Code : STM#211 Samsung Electronics Co., Ltd. VoIP Service Distribution EnglishED01

© Samsung Electronics Co., Ltd. 2 Contents Delay/Latency Delay/Latency Jitter Jitter Echo Echo Packet Loss Packet Loss Voice Compression Voice Compression Overview Overview

© Samsung Electronics Co., Ltd. 3 Voice & Data Convergence [1] Requirement of data networking equipment for VoIP service. NAPT, Firewall, IDS/IPS Traversal VPN QoS Etc ?

© Samsung Electronics Co., Ltd. 4 Voice & Data Convergence [2] What are advantages of convergence ? Easy Configuration and Maintenance. Efficient and correct stateful operation for VoIP sesstions. Potential Advantages. Imagine !!!

© Samsung Electronics Co., Ltd. 5 Convergence in OfficeServ7400 Specialized Feature named “VoIP Service” Focused on … NAPT auto-conf. Firewall auto-conf, strong and efficient VoIP packet inspection (like SPI) QoS auto-conf.

© Samsung Electronics Co., Ltd. 6 V/S Scenario #1. Private Network with F/W OfficeServ7400 ISP B GWIM IP Pone GWIMGWIM P1P1 P2P2 P3P3 SIOSIO V35V35 HSSIHSSI RUNRUN V35V35 HSSIHSSI P1P1 P2P2 P3P3 RSTRST GLIMPGLIMP P1P1 P2P2 P3P3 P4P4 P5P5 P6P6 P7P7 P8P8 P9P9 P10P10 P11P11 P12P12 P13P13 P14P14 LNKLNK ACTACT LNKLNK ACTACT RSTRST GLIMPGLIMP P1P1 P2P2 P3P3 P4P4 P5P5 P6P6 P7P7 P8P8 P9P9 P10P10 P11P11 P12P12 P13P13 P14P14 LNKLNK ACTACT LNKLNK ACTACT RSTRST GPLIM Frame Relay as Primary WAN connection xDSL as Back-up WAN connection One or a few fixed public IP addresses(/32) assigned to the Site. VLAN1 for /24, VLAN2 for /24 Firewall enabled INTERNET ISP2 IP Pone ADS L ISPA CSU/DSU MP40 MGI64 GSIMGSIM P1P1 P6P6 P2P2 P7P7 P3P3 P8P8 P4P4 P9P9 P5P5 P10P10 LNKLNK ACTACT SIOSIO GSIM VLAN 1 VLAN2 IP Pone

© Samsung Electronics Co., Ltd. 7 V/S Scenario #2. Public Network with F/W OfficeServ7400 GWIM IP Pone GWIMGWIM P1P1 P2P2 P3P3 SIOSIO V35V35 HSSIHSSI RUNRUN V35V35 HSSIHSSI P1P1 P2P2 P3P3 RSTRST GLIMPGLIMP P1P1 P2P2 P3P3 P4P4 P5P5 P6P6 P7P7 P8P8 P9P9 P10P10 P11P11 P12P12 P13P13 P14P14 LNKLNK ACTACT LNKLNK ACTACT RSTRST GLIMPGLIMP P1P1 P2P2 P3P3 P4P4 P5P5 P6P6 P7P7 P8P8 P9P9 P10P10 P11P11 P12P12 P13P13 P14P14 LNKLNK ACTACT LNKLNK ACTACT RSTRST GPLIM More than one C class Public IP groups (/24) assigned. VLAN1 for /24, VLAN2 for /24 Firewall enabled INTERNET ISP2 IP Pone ADS L MGI64 GSIMGSIM P1P1 P6P6 P2P2 P7P7 P3P3 P8P8 P4P4 P9P9 P5P5 P10P10 LNKLNK ACTACT SIOSIO GSIM VLAN 1 VLAN2 Metro MP40 MGI64 IP Pone

© Samsung Electronics Co., Ltd. 8 V/S Scenario #3. Public and Private Networks with F/W OfficeServ7400 GWIM IP Pone GWIMGWIM P1P1 P2P2 P3P3 SIOSIO V35V35 HSSIHSSI RUNRUN V35V35 HSSIHSSI P1P1 P2P2 P3P3 RSTRST GLIMPGLIMP P1P1 P2P2 P3P3 P4P4 P5P5 P6P6 P7P7 P8P8 P9P9 P10P10 P11P11 P12P12 P13P13 P14P14 LNKLNK ACTACT LNKLNK ACTACT RSTRST GLIMPGLIMP P1P1 P2P2 P3P3 P4P4 P5P5 P6P6 P7P7 P8P8 P9P9 P10P10 P11P11 P12P12 P13P13 P14P14 LNKLNK ACTACT LNKLNK ACTACT RSTRST GPLIM * More than one C class Public IP groups (/24) assigned. * One private network ( /24) is also employed. * VLAN1 for /24, VLAN2 for /24 * Firewall enabled INTERNET ISP2 IP Pone ADS L MGI64 GSIMGSIM P1P1 P6P6 P2P2 P7P7 P3P3 P8P8 P4P4 P9P9 P5P5 P10P10 LNKLNK ACTACT SIOSIO GSIM VLAN1 [public] VLAN2 [private] Metro MP40 IP Pone

© Samsung Electronics Co., Ltd. 9 V/S Scenario #4. VoIP between OS7400 and OS7400 Site A GWIM IP Pone GWIMGWIM P1P1 P2P2 P3P3 SIOSIO V35V35 HSSIHSSI RUNRUN V35V35 HSSIHSSI P1P1 P2P2 P3P3 RSTRST GLIMPGLIMP P1P1 P2P2 P3P3 P4P4 P5P5 P6P6 P7P7 P8P8 P9P9 P10P10 P11P11 P12P12 P13P13 P14P14 LNKLNK ACTACT LNKLNK ACTACT RSTRST GLIMPGLIMP P1P1 P2P2 P3P3 P4P4 P5P5 P6P6 P7P7 P8P8 P9P9 P10P10 P11P11 P12P12 P13P13 P14P14 LNKLNK ACTACT LNKLNK ACTACT RSTRST GPLIM INTERNET MGI64 GSIMGSIM P1P1 P6P6 P2P2 P7P7 P3P3 P8P8 P4P4 P9P9 P5P5 P10P10 LNKLNK ACTACT SIOSIO GSIM VLAN1 [public] VLAN2 [private] Metro MP40 IP Pone Site B GWIM GWIMGWIM P1P1 P2P2 P3P3 SIOSIO V35V35 HSSIHSSI RUNRUN V35V35 HSSIHSSI P1P1 P2P2 P3P3 RSTRST GLIMPGLIMP P1P1 P2P2 P3P3 P4P4 P5P5 P6P6 P7P7 P8P8 P9P9 P10P10 P11P11 P12P12 P13P13 P14P14 LNKLNK ACTACT LNKLNK ACTACT RSTRST GPLIM ISPA CSU/DSU MP40 MGI64 GSIMGSIM P1P1 P6P6 P2P2 P7P7 P3P3 P8P8 P4P4 P9P9 P5P5 P10P10 LNKLNK ACTACT SIOSIO GSIM VLAN 1 VLAN2 IP Pone GLIMPGLIMP P1P1 P2P2 P3P3 P4P4 P5P5 P6P6 P7P7 P8P8 P9P9 P10P10 P11P11 P12P12 P13P13 P14P14 LNKLNK ACTACT LNKLNK ACTACT RSTRST VoIP Signal (SIP, H323, SPNET] VoIP Media

© Samsung Electronics Co., Ltd. 10 VoIP Service Functions GWIM Auto-configuration of NAPT for MCP and MGIs. Dynamic Control of static NAPT and Firewall under development. GSIM Auto-QoS supported. auto-configuration of classification for VoIP traffics auto-configuration of DSCP Marking for VoIP traffics. auto-configuration of IEEE 802.1p marking, CoS Mapping for VoIP traffics. GLIMP TBD

© Samsung Electronics Co., Ltd. 11 VoIP Service Internal [1] IPC Message exchange via DPRAM 1 to 1 communication between MCP and other card (IPC among data cards not supported) Message Types Request/Reply/Notification. Fig.1 DPRAM map

© Samsung Electronics Co., Ltd. 12 VoIP Service Internal [2] V/S IPC Flow MCP Data Module Bootup or V/S Restart 1.Card_status Noti. 2.C/S_status Noti. 3.MCP_Info Req. 4.MCP_Info Rep. 5.Time_Info Req. 6.Time_Info Rep. Only if “ Time synch. with C/S ” option is on 7.MGI_Info Req. 8.MGI_List_Info Rep. 8-1.MGI_List(#1) Req/Rep 8-2.MGI_List(#2) Req/Rep … 8-7.MGI_List(#7) Req/Rep. Get current DB for MGIs,ITPs,WIPs 9. DB_Info Noti. DB Learning finished

© Samsung Electronics Co., Ltd. 13 VoIP Service Internal [3] V/S IPC Flow [Cont.] MCP Data Module Current Service Info including NAPT/FW … 10. Service_Info Req. 11. Service_Info Rep. 15. MGI_Info Noti. New MGI/ITP/WIP Info added If NAT=ON in Serivce_info, IP_Type=Private&Public 12. NAPT_Info Req MGI_NAPT_Info Rep MGI_NAPT_Info Rep. 14. MCP_NAPT_Info Rep. 13-n. MGI_NAPT_Info Rep. 16. MGI_Status_info Noti. Existing MGI/ITP/WIP disconnected 17. MGI_Call_Info Noti. Call_Setup(MGI channel) * Static NAPT, F/W opened 18. MGI_Call_info Noti. Call_Finish (MGI Channel) * Static NAPT, F/W closed 19. Reset Noti. After MCP/LCP reset Restart V/S IPC * Only for GWIM * NAPT Auto-conf. * Only for GWIM * Under Implemetation

© Samsung Electronics Co., Ltd. 14 VoIP Service Web Management [1] * In case of Multiple WAN Interface, if any interface is set WAN Interface that can be selected for VoIP Service. WAN Interface for VoIP traffics LAN Interface for VoIP Modules WAN Interface for data traffics

© Samsung Electronics Co., Ltd. 15 VoIP Service Web Management [2] * The [VoIP DB] menu allows displaying the current information on the OfficeServ 7400 System (ex: MCP, MGI, IP Phone, WIP Phone)

© Samsung Electronics Co., Ltd. 16 VoIP Service Web Management [3] VoIP Signalling VoIP Media for dynamic NAPT mapping of media port VoIP H323 SIP PC-MMC * Configured NAPT list for NAT traversal of inbound VoIP signal, media traffics. * Public IP/Port ranges are automatically notified to MCP and MGIs through IPC. Check the MMC 320, 321.

© Samsung Electronics Co., Ltd. 17 VoIP Auto-QoS (GSIM) [1] For ITPs, WIPs For MCP, MGIs VoIP MCP * voip_common/system/terminal_classmaps are automatically created by V/S. * In case of V/S DB update, voip_system_classmaps are automatically updated. Signal Media By DSCP MCP MGI

© Samsung Electronics Co., Ltd. 18 VoIP Auto-QoS (GSIM) [2] * Following actions are configured as confirm actions for voip_xxx_classmaps : - insert DSCP 40 - insert 802.1p priority 7 => at least, one VLAN is needed to transmit tagged packets to connected switches. (egress_tagged option)

© Samsung Electronics Co., Ltd. 19 VoIP Auto-QoS (GSIM) [3] * voip_policymap is applied to all ports by default. * Also, user can replace the voip_policymap with a user-defined policymap.

© Samsung Electronics Co., Ltd. 20 VoIP Auto-QoS (GSIM) [4] * Not affected by V/S. By default. * By V/S, priority of VoIP traffic is set to 7 and is enqueued to the highest queue (7).

© Samsung Electronics Co., Ltd. 21 VoIP Auto-QoS (GSIM) [5] * Not affected by V/S. By default.

Samsung Electronics Co., Ltd.