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Context
The call emulation test verifies the basic calling services during service provisioning, and works
with the POTS line test to locate a fault.
There are three types of call emulation tests: caller emulation test, callee emulation test, and
automatic emulation test. The call emulation test is irrelevant to protocols for the upstream
transmission. That is, it is applicable to SIP and H.248.
After callee emulation is configured on the POTS port, the caller calls the callee and then is put
through to the callee automatically.
Impact on the System
l
After callee emulation is enabled on a POTS port, the callee cannot hear the dial tone after
offhook but hears mute. After the POTS port is enabled with callee emulation, services
carried on the POTS port are interrupted. These services will be recovered after callee
emulation is complete.
l
After a POTS port is enabled with callee emulation, if the user of this port is not called by
a caller, the user will exit callee emulation in three minutes. Within these three minutes,
the VoIP service and other services are interrupted.
Procedure
Step 1
In the
Physical Map
navigation tree on the
Main Topology
tab page, double-click the target
OLT, or select the target OLT, right-click, and choose
NE Explorer
.
Step 2
In the navigation tree, choose
GPON
>
GPON Management
.
Step 3
In the window on the right, choose
GPON ONU
.
Step 4
On the
GPON ONU
tab page, set the search criteria to find the GPON ONU records.
Step 5
Select a required record from the ONT list, and then click the
The Ont's UNI Port Info
tab in
the lower pane.
Step 6
Select a record from the list whose
UNI Type
is
Pots
, right-click, and choose
Callee Emulation
Test
from the shortcut menu.
Step 7
In the dialog box that is displayed, click
Start
, as shown in the following figure.
EchoLife HG8010/HG8110/HG8240/HG8245/HG8247/
HG8447 GPON Terminal
Service Manual
4 Maintenance and Troubleshooting
Issue 02 (2011-12-08)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
293
Page 302 / 364
Figure 4-13
Callee emulation test
----End
Result
After the callee is called, the phone of the callee is not ringing but emulates the automatic
offhook. If the callee hears his/her own voice, callee emulation is successful.
4.5.7 Automatic Emulation Test
The automatic emulation test verifies the basic calling services and preliminarily locates a fault.
Prerequisite
l
The OLT and the NMS communicate with each other properly.
l
The NMS is able to discover an online ONT and VoIP service parameters are configured.
l
The user connected to the POTS port that is enabled with automatic emulation successfully
registers with the softswitch.
Context
The call emulation test verifies the basic calling services during service provisioning, and works
with the POTS line test to preliminarily locate a fault.
EchoLife HG8010/HG8110/HG8240/HG8245/HG8247/
HG8447 GPON Terminal
Service Manual
4 Maintenance and Troubleshooting
Issue 02 (2011-12-08)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
294
Page 303 / 364
There are three types of call emulation tests: caller emulation test, callee emulation test, and
automatic emulation test. The call emulation test is irrelevant to protocols for the upstream
transmission. That is, it is applicable to SIP and H.248.
Before enabling an automatic emulation test, you need to enable a callee emulation test and then
analyze the test according to the returned results. The test is performed automatically.
Impact on the System
l
After callee emulation is enabled on the POTS port, the callee cannot hear the dial tone
after offhook but hears mute. After the POTS port is enabled with callee emulation, services
carried on the POTS port are interrupted. These services will be recovered after callee
emulation is complete.
l
After a POTS port is enabled with callee emulation, if the user of this port is not called by
a caller, the user will exit callee emulation in three minutes. Within these three minutes,
the VoIP service and other services are interrupted.
l
After a POTS port is enabled with the automatic emulation test, services carried on the
POTS port are interrupted. These services will be recovered after automatic emulation is
complete.
Precautions
l
Before enabling an automatic emulation test, enable a callee emulation test. This is because
when an automatic emulation test is enabled, the dialing operation will be automatically
performed. If the callee is not in the callee emulation state, the test will fail.
l
In the automatic emulation test, the preset called number must be the number of the callee.
Procedure
Step 1
Enable a callee emulation test for the callee. For details, see
Callee Emulation Test
.
Step 2
Enable an automatic emulation test for the caller.
1.
In the
Physical Map
navigation tree on the
Main Topology
tab page, double-click the
target OLT, or select the target OLT, right-click, and choose
NE Explorer
.
2.
In the navigation tree, choose
GPON
>
GPON Management
.
3.
In the window on the right, choose
GPON ONU
.
4.
On the
GPON ONU
tab page, set the search criteria to find the GPON ONU records.
5.
Select a required record from the ONT list, and then click the
The Ont's UNI Port Info
tab in the lower pane.
6.
Select a record from the list whose
UNI Type
is
Pots
, right-click, and choose
Auto Caller
Emulation Test
from the shortcut menu.
7.
In the dialog box that is displayed, set
Callee Number
to the number of the callee, as shown
in the following figure.
EchoLife HG8010/HG8110/HG8240/HG8245/HG8247/
HG8447 GPON Terminal
Service Manual
4 Maintenance and Troubleshooting
Issue 02 (2011-12-08)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
295
Page 304 / 364
Figure 4-14
Automatic emulation test
8.
Click
Start
.
----End
Result
After an automatic emulation test is enabled, the caller automatically dials the number of the
callee to call the callee and the callee picks up the phone automatically. After the test is complete,
test results are displayed on the NMS.
4.5.8 Local Loopback and Remote Loopback on a POTS Port
The local loopback and remote loopback on a POTS port are used for determining the section
of the line where VoIP service failures occur.
Prerequisite
l
The user is a user with the operator authority or higher.
l
The OLT and the NMS communicate with each other properly.
l
The NMS is able to discover an online ONT and VoIP service parameters are configured.
Impact on the System
After loopback is set on a POTS port, normal communication is interrupted and an echo is heard
by the caller.
EchoLife HG8010/HG8110/HG8240/HG8245/HG8247/
HG8447 GPON Terminal
Service Manual
4 Maintenance and Troubleshooting
Issue 02 (2011-12-08)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
296
Page 305 / 364
Precautions
l
The loopback can be set only after a call is set up.
l
After onhook, the communication ends and loopback is cancelled automatically.
l
Direct switching between local loopback and remote loopback cannot be performed. To
switch between local loopback and remote loopback, cancel the current loopback first.
Procedure
Step 1
Make calls between VoIP users on an ONT.
Step 2
In the
Physical Map
navigation tree on the
Main Topology
tab page, double-click the target
OLT, or select the target OLT, right-click, and choose
NE Explorer
.
Step 3
In the navigation tree, choose
GPON
>
GPON Management
.
Step 4
In the window on the right, choose
GPON ONU
.
Step 5
On the
GPON ONU
tab page, set the search criteria to find the GPON ONU records.
Step 6
Select a required record from the ONT list, and then click the
The Ont's UNI Port Info
tab in
the lower pane.
Step 7
Select a record from the list whose
UNI Type
is
Pots
, right-click, and choose
Config Port
Loopback
from the shortcut menu, as shown in the following figure.
Figure 4-15
Local loopback and remote loopback on a POTS port
Step 8
In the dialog box that is displayed, select a loopback type and click
OK
to start a test. The
loopback types include
No Loopback
,
Local Loopback
, and
Remote Loopback
.
----End
Result
l
After local loopback is set, the local voice is audible. If the local voice is not audible, the
POTS port of the ONT is faulty.
l
After remote loopback is set, the peer end can hear his/her echo. If the echo is not audible,
the link from the peer end to the local ONT is faulty.
The communication recovers after loopback is cancelled or the phone is placed on the hook.
EchoLife HG8010/HG8110/HG8240/HG8245/HG8247/
HG8447 GPON Terminal
Service Manual
4 Maintenance and Troubleshooting
Issue 02 (2011-12-08)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
297

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