G450: Analog Trunk is in-service but unable to dial in or out.

Doc ID		SOLN301355
Version:		3.0
Status:		Published
Published date:		20 Jun 2018
Created Date:		12 Dec 2016

Author:

Mutaz Ammous

Details

Analog trunk is in service but can't able to dial in or dial out using Analog Trunk.
CM 6.3
Media Gateway Firmware 36.18.0

Problem Clarification

Analog trunk is in service but unable to dial in or dial out using that trunk. All configurations were double checked and everything is correct.

Gateway 69 is bad.

Getting alarm:

inads@L1PNCHDACM01> almdisplay

CommunicaMgr ALARMS
===================

ID   MO         Source     On Bd Lvl Ack Date
1    MED-GTWY   069        y      MIN Y    Wed Jun 20 06:26:42 EDT 2018


SERVER ALARMS

Cause

Defected Dead on Arrival media gateway.

From the media gateway CLI, there were Core and Hardware alarms on it:

G450-B-003(super)# show faults

CURRENTLY ACTIVE FAULTS
--------------------------------------------------------------------------

-- VoIP Faults --
+ Hardware failure, mmid = v0, 10/24-16:41:38.00
+ DSP Failure, mmid = v0, 10/24-16:41:38.00
+ CORE Failure, mmid = v0, 10/24-16:41:38.00

Current Alarm Indications, ALM LED is on
--------------------------------------------------------------------------
+ MGP VOIP Failure

Done!

Tried the following to overcome and resolve the alarms on the MG, but with no luck:

1- Unplug the power cable, remove the power supply, re-insert it, then plug the power cable again. Run show faults on the gateway. If that doesn’t solve the issue, go to step 2
2- Unplug the power cable, remove the main motherboard of the Gateway, re-insert it, then plug the power cable again. Run show faults on the gateway.

Solution

Replace the defected Media Gateway with a new one.

After replacing the Media Gateway, the issue was resolved and call over the analogue trunk is successful.

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