| Issue | Likely Cause | Solution | | :--- | :--- | :--- | | | Browser security blocking .exe or .zip files. | Use Chrome/Firefox, check "Keep" in download shelf, or disable AV temporarily during download. | | Software Crashes on Startup | OS incompatibility or
: Configure extensions, trunks, and numbering plans from a single interface. Connection Flexibility : Supports on-site connection via , as well as remote programming. Maintenance Tools | Issue | Likely Cause | Solution |