How to Configure Phone Message Alert for Process Chains status

Hi all,

I have a requirement in which, i need create message and has to send it accross to serval recipents via the phone,

i am trying to this my creating massges on that particular process, but in the recipients type i dont see any phone type,

Could any how please help in confiuguring the Phone to send Process Alerts,

Thanks in Advance ,

Lax.