ጠቃሚ የGSMና USSD ኮዶች Code What it does **21*[number]# Activate unconditional forwarding (all calls) ##21# Deactivate unconditional forwarding *#21# Check unconditional forwarding status **61*[number]**[seconds]# Forward when no answer (set ring time in seconds: 5-30) ##61# Deactivate no-answer forwarding *#61# Check no-answer forwarding status **67*[number]# Forward when busy ##67# Deactivate busy forwarding *#67# Check busy forwarding status **62*[number]# Forward when unreachable (phone off or no signal) ##62# Deactivate unreachable forwarding *#62# Check unreachable forwarding status ##002# Cancel ALL forwarding rules at once ##004# Cancel all conditional forwarding (no answer + busy + unreachable)Call forwarding