With the Board-4 module disabled (grp9 module roundrobin null-4.3, null-4.4), when I call exten => s, n, GrpPolicy (grp9) I get the status
POLICY_grp9 = SIP / 3931924-192.168.216.251,0, Board-4-gsm-4. "What is the error should be 0.
Model Name: VS-GWM400 Software Version: 2.4.6
Nevertheless, if I needed to physically remove the GSM module. I do not want to change my Dialplan. Please take this note into account in the new firmware.