We have a remote office. Recently,  when calling this office with the SX20, its connecting with audio  only.  This had previously worked before but we dont know whats  changed.  Calling the same remote office from a C40 in the same office  as the SX2...

We have a remote office. Recently, when calling this office with the SX20, its connecting with audio only.  This had previously worked before but we dont know whats changed.  Calling the same remote office from a C40 in the same office as the SX20 wo...

We have reports about an sx20 constantly ringing during the night, supposedly its calling itself.  The call history on the touchpanel  showed three missed calls from  101@xx.xx.xx.xx   where xx.xx.xx.xx is the ip adress of the SX20 itself. The last o...