Instruction/ maintenance manual of the product V660 ZyXEL Communications
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Enjoy GSM/W i-F i Dual-Mode IP Phone Dual-Mode Phone v660 Benefits Mobility and A vailability The call control protocol of the V660 is based on the SIP v2 (Session Initiation Protocol v ersion 2, RFC 3261) standard that interoperates with major SIP-based call servers, IP PBXs and other standard SIP-based client devices.
Dual-Mode Phone v660 Software Information L an g ua ge • Eng l is h • Tr a d itiona l C h inese • S panis h Phone Featur es es • • Call H old • Call Forwar ard C • all T ransfer r ( VoW .
An important point after buying a device ZyXEL Communications V660 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought ZyXEL Communications V660 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data ZyXEL Communications V660 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, ZyXEL Communications V660 you will learn all the available features of the product, as well as information on its operation. The information that you get ZyXEL Communications V660 will certainly help you make a decision on the purchase.
If you already are a holder of ZyXEL Communications V660, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime ZyXEL Communications V660.
However, one of the most important roles played by the user manual is to help in solving problems with ZyXEL Communications V660. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device ZyXEL Communications V660 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center