ZyXEL Communications ISG50-ISDN Application Note page 3

5. How to Secure the Communication? ......................................................................................................................................................... 55
Site to site IPsec VPN .................................................................................................................................................................................. 56
Trusted Peer over IPsec VPN ....................................................................................................................................................................... 78
Brute-force Attack Protection ..................................................................................................................................................................... 79
6. How to Establish a Seamless Mobile Office with ZyXEL Reach? ................................................................................................................. 82
ZyXEL Reach - Smartphone Application ...................................................................................................................................................... 82
How to avoid missing any call on a certain extension? ........................................................................................................................ 88
Mobile Extension ........................................................................................................................................................................................ 90
7. How to Leverage Enterprise-class Calling Features to Increase Business Productivity? ............................................................................. 93
Auto Attendant ........................................................................................................................................................................................... 93
Hunt Group .............................................................................................................................................................................................. 100
Three-way Conference .............................................................................................................................................................................. 102
How to perform a three-way conference on ZyXEL Reach? ................................................................................................................ 103
How to perform three-way conference on V310?.............................................................................................................................. 105
Meet-Me Conference ............................................................................................................................................................................... 107
System Sound ........................................................................................................................................................................................... 108
How to change the language of system sounds from English to a specific language? ........................................................................ 108
8. How to Record a Call? .............................................................................................................................................................................. 111
Preparation for Call Recording .................................................................................................................................................................. 111
License .............................................................................................................................................................................................. 111
USB Storage ...................................................................................................................................................................................... 112
How to record calls on a certain trunk or an extension? ........................................................................................................................... 113
Full-time Recording ........................................................................................................................................................................... 113
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