Patent ID: 6771641
Filing Date: 2004-08-03
Classification: H04L,H04M,H04Q

Abstract:
A method for collecting and transporting one or more mid session digits through a packet communication channel between a first end point and a second end point in a telecommunication system, the method comprising the steps of:sending a request for collecting the mid session digits from the first end point to the second end point; defining a template to include a field-based format, one or more quantities of digits to be collected, and one or more timeout values; providing the template by the first end point to the second end point including digit collection format and instructions; determining an immediate use of a digit map in the template for the digit collection, wherein the determining comprises selecting, based on a criterion, one of: storing the digit map for a next round of digit collection, and replacing any existing digit map received by the second end point; collecting the mid session digits by the second end point according to the digit collection format and instructions provided in the template; and sending the collected mid session digits from the second end point to the first end point, wherein all the above communications between the first and the second end points are through one or more INFO messages conforming to a Session Initiation Protocol (SIP).