps do not solve your issue or if the issue you are ha...

  Below is a list of all the makes and models of handsets which are compatible with our ONSIM service:   Yealink Yealink T19P, Yealink T20P, Yealink T22P, Yealink T23P, Yealink T26P, Yealink T27P, ...

  Yes, you can twin a VOIP / desk phone handset with your SIM.    The important thing to remember is that if you twin your service, only one call can be made/received at any one time. So for exampl...