An outbound call to %1 couldn't be established. The selected outbound gateway "%2" returned the error "%3". The caller ID ...

An outbound call to %1 couldn't be established. The selected outbound gateway "%2" returned the error "%3". The caller ID used for this call was '%4'. Contact the vendors who support your VoIP gateway and IP PBX hardware for help troubleshooting the SIP response error code specified in the event description. You can also run diagnostic tests on your VoIP gateway or IP PBX hardware to make sure the devices are operational. Additional information: %5