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Knowledge Base

Summary for test of AR2811 and voice gateway in private network environment

Publication Date:  2012-07-27  |   Views:  2  |   Downloads:  0  |   Author:  SU1001435830  |   Document ID:  EKB0000116403

Contents

Issue Description

 VG+AR2811, VG is short for voice gateway, and 2811 functions as NAT;  in private network environment, VG registers at VK via 2811, and then it could dial at random.  

Alarm Information

After correct configuration, the route of VG to GK is reachable but it cannot register. Voice cannot be heard.

Handling Process

Release AR2811 should upgrade to VRP3.4-0010, and turn on the switch of h.323, and nat alg h.323.

Root Cause

AR2811 does not support nat alg functionality of h.323

Suggestions

 If GW cannot pass the authentication at GK Server, please follow the following steps for troubleshooting:

If there is a route in between, please make sure if it supports h.323nat, and if it could ping through to GK Server.


Execute display current-configuration command to check if ras-on has taken effect;

Check if GK functionality of GK Server is enabled.