Pocket SIP Messenger is a SIP instant messaging client for small devices that use Windows CE (iPAQ Pocket PC, ...). The IM protocol is based on SIMPLE (IETF) working group s specification.

Wince 6.0手持设备软输入键盘(SIP)的隐藏/显示 C#-Wince 6.0 handheld devices soft input keyboard (SIP) to Hide/Show C#