The advantage of this feature in that, that worldwide, you always get an incoming call on mobile number or virtual DID number.

For management call forwarding, you can use internet sites OPTIROAM, WAP, internet messenger Jabber, VoIP gateway or IP phone connected to OPTIROAM, send SMS, and call to the phone access OPTIROAM.

For mobile people, who constantly move, call forwarding economically to use together with travel sim card or mobile number of local operators.

After buying a new sim card of local mobile operators necessarily call on a GSM-code ##002#, this code will turn off all unnecessary services on sim card and help avoid unexpected waste with balance sim card.

For those, who is far from mobility enough, call forwarding to nearest, local city phone.