Draytek Vigor2820 Series User Manual page 10

4.4 LAN - Created by Using NAT ............................................................................................. 273
4.5 Calling Scenario for VoIP function ...................................................................................... 275
4.5.1 Calling via SIP Sever .................................................................................................... 275
4.5.2 Peer-to-Peer Calling ..................................................................................................... 277
4.6 Upgrade Firmware for Your Router ..................................................................................... 278
4.7 Request a certificate from a CA server on Windows CA Server ......................................... 280
4.8 Request a CA Certificate and Set as Trusted on Windows CA Server ............................... 284
4.9 Creating an Account for MyVigor ........................................................................................ 286
4.9.1 Creating an Account via Vigor Router .......................................................................... 286
4.9.2 Creating an Account via MyVigor Web Site.................................................................. 289
4.10 How to use mOTP feature through the router and iPhone ............................................... 292
4.11 How can I get the files from USB storage device connecting to Vigor router? ................. 297
5
Trouble Shooting ...........................................................................................301
5.1 Checking If the Hardware Status Is OK or Not.................................................................... 301
5.2 Checking If the Network Connection Settings on Your Computer Is OK or Not ................. 302
5.3 Pinging the Router from Your Computer ............................................................................. 304
5.4 Checking If the ISP Settings are OK or Not ........................................................................ 305
5.5 Problems for 3G Network Connection ................................................................................ 308
5.6 Backing to Factory Default Setting If Necessary ................................................................ 308
5.7 Contacting Your Dealer ....................................................................................................... 310
Appendix: Hardware Specifications............................................................................. 311
Vigor2820 Series User's Guide
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