We get calls every few weeks, i always answer and they say hello then hangup, we decided to block them, now almost everyday we receive a call from this number and in the voicemail they leave hello bonjour, when i decide to answer they say hello and hangup, WTF is this.
I've had several calls recently from this number but there is never a ,message. On one occasion I decided to answer but they hung up without speaking (last Friday) and another call came through today.
I am wondering whether there is some way of blocking this caller.