Zyxel-communications P-2000W V2 User Manual download pdf (Page 3)

P2000W V2 Troubleshooting Guide

Table of Contents iii

Customer Support

Please have the following information ready when you contact customer support.

• Product model and serial number.

• Firmware version of your device.

• Brief description of the problem and the steps you took to solve it.

• Call server type and vendor.

• Packet trace log as instructed on the troubleshooting in this guide.

Table of Contents

Introduction............................................................................................................................................Page 4

Frequently asked question....................................................................................................................Page 4

VoIP troubleshooting.............................................................................................................................Page 9

The VoIP Challenge ...............................................................................................................................Page 14

1 2 3 4 5 6 7 8 ... 14 15

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Zyxel-communications P-2000W V2 User Manual Page 3

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