Technology Prefixes
A arrangement ambassador selects technology prefixes to denote altered types or classes
of gateways. The gateways are again configured to annals with their gatekeepers with
these prefixes. For example, articulation gateways ability annals with technology prefix 1#,
H.320-gateways with 2#, and voice-mail gateways with 3#. More than one aperture can
register with the aforementioned blazon prefix. When that happens, the attendant makes a random
selection amid gateways of the aforementioned type. The caller, who knows the blazon of accessory he
or she is aggravating to reach, can now prepend a technology prefix to the destination address
to announce the blazon of aperture to use to get to the destination.