Improvement of method for telephony network signal sending over internet

This paper describes one drawback in the Internet recommendation RFC2833 biscas. The recommendation deals with the method of telephone signalling sending over Internet network and the problem existed in the case of line R2 signalling sending when E1 transmission system is used in classic telephone network. The authors of the recommendation accepted our suggestion and changed the text of the recommendation in accordance with our proposal. The changes are introduced in the new recommendation RFC5244.