User Manual
Table Of Contents
- Chapter 1 Introduction
- Chapter 2 Preparations & Installation
- Chapter 3 Network Service Configurations
- Chapter 4 VoIP Telephone Adapter Configurations
- Chapter 5 Netowrk
- Chapter 6 NAT Trans
- Chapter 7 SIP Setting
- Chapter 8 Advance Setting
- Chapter 9 Other Setting
- Appendix A Voice Communication Samples
- Case 1: ATA to ATA connection via IP address
- Case 2: (Peer-to-Peer mode) VIP-157S Port 1 to Port 2 communications
- Case 3: Call Forward Feature_Example 1
- Case 4: Call Forward Feature_Example 2
- Case 5: Call Forward Feature_Example 3
- Case 6: Call Forward Feature_Example 4
- Case 7: Auto Answer Feature_IP to PSTN
- Case 8: Auto Answer Feature_PSTN to IP
- Appendix B The method of operation guide
- Appendix C VIP-156/VIP-156PE/VIP-157/VIP-157S Specifications

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TABLE OF CONTENTS
UChapter 1 IntroductionU ............................................................................................................6
UOverviewU ......................................................................................................................................................6
UPackage ContentU ..........................................................................................................................................7
UPhysical DetailsU ............................................................................................................................................7
ULED Display & ButtonU ......................................................................................................................10
UChapter 2 Preparations & InstallationU ................................................................................12
UPhysical Installation RequirementU ...........................................................................................................12
ULAN IP address configuration via web configuration interfaceU .........................................................13
UChapter 3 Network Service ConfigurationsU ........................................................................17
UConfiguring and monitoring your ATA from web browserU ...................................................................17
UOverview on the web interface of ATAU ..............................................................................................17
UManipulation of ATA via web browserU ..............................................................................................17
UChapter 4 VoIP Telephone Adapter ConfigurationsU ...........................................................19
UStatusU .................................................................................................................................................19
UPhone BookU ........................................................................................................................................20
UCall ServiceU........................................................................................................................................ 22
USNTP settingsU .................................................................................................................................... 24
UVolume SettingU...................................................................................................................................24
UDail Plan SettingU ................................................................................................................................25
UGeneralU...............................................................................................................................................29
UChapter 5 NetowrkU .................................................................................................................31
UNetwork SettingsU ...............................................................................................................................31
UDDNS SettingsU...................................................................................................................................32
UVLAN SettingsU .................................................................................................................................. 32
UVPN SettingsU .....................................................................................................................................33
UIPV6 SettingsU .....................................................................................................................................34
UChapter 6 NAT TransU.............................................................................................................35
UStun SettingsU ......................................................................................................................................35
UPC SettingsU ........................................................................................................................................35
UDMZ and MAC CloneU .......................................................................................................................36
UVirtual ServerU ..................................................................................................................................... 36
UChapter 7 SIP SettingU ............................................................................................................38
UService Domain SettingsU .................................................................................................................... 38
UCodec SettingU ..................................................................................................................................... 39
USIP Advance SettingU .......................................................................................................................... 40
UChapter 8 Advance SettingU ....................................................................................................44
UStatus LogU ..........................................................................................................................................44