Samsung OfficeServ 7400 Installation Manual Page 99
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OfficeServ 7400 System Description
© SAMSUNG Electronics Co., Ltd. 4-3
4.1.3 Router ALG Interface
NAT Application Level Gateway (ALG)
When various functions such as the VoIP signal process function and gateway function
executed through the IP network in the OfficeServ 7400 are executed in the Network
Address Translation (NAT) network, the conversion between the private IP address and
public IP address should be performed. In this case, the call server and the data server
interface each other and share the information on the conversion between the private IP and
public IP, which enables the OfficeServ 7400 to provide services smoothly. This function
operates only between the call server and data server of the OfficeServ 7400.
Firewall ALG
When various functions such as the VoIP signal process function and gateway function
executed through the IP network in the OfficeServ 7400 are executed in the network that
has a firewall, the system should be set to prohibit the firewall from cutting off the packet
not manually but automatically for the smooth firewall traversing. This function operates
only between the call server and data server of the OfficeServ 7400.
VPN ALG
When various functions such as the VoIP signal process function and gateway function
executed through the IP network in the OfficeServ 7400 are executed in the Virtual Private
Network (VPN), the system should be set to prevent the packet blocking during the IP
address conversion due to the tunneling. In this case, the call server and data server
interface each other and share the tunneling conversion information for smooth services.
This function operates only between the call server and data server of the OfficeServ 7400.
- System Description 1
- COPYRIGHT 2
- TRADEMARKS 2
- WEEE SYMBOL INFORMATION 2
- INTRODUCTION 3
- Conventions 4
- Reference 4
- Revision History 4
- ABBREVIATION I 7
- LIST OF FIGURES 8
- LIST OF TABLES 9
- TABLE OF CONTENTS 10
- 1.1 Introduction to System 11
- 1.1.2 System Architecture 13
- 1.2 Interface 16
- IP Phone 18
- 1.3 Programming 19
- 2.1 Features of Hardware 21
- 2.2 Chassis Configuration 23
- 2.3 Modules by Functions 25
- 2.3.2.1 TEPRIa 32
- 2.3.2.2 TEPRI2 34
- 2.3.2.3 4BRI 35
- 2.3.2.4 8TRK 36
- 2.3.2.5 8TRK2 38
- 2.3.2.6 16TRK 39
- 2.3.3 Voice Station Module 40
- 2.3.3.2 8COMBO2 41
- 2.3.3.3 8SLI2/16MWSLI/16SLI2 42
- Port Function Description 43
- 2.3.3.4 16DLI2 44
- 2.3.4 Data Server Module 45
- 2.3.4.2 PLIM 47
- 2.3.4.3 PLIM2 48
- 2.3.4.4 GPLIMT 50
- 2.3.4.5 GSIM 52
- 2.3.4.6 GSIMT 53
- 2.3.4.7 GWIMT 55
- 2.3.5.1 MGI64/MGI16 57
- OS7400 (MP40) 4 61
- 24 members, 4 groups 61
- 2.3.6 SVMi-20E 64
- 2.4 Station Phones 66
- 2.4.3 IP Phones 69
- 2.4.4 Add-On Module (AOM) 72
- Door Phone 73
- 2.5 Wireless LAN Device 74
- 2.6 Additional Devices 75
- 2.6.6 Installation Tool 76
- 2.6.7 SMDR 76
- 2.6.8 CTI 76
- 2.6.9 NMS 76
- CHAPTER 3. Specification of 77
- OfficeServ 7400 77
- 3.1.1 Trunk Line Capacity 79
- 3.1.3 Number of Channels 79
- 3.2 Electrical Specification 80
- 3.2.3 Line Conditions 88
- 3.3 Power Specification 89
- 3.4 Rings and Tones 90
- 3.5 Available Terminals 91
- 3.6 Equipment Specification 92
- 4.1 Call Functions 97
- 4.1.3 Router ALG Interface 99
- 4.2 VoIP Function 100
- 4.2.4 Call Log 101
- 4.2.5 Forward Busy 101
- 4.2.6 Forward No Answer 101
- 4.2.7 Parallel Forking 101
- 4.3 Data Server Functions 102
- 4.3.2 Router 104
- 4.3.3 Security 107
- 4.6 NMS Management Function 110
- ABBREVIATION 113
- WAN Wide Area Network 117
- WBS Wireless Base Station 117
- WIP Wireless IP Phone 117
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