AP200 VoIP Gateway Series Design Features & Concept 2002. 3.5 AddPac R&D Center
Contents Design Features Design Specifications AP200 Series QoS Features AP200 Series PSTN Backup Features AP200 Series Easy Setup Concept AP200 Series S/W Upgrade Issues Discussion
Design Features AP200 Series Specific H/W Features AP200-Hub : 1 FXS Port, LAN0, LAN1(4Port) Port AP200-FX1 : 1 FXS Port, LAN0, LAN1(1Port) AP200-FX2 : 2 FXS Port, LAN0, LAN1(1Port) AP200 Series Common H/W Features CPU : 32Bit RISC Microprocessor DSP : High Performance DSP Main Memory : 16Mbyte SDRAM Flash Memory : 2Mbyte One(1) PSTN Backup Port : Console Port : RJ-45 Real Time Clock
AP200-Hub Scheme Console RJ-45 LAN1 (4Port Hub) LAN0 Design Features PSTN FXS AP200-Hub Indoor CO Conventional Copper Cable Outdoor Analog Domain Digital Domain 10 Base-T AP200-Hub xdsl-r PSTN Backup 4 Port Hub (IP sharer) Data Data Data Data
Design Features AP200-FXS1 RJ-45 Console LAN1 LAN0 PSTN FXS AP200-FXS1 Indoor CO Conventional Copper Cable Analog Domain Digital Domain Outdoor AP200-FXS1 10 Base-T xdsl-r PSTN Backup 1 Port LAN (IP sharer) Data
Design Features AP200-FXS2 RJ-45 Console LAN1 LAN0 PSTN FXS FXS AP200-FX2 Indoor CO Conventional Copper Cable Outdoor Analog Domain Digital Domain 10 Base-T AP200-FX2 xdsl-r PSTN Backup 1 Port LAN (IP sharer) Data
Design Specifications AP200 Series Specification IP Routing Protocols WAN Protocols Voice over IP s Static and IEEE 802.1Q VLAN Routing Point-to-Point Protocol(PPP) for ADSL Networking (PPPoE) ITU-T H.323 v2 VoIP protocol with ITU-T H.235 Security Features G.723,G.729A,G.711 Voice Compression Voice Processing Features : VAD, DTMF, CNG,G.168 and T.38 Fax Relay Enhanced QoS Management Features for Voice Traffics Network Managements Security Functions Operation & Management Standard SNMP Agent (MIB v2) Support Remote Management using Console, Rlogin, Telnet Web based Managements using HTTP Server Interface Traffic Queuing Standard & Extended IP Access List Enable/Disable for Specific Protocols PPP User Authentication Supports : PAP, CHAP System Performance Analysis for Process, CPU, Connection I/F Configuration Backup & Restore for APOS Management Debugging, System Auditing, and Diagnostic Support System Booting and Auto-rebooting with Watchdog Feature System Managements with Data Logging IP Traffic Statistics with Accounting
Design Specifications AP200 Series S/W Features (continue..) DHCP Server & Relay Functions Other Usable Features Network Address Translation (NAT) Function Port Address Translation(PAT) Function Transparent Bridging (IEEE Standard) Function - Spanning Tree Bridging Protocol Support - Remote Bridging Support - Concurrent Routing and Bridging Support Land Balancing Support and Command Line Interface(CLI) Network Time Protocol(NTP) Support for time sync. at billing, etc. Remote Upgrade for APOS management using FTP/TFTP Automatic S/W Upgrade Scheme Support
AP200 Series QoS Features AP QoS Design Features AP QoS Architecture
AP QoS Design Features Transmit Side Features Priority Queuing : Real-Time Voice Packet, Control Packet, Normal Data Packet QoS Profile using Bandwidth & PPS Parameter (Especially, this feature is applicable in Best-Effort Cable Network) Support Virtual Network Transmit Algorithm using Ethernet WAN Interface Real-time Voice Traffic QoS support using 2 LAN port (Patent Applied ) RTP Packet Transmission Interval Control Support RTP Packet Redundancy Scheme for T.38 Fax Data Protection IP Header Control for Edge Switch or Router QoS Functions such as TOS, DiffServ(IPv4 TOS, IPv6 Class)
AP QoS Design Features Receive Side Features Dynamic Jitter Buffering Support T.38 Fax Data Error Recovery Scheme for T.38 Fax Data Protection Error Concealment
AP QoS Arch. AP200 Internal Architecture for QoS VoIP Gateway PSTN PBX Lines Line Interfaces (FXS, FXO, E&M, ISDN PRI,etc) Voice & Fax Signal Processing Packet Flow LAN, ATM, V.35 Interface Internet FAX LAN Interface Local LAN
AP QoS Arch. Network Configuration Model Conventional VoIP Gateway Model Internet VoIP Backbone Gateway VoIP Backbone Gateway AddPac VoIP Gateway Model Internet PSTN Exchange Leased Line Router Ethernet Local LAN ADSL Modem Ethernet IP Sharer Ethernet FXS Leased Line Router LAN0 AP200 LAN1 bridge or IP routing ADSL Modem AP200 LAN0 FXS LAN1 IP sharer LAN0 Local LAN Local LAN Local LAN VoIP Gateway FXS LAN0 VoIP Gateway FXS
AP QoS Arch. Gateway Internal Architecture Transmit Side Voice Packet (ON-OFF Model) Priority Queuing TOS Control, RTP Transmission Interval Control Real-Time Traffic Transmit Scheduling LAN, ATM, V.35 Interface Internet LAN Data NAT& PAT, bridge packets LAN Interface Local LAN based on Bandwidth and PPS (Packet Per Second) using Virtual Network Transmit Algorithm
AP QoS Arch. Gateway Internal Architecture Receive Side Error Concealment on Chip Voice Packet (ON-OFF Model) DSP RTP Redundancy Control Dynamic Jitter Buffer LAN, ATM, V.35 Interface Internet LAN Data NAT& PAT, bridge packets Receive Buff. LAN Interface Local LAN
AP200 Series PSTN Backup PSTN Backup Architecture PSTN Network VoIP Backbone Gateway Internet PSTN Exchange PSTN Exchange AP200 DSLAM CASE 4 CASE 1. PSTN Connect at Power Down 2. PSTN Connect by Hook or Special KEY 3. Busy Tone Generation for VoIP call blocking when PSTN backup is active 4. Can hear the other telephony s voice in case PSTN line is already occupied 5. Support PSTN Ring Voltage Protection 6. Support PSTN Ring Detection Console xdsl-m RJ-45 LAN1 LAN0 BridgeTap PSTN FXS AP200-FXS1 VoIP Gateway CASE 2 CASE 3 CASE 1
AP200 Series PSTN Backup PSTN Backup Architecture PSTN Network VoIP Backbone Gateway Internet PSTN Exchange PSTN Exchange AP200 DSLAM CASE 4 CASE 1. PSTN Connect at Power Down 2. PSTN Connect by Hook or Special KEY 3. Busy Tone Generation for VoIP call blocking when PSTN backup is active 4. Can hear the other telephony s voice in case PSTN line is already occupied 5. Support PSTN Ring Voltage Protection 6. Support PSTN Ring Detection Console xdsl-m RJ-45 LAN1 LAN0 BridgeTap PSTN FXS FXS AP200-FXS2 VoIP Gateway CASE 2 CASE 1 CASE 3
AP200 Series Easy Setup Concept Basic Parameter Setting via Console IP address H.323 ID Telephone Number etc Telnet Configuration File via FTP/TFTP WEB
AP200 Series S/W Upgrade Issues Technical Issues Server-Client Concept Client Get Model (Ex : Cable Modem) Light & Error Robust Protocol Model Popular Used Protocol Various Get Event (booting, idle time, Normal, etc) Server Controlled Polling Model (Uniform Dist. & Appropriate Polling Interval) Authentication Model AP200 AP200 AP200 Internet AP200 VMS : VoIP Gateway Management Sys
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