Might have been a messenger service, come to think of it.

The messenger service was supposed to be secure, but one never knew.

You can silence them by turning off the Messenger service.

Other models were used on military bases for messenger service.

The ports that can be used by the Messenger service are 135, 137, 138, and 139.

A flagship of the street boys is a messenger service.

The man sitting next to him also wore the uniform of a local messenger service.

And a lot of their customers use our messenger service.

"Guys from messenger services don't double back to avoid surveillance."

The convenience is limited, though, when your friends are all on different instant messenger services.