Configuring The Alg; Configuring The Upnp - Huawei B890 Online Help Manual

An application-level gateway (ALG) is a specific application of SIP and is used to

check the status of data packages. And the Session Initiation Protocol (SIP) is a

control protocol at the Application Layer. It is used to initiate, change, or end a session.

To complete a SIP application, enable the ALG.

Procedure

Step 1 Choose Settings > Security > ALG Settings.

Step 2 Select Enable SIP ALG to enable the SIP ALG.

Step 3 In SIP port, enter the SIP port number provided by your service provider.

Step 4 Click Apply.

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The Universal Plug and Play (UPnP) service realizes intelligent connection between

two UPnP devices using port forwarding. UPnP devices can obtain IP addresses

automatically and access the Internet dynamically.

Procedure

Step 1 Choose Settings > Security > UPnP Settings.

Step 2 Select:





Step 3 Click Apply.

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Follow-up Procedure

A computer that runs the Windows XP operating system is used as an example to

describe how to enable the UPnP service on a device.

1.

2.

3.

4.

Issue 01 (2013-02-05)

Enable: to enable the UPnP service.

Disable: to disable the UPnP service.

Choose Start > Control Panel > Add or Remove Programs > Add/Remove

Windows Components.

Select Networking Services and click Details.

Select UPnP User Interface to enable the UPnP service.

Click OK.

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