A lot of network phone(and ATA) has Peer to Peer function

來源: 真沒想好 於 2009-10-14 13:53:31 [] [舊帖] [給我悄悄話] 閱讀數 : (44 bytes)

So you only need to dial your's IP address.

請您先登陸，再發跟帖！