1. LDK-24(Nexer)

2. LDK-24 Flexible architecture Flexible architecture Integrated LAN switch & ADSL Router Integrated LAN switch & ADSL Router Basic & enhanced voice features Basic & enhanced voice features Simple installation Simple installation Efficient system management Efficient system management Value-added features Value-added features - IP networking ( VoIP ) - IP networking ( VoIP ) - Mobility - Mobility - CTI applications - CTI applications - Built-in voice mail - Built-in voice mail - SMS / CID ( CO & SLT ) - SMS / CID ( CO & SLT ) All in one voice and data communication solution for SOHO. Overview

3. LDK-24 Configuration PC Soft phone PSTN ISDN IP Network SLT WIP Phone Wireless AP IP Phone DECT Digital Keysets FAX Built in ADSL Router LAN Switch CTI Mobility PC BASE Home Office IP NETWORKING with LDK series Head Office Voice Data

4. Draw your office as your wishes… Flexible Architecture LDK-24 Note : Max capacity : 10 LAN ports & 1ADSL port

5. Scalability… reliability… and easy to use. QOS QOS - 802.1 p/q or port based VLAN - 802.1 p/q or port based VLAN - Diffserv pretagging. - Diffserv pretagging. 10/100 Base T, Auto-sensing 10/100 Base T, Auto-sensing Broadcast storm protection Broadcast storm protection MDI / MDI-X Auto crossover MDI / MDI-X Auto crossover NAT server, share one fixed IP-address for all users NAT server, share one fixed IP-address for all users ADSL Protocol : G992.1(G.DMT), G992.2(G.lite) / Annex A, Annex B ADSL Protocol : G992.1(G.DMT), G992.2(G.lite) / Annex A, Annex B Firewall : NAT, PAT/IP filtering Firewall : NAT, PAT/IP filtering - Remote maintenance by firewall - Remote maintenance by firewall - Application layer gateway support - Application layer gateway support Data parts LDK-24

6. Internet PSTN 1 2 N E-mail Self Diagnostics for Efficient maintenance Monitors BRI Status BRI Status Power failure Power failure ADSL line status ADSL line status DECT failure status DECT failure status SMDR buffer full SMDR buffer full Efficient Maintenance 1

7. LDK-24 Remote admin for efficient maintenance Web-admin Web-admin BRI connection BRI connection PSTN Modem PSTN Modem Efficient Maintenance 2 Remote Admin

8. LDK-24 IP Networking Internet Interconnect LG Systems via IP Network as one office… Attendant Net call Net call Call Transfer Call Transfer Call Forward Call Forward Name Display Name Display Message waiting indication Message waiting indication CO Transit-in / out CO Transit-in / out Conference Conference Absent text message Absent text message DND DND Centralized Attendant Centralized Attendant BLF service BLF service Networking Features

9. Mobility LDK-24 PSTN/ ISDN xDSL Ethernet WIP Phone DECT LDK-24 mobility solutions improve productivity DECT Voice Data Wireless Access Point Wireless Access Point - IEEE 802.11b, 11Mbps/2.4 GHz - IEEE 802.11b, 11Mbps/2.4 GHz - DHCP, SNMP Agent(MIB) - DHCP, SNMP Agent(MIB) Max 3 RF Base 12 DECT handsets Max 3 RF Base 12 DECT handsets GAP compliant / Linked pair GAP compliant / Linked pair Using to General Data AP (802.11b) Using to General Data AP (802.11b) Remote web based Admin / upgrade Remote web based Admin / upgrade GSM user friendly design GSM user friendly design WIP

10. CTI Application LDK-24 LDK24 ezPhone TAPI(1 st party or 3 rd party) based CTI application DB integration DB integration - MS Outlook, Access, ACT, Goldmine, Excel - MS Outlook, Access, ACT, Goldmine, Excel SMS SMS Differential ring by CLI Differential ring by CLI VMIB Control VMIB Control ACNR & Auto ACNR ACNR & Auto ACNR Call filtering Call filtering 5 Ch multi call 5 Ch multi call Attendant integration Attendant integration Scheduled dial Scheduled dial E-mail integration / Outlook auto pop-up E-mail integration / Outlook auto pop-up

11. Voice mail LDK-24 VMIBAAFB Channel3 Channel (1 MOH + 2 AA & VM)2 Channel (2 AA) Recording Time100 Minutes(Max)28 Minutes(Max) Built-in voice mail solutions : VMIB(Enhanced version) AAIB (Simple version) Auto Attendant announcement Auto Attendant announcement Voice Prompt for private station Voice Prompt for private station Night & weekend Messaging Night & weekend Messaging User greeting & personal recording (VMIB only) User greeting & personal recording (VMIB only) Remote management (VMIB only) Remote management (VMIB only) Message paging, SOS paging (VMIB only) Message paging, SOS paging (VMIB only) Message transfer to other mail box (VMIB only) Message transfer to other mail box (VMIB only) Music-on hold (VMIB only) Music-on hold (VMIB only)

12. SMS ready LDK-24 PSTN SMS Phone SMS supporting PC application SMS Modem NEXER Internet Leased Line SMS Server SMS Server GSM Over Other NEXER SMS enabled terminal SMS node : V.23(FSK-1200 bps) SMS enabled terminal SMS node : V.23(FSK-1200 bps) Transparent to PSTN/ISDN … Channel speech type 3.1 KHz Transparent to PSTN/ISDN … Channel speech type 3.1 KHz Transmission : ETS 300 658-1 Transmission : ETS 300 658-1 Message : EN 300 659-3 V1.2.1 Message : EN 300 659-3 V1.2.1 Implement Plan Stage1 Stage1 - Send / receive SMS transparently - Send / receive SMS transparently ( Carrier solution ) ( Carrier solution ) - PC client application connects to service provider SMS (URL connect) - PC client application connects to service provider SMS (URL connect) Stage2 Stage2 - System send SMS message to PSTN - System send SMS message to PSTN directly directly - Multi volume SMS sending (broadcast) over - Multi volume SMS sending (broadcast) over SMS modem, PSTN based SMS server SMS modem, PSTN based SMS server