of an outgoing channel.

Store-and-forward switching centers are usually implemented in mobile service stations, where the messages that are sent from the sender are first sent to these centers. If the destination address isn't available, then the center stores this message and tries sending it later. This improves the probability of the message being delivered. In the other case, if the destination is available at that time, then the message is immediately sent.

Manually operated relay

1.Previous
3.Next