贵州金蝶认证实施服务合作伙伴 protocol type 1 what is a call forwarding service? call forwarding is a telecommunications service that allows users to transfer calls from one phone number to another phone number. call forwarding is usually used to transfer calls from a landline to a mobile phone, and vice versa. call forwarding can also be used to transfer calls from one mobile phone number to another mobile phone number. there are two main types of call forwarding. the call forwarding is immediately transferred, and the call is transferred immediately from one phone number to another phone number, and no one answers the transfer when the call is in... 30 people
