Hi Vincent All of the Q.931 messages are user side (end point, MCU and gateway) Ami Amir RADVision -----Original Message----- From: Vincent Chen [SMTP:vincentshchen@ACER.COM.TW] Sent: Sat, January 17, 1998 2:21 PM To: ITU-SG16@mailbag.jf.intel.com Subject: Q.931 for MCU Dear All, Is it correct that an MCU just act as a Q.931 USER but not a Q.931 NETWORK? Thanks! Best Regards, Vincent Chen E-mail:VincentSHChen@acer.com.tw