hi all
i have a question about viop software...
there are some windows mobile phones..
these mobile have some third party voip softwares to make calls from mobile using those softwares...
is there any voip software to work in linux mobile?
i come across with "gizmo"..
how they are developing this for mobile..
i would like to develop voip for mobiles?
can you please suggest me how can i?

please help me.

thank you in advance