| 摘要 |
FIELD: information technologies. ^ SUBSTANCE: invention is related to method for credit reservation for mobile subscriber in relation to IP multimedia service. In method after primary registration of subscriber for IP-multimedia service, but prior to request of IP-multimedia service, they use initial procedure of communication session establishment for reservation of credit sum at unit of payment control, and Service IP-Multimedia Element is announced about credit reservation, afterwards, in process of mentioned IP-multimedia service request, Service IP-Multimedia Element may be immediately involved into establishment of communication session. ^ EFFECT: elimination of time loss in establishment of communication session. ^ 10 cl, 6 dwg |
