FIELD: communication devices.
SUBSTANCE: invention relates to methods of transmitting information, related to service quality. For this purpose, such information is subject to transmission in at least one direction between a first device (30) and a second device. The first method involves, in at least one of the devices, stages for linking a protocol message, containing information distinct from that related to service quality, and attaching information to the protocol message, related to service quality. The second method involves a stage for generating information, related to service quality, inside at least one of the following: header and attribute fields of the protocol message. The invention equally relates to corresponding programme codes, devices, network elements and systems.
EFFECT: elimination of delays, which slow down session establishment.
45 cl, 4 dwg
