Polycom CMA System Operations Guide

MCU and Gateway Dialing Problems and Solutions

Problem

Description

Solutions

 

 

 

Call fails when using an

The call using the MCU service is

Check the Reports > Gatekeeper

MCU service.

rejected because of one of the

Message Log for error messages

Dialing an MCU service

following:

indicating why the call failed.

results in a network error.

The MCU is not registered.

Verify that the MCU is registered.

 

The MCU is offline.

Verify that the MCU is online. If the

 

The MCU prefix is not

device is offline, reboot it.

 

registered as an E.164 alias.

Verify that the MCU service is

 

The MCU resource issue was

available. Go to the Admin > Dial Plan

 

sent through resource

and Sites > Services page. Verify that

 

allocation indication or resource

the MCU service prefix is enabled and

 

listed.

 

allocation.

 

 

 

The dialing rule is not enabled.

 

 

The priority of the dialing rule

 

 

may be too high.

 

 

Services are not enabled.

 

 

 

 

Simplified dialing does not

The call using the simplified dialing

Check the Reports > Gatekeeper

work.

service is rejected because of one

Message Log for error messages.

When you dial 9, you

of the following:

Verify that the gateway and simplified

receive a network error.

The simplified dialing prefix

dialing service prefix is enabled. Go to

 

service in the system

Admin > Dial Plan and Sites >

 

configuration is disabled.

Services.

 

No gateway services are

Verify that the gateway is registered.

 

available.

 

 

There is insufficient BRI/PRI

 

 

bandwidth.

 

 

The call uses a higher bit rate

 

 

than the device policy group

 

 

allows.

 

 

 

 

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Polycom, Inc.

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Polycom 3725-77601-001H manual MCU and Gateway Dialing Problems and Solutions, Sites Services page. Verify that