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Knowledge Base

Video Train 5.2 and softx3000 Train 6 mix networks causing dialing issue.

Publication Date:  2012-09-24  |   Views:  199  |   Downloads:  0  |   Author:  q00229199  |   Document ID:  EKB1000015970

Contents

Issue Description

Version information:
gk/gkm/rmcc/8630MCU:Train 5.2 version
oracle:oracle9.2.10
softx3000:SoftX3000V3R6B02
Networking description: SoftX3000 mix network with Video system (Including multimedia GK、RMCC、GKM、MCU). GK and Soft3000 use GL-GK to relay butt. All user register under SoftX3000, MCU register on GK, GK process only video business without any user.
Malfunction phenomenon:
After both sides’ configuration is finished, SIP terminal dial succeeded on Soft3000, but the terminal side can’t receive MCU’s call. Terminal join the conference successfully by calling 168 or conference enter number.

Alarm Information

SIP terminal can successfully dialing on softx3000, but terminal side can’t receive call.

Handling Process

Because the business word hat is 28400 in softx3000’s configuration and the net gate prefix is 28400, that cause the problem of softx3000 return calling problem, and terminal can’t receive call.
Change business word had in softx3000’s configuration, dialing again, terminal can join the conference normally.      

Root Cause

According to SIP terminal dialing procedures, locate the problem on MCU and softx3000 by tracking calling message. We can see debug information of MCU: Call failed! Error code: 8. the opposite side denied. We can judge the problem is on softx3000, at the same time, we can track LCF that sent back by GK on Softx3000, it explains that the problem is surly on softx3000. According to calling procedure, soft3000 should send the dialing responding message to SIP terminal through 200 messages. But track the calling on softx3000, find out softx3000 send the calling back to GK. LRQ and LCF messages are keeping sending. Check softx3000 and GK configuration. The business word hat is 28400 on softx3000’s configuration. GK’ route list was added the opposite side’s route, and the net gate prefix is 28400, that makes the problem of softx3000 return calling.

Suggestions

Attentions of GK configuration:
[SITECALL-SETTING]
# support dialing function cooperating with NGN
# 0: not supported (default) 1: supported
Enable-ngn-sitecall=1
Attentions of RMCC’s configuration:
A. Whether opened meeting place enter authentication
Authentication management is in SoftX3000, server is not needed.
B. Whether use RMCC account management. The user manager is in SoftX3000, don’t need go to RMCC, or it will fail
UserAccount=0