Patent ID: 8688161

Claim:
A method for creating an ad hoc group on a wireless device for push-to-talk (PTT) communications on a wireless telecommunication network, comprising: displaying a menu listing a plurality of predefined lists, wherein each predefined list represents a contact information source separately residing on the wireless device and includes a plurality of entries that are selectable to create the ad hoc group, and wherein the plurality of predefined lists includes at least a user contact list and a caller identification list; receiving a user's selection of entries from the plurality of predefined lists, including at least one entry from the user contact list and at least one entry from the caller identification list, wherein: receiving the user's selection of the at least one entry from the user contact list comprises: receiving user input selecting the user contact list from the displayed menu; and accessing a first storage location in the wireless device to display the user's saved contact entries in response to receiving the user input selecting the user contact list; and receiving the user's selection of the at least one entry from the caller identification list comprises: receiving user input selecting the caller identification list from the displayed menu; and accessing a second storage location in the wireless device to display received call entries in response to receiving the user input selecting the caller identification list, wherein each received call entry includes at least an originating telephone number; composing the ad hoc group by combining the selected entries from the plurality of predefined lists; and transmitting information on the ad hoc group to a server.