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

Code : STM#211Code : STM#211

Samsung Electronics Co., Ltd.

VoIP ServiceVoIP Service

Distribution

EnglishED01

© Samsung Electronics Co., Ltd. 2

ContentsContents

Delay/LatencyDelay/Latency

JitterJitter

EchoEcho

Packet LossPacket Loss

Voice CompressionVoice Compression

OverviewOverview


Voice & Data Convergence [1]Voice & Data Convergence [1]

Requirement of data networking equipment for VoIP service.

NAPT, Firewall, IDS/IPS Traversal

VPN

QoS

Etc ?


Voice & Data Convergence [2]Voice & Data Convergence [2]

What are advantages of convergence ?Easy Configuration and Maintenance.

Efficient and correct stateful operation for VoIP sesstions.

Potential Advantages. Imagine !!!


Convergence in OfficeServ7400Convergence 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.


V/S Scenario #1. Private Network with F/WV/S Scenario #1. Private Network with F/W

OfficeServ7400

ISP B

GWIM

IP Pone

IP Pone

IP Pone

GWIM

P1

P2P3

SIO

V35 H

SSI

RUN

V35

HSSI

P1

P2

P3R

ST

GLIMP

P1

P2

P3

P4

P5

P6

P7

P8

P9

P10

P11

P12

P13P14

LNK

ACT

LNK

ACTRST G

LIMP

P1

P2

P3

P4

P5

P6

P7

P8

P9

P10

P11

P12

P13P14

LNK

ACT

LNK

ACTRST

GPLIM

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 10.0.0.1/24, VLAN2 for 10.0.1.

1/24 • Firewall enabled

INTERNET

ISP2IP

Pone

ADSL

ADSL

ISPA

CSU/DSU

MP40

MGI64

MGI64GSIM

P1P6

P2P7

P3P8

P4P9

P5P10

LNK

ACTSIO

GSIMVLAN1

VLAN2

IP Pone

IP Pone


V/S Scenario #2. Public Network with F/WV/S Scenario #2. Public Network with F/WV/S Scenario #2. Public Network with F/WV/S Scenario #2. Public Network with F/W

OfficeServ7400

GWIM

IP Pone

IP Pone

IP Pone

GWIM

P1

P2P3

SIO

V35 H

SSI

RUN

V35

HSSI

P1

P2

P3R

ST

GLIMP

P1

P2

P3

P4

P5

P6

P7

P8

P9

P10

P11

P12

P13P14

LNK

ACT

LNK

ACTRST G

LIMP

P1

P2

P3

P4

P5

P6

P7

P8

P9

P10

P11

P12

P13P14

LNK

ACT

LNK

ACTRST

GPLIM

GPLIM

• More than one C class Public IP groups (/24) assigned.

• VLAN1 for 165.213.89.1/24, VLAN2 for 165.213.90.1/24

• Firewall enabled

INTERNET

ISP2IP

Pone

ADSL

MGI64

GSIM

P1P6

P2P7

P3P8

P4P9

P5P10

LNK

ACTSIO

GSIMVLAN1

VLAN2

Metro

MP40

MGI64

IP Pone

IP Pone


V/S Scenario #3. Public and Private Networks V/S Scenario #3. Public and Private Networks with F/Wwith F/W

OfficeServ7400

GWIM

IP Pone

IP Pone

IP Pone

GWIM

P1

P2P3

SIO

V35 H

SSI

RUN

V35

HSSI

P1

P2P3R

ST

GLIMP

P1

P2

P3

P4

P5

P6

P7

P8

P9

P10

P11

P12

P13P14

LNK

ACT

LNK

ACTRST G

LIMP

P1

P2

P3

P4

P5

P6

P7

P8

P9

P10

P11

P12

P13P14

LNK

ACT

LNK

ACTRST

GPLIM

GPLIM

* More than one C class Public IP groups (/24) assigned.

* One private network (192.168.0.1/24) is also employed.

* VLAN1 for 165.213.89.1/24, VLAN2 for 192.168.0.1/24

* Firewall enabled

INTERNET

ISP2IP

Pone

ADSL

MGI64

GSIM

P1P6

P2P7

P3P8

P4P9

P5P10

LNK

ACTSIO

GSIMVLAN1[public]

VLAN2[private]

Metro

MP40

IP Pone

IP Pone


V/S Scenario #4. VoIP between OS7400 and OS7400 V/S Scenario #4. VoIP between OS7400 and OS7400

Site A

GWIM

IP Pone

GWIM

P1

P2P3

SIO

V35 H

SSI

RUN

V35

HSSI

P1

P2P3R

ST

GLIMP

P1

P2

P3

P4

P5

P6

P7

P8

P9

P10

P11

P12

P13P14

LNK

ACT

LNK

ACTRST G

LIMP

P1

P2

P3

P4

P5

P6

P7

P8

P9

P10

P11

P12

P13P14

LNK

ACT

LNK

ACTRST

GPLIM

GPLIM

INTERNET

MGI64

GSIM

P1P6

P2P7

P3P8

P4P9

P5P10

LNK

ACTSIO

GSIMVLAN1[public]

VLAN2[private]

Metro

MP40

IP Pone

IP Pone

Site B

GWIMGWIM

P1

P2P3

SIO

V35 H

SSI

RUN

V35

HSSI

P1

P2

P3R

ST

GLIMP

P1

P2

P3

P4

P5

P6

P7

P8

P9

P10

P11

P12

P13P14

LNK

ACT

LNK

ACTRST

GPLIM

ISPACSU/DSU

MP40

MGI64GSIM

P1P6

P2P7

P3P8

P4P9

P5P10

LNK

ACTSIO

GSIMVLAN1

VLAN2

IP Pone

IP Pone

IP Pone

GLIMP

P1

P2

P3

P4

P5

P6

P7

P8

P9

P10

P11

P12

P13P14

LNK

ACT

LNK

ACTRST

VoIP Signal (SIP, H323, SPNET]

VoIP Media


VoIP Service Functions

GWIMAuto-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.

GLIMPTBD


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


VoIP Service Internal [2]V/S IPC Flow

MCP Data ModuleBootup 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/Rep8-2.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


VoIP Service Internal [3]V/S IPC Flow [Cont.]

MCP Data ModuleCurrent 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.

13-1. MGI_NAPT_Info Rep.13-2. 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 resetRestart V/S IPC

* Only for GWIM* NAPT Auto-conf.

* Only for GWIM

* Under Implemetation


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



* The [VoIP DB] menu allows displaying the current information on the OfficeServ 7400 System (ex: MCP, MGI, IP Phone, WIP Phone)



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.


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

Signal

Media

Media

By DSCP

MCP

MGI

MGI



* 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 ta

gged packets to connected switches. (egress_tagged option)



* voip_policymap is applied to all ports by default. * Also, user can replace the voip_policymap with a user-defined poli

cymap.



* Not affected by V/S. By default.* By V/S, priority of VoIP traffic is set to 7 and is enqueued to th

e highest queue (7).



* Not affected by V/S. By default.

Samsung Electronics Co., Ltd.

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

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