Abstract: A method and system for providing an originating dispatch user with delivery options when a destination dispatch user is not available are provided. These options can include delivering buffered voice to a voice mail system, and converting the buffered voice to text and sending the text as an electronic mail, a short message service (SMS) message, or an instant message. The speech can be buffered in either the network or in the originating communication device. The speech can be buffered either before or after receiving a call setup acknowledgment from the dispatch network.

Abstract: A method and system for providing an originating dispatch user with delivery options when a destination dispatch user is not available are provided. These options can include delivering buffered voice to a voice mail system, and converting the buffered voice to text and sending the text as an electronic mail, a short message service (SMS) message, or an instant message. The speech can be buffered in either the network or in the originating communication device. The speech can be buffered either before or after receiving a call setup acknowledgment from the dispatch network.

Abstract: Systems and methods for managing communication groups are provided. In some embodiments, the invention includes systems and methods for managing a mobile communication device group. The system can include a communication device for sending a message from a member of a sender group and network to transmit the message to the recipient group if the identity of the sender group exists in a communication permission parameter associated with the recipient group. In other embodiments, the invention includes systems and methods for transmitting a message to a group of communication device users in an identified geographical area and including a graphical display for presenting a geographical representation of an area. The invention can also include a selection tool for identifying one or more communication device users located within a defined area. In such embodiments, a network can be used to transmit a message from a sender to the users located within the defined area.