Hi all I'm not familiar with the configuration for freeswitch. Anyone who could help me sovle the following two problem: 1. user A is in conversation with user B, and at this time, a incoming call from user C comes to A, in this case, I want freeswitch to play busytone to C, how to configure? 2. I'd like freeswitch to relay text message(use sip),as below scenario: entity1--------------------------freeswitch---------------------------entity2 | message(text/plain) ------> | message(text/plain) ------> | | <-------------200 OK | <-------------200 OK | | | | To implement above case, does need any special configure for freeswitch? Appreciate your help in advance. _________________________________________________________________ 看看谁是Live小博士，Windows Live知识竞赛, 精美礼品等你拿。 http://events.livetome.cn/2009/knowlive