ZyXEL GS-105I User Guide - Page 224

CHAPTER 21 VoIP 21.1 Overview You can make calls over the Internet using VoIP technology. For this, you first need to set up a SIP account with a SIP service provider. Use this chapter to: • Connect an analog phone to the Zyxel Device. • Configure settings such as speed dial. • Configure network settings to optimize the voice quality of your phone calls. 21.1.1 What You Can Do in this Chapter These screens allow you to configure your Zyxel Device to make phone calls over the Internet and your regular phone line, and to set up the phones you connect to the Zyxel Device. • Use the SIP Account screen (Section 21.3 on page 226) to set up information about your SIP account, control which SIP accounts the phones connected to the Zyxel Device use and configure audio settings such as volume levels for the phones connected to the Zyxel Device. • Use the SIP Service Provider screen (Section 21.4 on page 230) to configure the SIP server information, QoS for VoIP calls, the numbers for certain phone functions, and dialing plan. • Use the Phone Device screen (Section 21.5 on page 235) to control which SIP account(s) each phone uses to handle outgoing and incoming calls. • Use the Region screen (Section 21.6 on page 238) to change settings that depend on the country you are in. • Use the Call Rule screen (Section 21.7 on page 238) to set up shortcuts for dialing frequently-used (VoIP) phone numbers. • Use the Call History screen (Section 21.8 on page 239) to view detailed information for each outgoing call you made or each incoming call from someone calling you. You can also view the summary list of received, dialed and missed calls. You don't necessarily need to use all these screens to set up your account. In fact, if your service provider did not supply information on a particular field in a screen, it is usually best to leave it at its default setting. PX7511-B0 User's Guide 224