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© 1999, Cisco Systems, Inc.
Open Packet Telephony Architecture Session 1506
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Agenda • Market Developments Early Drivers for Voice Over Packet Networks
• PSTN Elements • Technology Developments Open Packet Telephony Architecture
• Architecture Choices • Architecture and Products 1506 1005_05F9_c2
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© 1999, Cisco Systems, Inc.
Market Developments Explosive Growth
Market Expansion Data
Traffic Volume
Enterprise Medium Business Small Business
Voice
Residential
Rapid Change
Increased Competition $ Competition
Units 1506 1005_05F9_c2
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Lower Costs Higher Utilization
Scale
1 Internet Access, Residential Real-Time Fax, Business
0.9 0.8 0.7
Broadcast Fax Opportunity
0.6
Utilization
0.5 0.4 0.3
ISP Dial Modem Busy Hours
Cost Per Port
Number of Ports
Internet Voice/Fax Opportunity
0.2 0.1 0 0
2
4
6
8
10
12
14
16
18
20
22
Time
24
Time of Day
Modular Growth
Infrastructure Integration Multiservice Backbone Network Control
Cumulative Cost
Signaling and Control End Office Switching Node
Ports 1506 1005_05F9_c2
Control Distribution Network Access 5
© 1999, Cisco Systems, Inc.
New World Service Architecture Strategy
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Agenda
• Market Developments • PSTN Elements • Technology Developments Open Packet Telephony Architecture
• Architecture Choices • Architecture and Products 1506 1005_05F9_c2
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© 1999, Cisco Systems, Inc.
Traditional Switch Architecture • Legacy TDM closed architecture • Limited scalability, bottlenecks • Complex, inflexible • Tied to physical infrastructure • Lack of open, standard interfaces 1506 1005_05F9_c2
Services Plane IN Voice Service Logic
Service Logic
Platform Embedded Call Control Plane Signaling and Call Control Service Access Function Switch-Based Service Logic End to End Voice Services
Call Logic
Connection (Bearer) Plane Embedded Software Connection Negotiation Bearer Switching
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Switching Logic
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The Limitations of TDM • Rigid hierarchy yields high cost per bit • Lower-margin services disfavor new investment Customer Premise
Local CO
Interexchange Class 4 Switch
Class 5 DS0 Switch
Local CO
DS1
DS1
DS1
DS3
DS3
DS3
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DS1
DS3
DS3 SONET ADM
SONET ADM DS1/DS3
DS0
3/1 DACS
3/1 DACS DS3
Class 5 Switch
Class 4 DS0 Switch
DS0
Customer Premise
OC48
DS1/DS3
OC48
OC48
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© 1999, Cisco Systems, Inc.
Advantages of Packet Switching • Optimized infrastructure for data services • Statistical muxing over largest available pipe • “Flattened” network reduces costs Customer Premise
DS1
Local CO
Interexchange
~ ~ ~
Ethernet
WDM
~ ~ ~
OC-48c OC-48c
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Local CO
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Customer Premise
Ethernet DS1
OC-48c OC-48c
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Agenda
• Market Developments • PSTN Elements • Technology Developments Open Packet Telephony Architecture
• Architecture Choices • Architecture and Products 1506 1005_05F9_c2
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© 1999, Cisco Systems, Inc.
Open Standards Change the Model
Traditional MainframesTelephony and SNA
Client/Server Packet Telephony and TCP/IP
• Proprietary
• Public standards
• Closed
• Open systems
• Inflexible
• Flexible
• Monolithic
• Teams and partners
• Extremely expensive
• Inexpensive
• Old world speed
• Internet time
Market Transition = Opportunity 1506 1005_05F9_c2
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Goals for an Open Architecture • Voice services over heterogeneous networks • Independence from underlying network transport infrastructure • Open framework to control voice services • Access to intelligence at the edges of the network • Interoperability to legacy networks and services • Support rapid network and service provisioning 1506 1005_05F9_c2
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© 1999, Cisco Systems, Inc.
New-World Ecosystem NetSpeak Telecordia HP TransNexus IBM OpenPort GRIC Unisys Glenayre eFusion NetCentric VocalTec Priority Call InfoInteractive Comverse
Services Bellcore Bosch CAP Gemini
KPMG INS
Professional Services HP
Open Architecture
MicroMuse Mind CTI Portal Solect
Operations
Telecordia Syndesis
Anderson Consulting 1506 1005_05F9_c2
Remedy
Belle Systems
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Functional Architecture Network and Systems Integration OAM and P Services Control
SS7
Software Service Elements Platforms
Telephone Switch PBX 1506 1005_05F9_c2
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© 1999, Cisco Systems, Inc.
Open Packet Telephony Architecture Services Plane IN Service Logic AAA, Address Resolution
Service Logic
IN/AIN/CTI
Call Control Plane Signaling and Call Control Service Access Function Switch-Based Service Logic End to End Voice Call Call Services Logic Logic
Interworking Tool Set Definition Conversion Simulator Configuration Analyzer
OSS
Service Innovation Service Node
Billing Net. Mgt. Fault Mgt. Call Agent Service Gatekeeper Provisioning Cust. Provisioning
SCP
Others
Call Agent Gatekeeper
S/MGCP—RAS—SIP
Connection Plane
Switching
Connection Negotiation Logic Transcoding Bearer Switching Media Control: SIP, H.323, PNNI, etc. 1506 1005_05F9_c2
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Reference Architecture Gateway
Aggregation
Backbone/ Core
ISDN/Dial
DSL
Router
Content Network
Circuit Core
Dedicated/ Frame Relay/ATM
ISP (a, b, c)
ATM Core
Cable/Wireless Svc Policy Mgmt.
Corporate Gateway (a, b, c)
IP Core
STB 1506 1005_05F9_c2
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© 1999, Cisco Systems, Inc.
Open Packet Telephony Control Architecture Call Control
STP
SCP
Legacy IN
PSTN V
H.323/SIP
“Virtual Switch” VoIP GW ATM Edge
QoS Packet Backbone
PBX Cable
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DSLAM
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IP SCP
TINA-C
CTI
Route Servers
Voice DEN
AAA
IP SN
DNS/ DHCP
Next Generation IP-Based Services
Integrated Network and Service Management 18
9
Linking the Enterprise to the Service Provider
Intranet CiscoAssure
Assured Interoperability
Enterprise Network
Extranet
Service Provider Network • Common Software Routing Quality of Service Security Policies Management Tools
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© 1999, Cisco Systems, Inc.
Requested Service Applications • Debit Card
• Prepaid Cellular
• Calling Card
• Personal Assistant Follow-me/Find-me
• Personal Teleconferencing
• Single Number Voice/Fax
• Fax Store and Forward
• Intelligent Call Screening
• Enhanced Voicemail
• Virtual Office • Intelligent Network Dialing • Interactive Voice Response • Never Busy Fax • Voice Controlled Services
• Multimedia Call Notification • Voice Activated Dialing • Fraud Control • Virtual Telephone
• Return Call • Travel Cards • Enhanced 800 Service • Internet Enabled Applications • Operator Services
• Inbound/Outbound Call
• Closed User Group
• Financial Telemanagement Services
• Management
• Virtual Private Networking
• International Least Cost Routing
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• 1+ Resale
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Agenda
• Market Developments • PSTN Elements • Technology Developments Open Packet Telephony Architecture
• Architecture Choices • Architecture and Products 1506 1005_05F9_c2
© 1999, Cisco Systems, Inc.
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Packet Telephony Architecture Choices • Intelligent Network/Simple Endpoints • Simple Network/Intelligent Endpoints • Hybrid—Intelligent Network and Endpoints • Layer 2 Access Network Voice Carriage 1506 1005_05F9_c2
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Packet Telephony Architecture Choices • Intelligent Network/Simple Endpoints SS7, Gateway Control Protocol (SGCP/MGCP)
• Simple Network/Intelligent Endpoints Session Initiation Protocol (SIP)
• Hybrid—Intelligent Network and Endpoints H.323
• Layer 2 Access Networks Voice Carriage VoFR (FRF11), VoATM 1506 1005_05F9_c2
© 1999, Cisco Systems, Inc.
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H.323—Multimedia Standard for IP Networks • The H.323 standard provides a foundation for audio, video, and data communications across IP-based networks, including the Internet • Original standard approved in 1996 and H.323 V2 was approved January 1998 • H.323 is an umbrella recommendation from the International Telecommunications Union (ITU) that sets standards for multimedia communications over Local Area Networks (LANs) that do not provide a guaranteed Quality of Service (QoS) • H.323 is H.320 Recast for IP LAN 1506 1005_05F9_c2
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H.323—System Components • H.323 defines four major components for a network-based communications system Terminals Gateways Gatekeepers Multipoint Control Units 1506 1005_05F9_c2
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© 1999, Cisco Systems, Inc.
H.323—System Components H.323 MCU H.323 Terminal
H.323 Terminal Scope of H.323
WAN RSVP H.323 Gatekeeper
H.323 Terminal H.323 Gateway
PSTN
V.70 Terminal 1506 1005_05F9_c2
H.324 Terminal
ISDN
Speech Terminal
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H.320 Terminal
Speech Terminal 26
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Gatekeeper Functions • Mandatory services:
• Optional services:
Address translation Admissions control Bandwidth control Zone management
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Call control signaling Call authorization Bandwidth management and reservation Call management Gatekeeper management information data structure Directory services 27
© 1999, Cisco Systems, Inc.
H.323 RAS
• Gatekeeper functions xRQ/xCF/xRJ
• Gatekeeper verbs Admit, bandwidth change, disconnect, gatekeeper, information, locate, register, unregister
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H.323—H.323 Direct Call Model Services Plane Service Logic
IN Service Logic AAA, Address Resolution
OSS
Call Control Plane Call Call Logic Logic
Signaling and Call Control Service Access Function Switch-Based Service Logic End to End Voice Services
Connection Plane Connection Negotiation Transcoding Bearer Switching Media Control: H.323
1506 1005_05F9_c2
Billing Net. Mgt. Fault Mgt Service Provisioning Cust. Provisioning
H.323
Switching Switching Logic Logic
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© 1999, Cisco Systems, Inc.
H.323—Gatekeeper Routed Call Model Services Plane Service Logic
IN Service Logic AAA, Directory Service Address Resolution
Gatekeeper
IN/AIN—CTI APIs
Call Control Plane Signaling and Call Control Service Access Function Switch-Based Service Logic End to End Voice Services
OSS
Call Call Logic Logic
Billing Net. Mgt. Fault Mgt. Service Provisioning Cust. Provisioning
GK to GK Protocol
Gatekeeper
H.225 H.245 RAS
RAS
Connection Plane Connection Negotiation Transcoding Bearer Switching Media Control: H.225, H.245 1506 1005_05F9_c2
Switching Logic
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Open Packet Telephony H.323 Implementations Service Innovation
Services Plane Service Logic
IN Service Logic AAA, Directory Service Address Resolution
Signaling and Call Control Service Access Function Switch-Based Service Logic End to End Voice Services
GK to GKVocaltec Protocol eFusion Gatekeeper
Billing Net. Mgt. Gatekeeper Fault Mgt. Service Provisioning Cust. Provisioning
IN/AIN—CTI APIs
Call Control Plane
Vocaltec eFusion Netspeak
OSS
Call Call Logic Logic
Netspeak
H.225 H.245 RAS
RAS
Connection Plane Connection Negotiation Transcoding Bearer Switching Media Control: H.225, H.245 1506 1005_05F9_c2
Switching Logic
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© 1999, Cisco Systems, Inc.
Typical Application Toll Bypass PBX
PBX
PSTN 4 to 12 Analog Ports
3620
V
QoS WAN (Intranet)
Branch Office 1506 1005_05F9_c2
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3640
V
Headquarters 32
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Typical Application Off-Premise Extension 3640 V
PBX
PSTN 4 to 12 Analog Ports
QoS WAN (Intranet)
Branch Office 1506 1005_05F9_c2
3640
V
Headquarters 33
© 1999, Cisco Systems, Inc.
H.323 Applications • NetSpeak Card Services Pre and Post Paid Gatekeeper
• NetCentric Fax Store and Forward
• eFusion
• InfoInteractive Internet Call Waiting
• VocalTec Card Services Post Paid
• Other applications 2nd half CY ’99
• Amteva Single Number Reach IP Voice Mail Unified Communications
• GRIC and TransNexus Clearinghouse Services
Internet Call Waiting Click-to-Talk
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H.323 Generic Call Flow TCP Connection SETUP
H.323 CONNECT (H245 Address)
Q.931
TCP Connection H.245 Messages
Open Logical Channels (RTCP Address)
H.245
(RTCP and RTP Addresses) (RTCP Address)
(RTCP and RTP Addresses) RTP Stream RTP Stream RTCP Stream 1506 1005_05F9_c2
Media
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© 1999, Cisco Systems, Inc.
H.323 Resources • H.323 Standards ftp://itu-t:
[email protected]/
• VoIP Forum ftp://ftp.imtc-files.org/imtc-site/VoIPAG/Incoming
• General Information http://www.pulver.com 1506 1005_05F9_c2
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Simple/Media Gateway Control Protocol • SGCP Simple Gateway Control Protocol
• MGCP Media Gateway Control Protocol MGCP Is an Enhancement to SGCP that Includes Signaling Backhaul and Resource Management; SGCP Is a Proper Subset of MGCP 1506 1005_05F9_c2
© 1999, Cisco Systems, Inc.
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SGCP—SIMPLE Gateway Control Protocol • Simple Device Control Protocol designed to provide network-based control of large IP/PSTN VoIP gateways and IP-based appliances that connect POTS phones to IP networks • Protocol submitted to IETF May 1998 • Complimentary to end to end signaling protocols like H.323 and SIP 1506 1005_05F9_c2
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SGCP—SIMPLE Gateway Control Protocol • Low CPU/memory requirement for endpoint • Simple to use and program • Powerful enough to support current: Basic telephony services Enhanced telephony services, e.g., call waiting, call transfer, conferencing, etc.
• Flexible enough to support future IP telephony services 1506 1005_05F9_c2
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© 1999, Cisco Systems, Inc.
Open Packet Telephony Architecture S/MGCP Implementation Services Plane Service Logic
IN Service Logic AAA, Address Resolution IN/AIN—CTI APIs
Call Control Plane Signaling and Call Control Service Access Function Switch-Based Service Logic End to End Voice Call Call Services Logic Logic
Interworking Tool Set Definition Conversion Simulator Configuration Analyzer
OSS
Billing Net. Mgt. Fault Mgt.. Service Provisioning Cust. Provisioning
Service Innovation Service Node
SCP
Call Agent
Others
Call Agent
Inter-Call Agent Protocol
SGCP/MGCP SGCP/MGCP
Connection Plane Connection Negotiation Transcoding Bearer Switching Media Control: S/MGCP, Etc. 1506 1005_05F9_c2
Switching Logic
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SGCP Scope • Endpoint control Media establishment Scalable telemetry Event-action table
• Event/action synchronized with control path Avoid race conditions
• SGCP is intended to be an adjunct to some other signaling scheme 1506 1005_05F9_c2
© 1999, Cisco Systems, Inc.
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Provides for Reliability • UDP-based: TCP not appropriate for Real Time Protocols Provides for failover Scalable: allows for millions of endpoints TCP retransmissions don’t cause interference Requests are acknowledged Success; Transient Error; Permanent Error Retry lost requests
• Relies on DNS Multiple IP addresses for a name—retry Substitute backup nodes for failed nodes 1506 1005_05F9_c2
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SGCP Basics
• Endpoints • Connections Modes: send; receive; send/receive; inactive; loopback; continuity test
• Calls (grouping of connections) • Call agents 1506 1005_05F9_c2
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© 1999, Cisco Systems, Inc.
SGCP Primitives • NotificationRequest: Instructs the Gateway to watch for specific events
• Notify: Inform CA when requested events occur
• CreateConnection: Create a connection to an “Endpoint” inside the Gateway
• ModifyConnection: Change the parameters associated with an established connection
• DeleteConnection: Delete an existing connection—Ack returns call statistics 1506 1005_05F9_c2
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Notify Request—Signals, Events • Signals: Ringing; distinctive ringing (0…7); ring back tone; dial tone; intercept tone; network congestion tone; busy tone; confirm tone; answer tone; call waiting tone; off hook warning tone; preemption tone; continuity tone; continuity test; DTMF tones; ASDI display
• Events: fax tones, modem tones; continuity tone; continuity detection (as a result of a continuity test), on-hook transition; off-hook transition; flash hook; DTMF digits 1506 1005_05F9_c2
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© 1999, Cisco Systems, Inc.
Notify Request— Actions, Digit Maps • Event-action table Associated with every event Notify the event immediately, together with the accumulated list of observed events; swap audio; accumulate according to digit map; ignore the event
• Digit map Uses pattern matching rules (similar to UNIX EGREP) Limits endpoint telemetry traffic 1506 1005_05F9_c2
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SGCP Call Flow Basic Call—L-GW to PSTN Phone
L-GW1
Off-hook dial-tone
CA
SS7-GW (ISUP)
T-GW1
Notify (1) NotificationRequest (2)
digits Notify (3) CreateConnection (4)
IAM (5) CreateConnection (6) Notify (7)
Modify Connection (11)
COT (8) ACM (9) ANM (10)
Conversation REL (12) DeleteConnection (14)
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RLC (13)
CreateConnection (15)
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© 1999, Cisco Systems, Inc.
SGCP Resources
• SGCP standard ftp://ftp.ietf.org/internet-drafts/drafthuitema-sgcp-v1-00.txt
• General SGCP information http://sgcp.bellcore.com
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Open Telephony Architecture SIP Implementation Services Plane Service Logic
IN Service Logic AAA, Address Resolution IN/AIN—CTI APIs
Call Control Plane Signaling and Call Control Service Access Function Switch-Based Service Logic End to End Voice Call Call Services Logic Logic
Interworking Tool Set Definition Conversion Simulator Configuration Analyzer
OSS
Billing Net. Mgt. Fault Mgt.. Service Provisioning Cust. Provisioning
Service Innovation Service Node
SCP
Others
SIP
SIP
Connection Plane Connection Negotiation Transcoding Bearer Switching Media Control: S/MGCP, etc. 1506 1005_05F9_c2
Switching Logic
49
© 1999, Cisco Systems, Inc.
Open Telephony Architecture SIP Implementation Services Plane Service Logic
IN Service Logic AAA, Address Resolution IN/AIN—CTI APIs
Call Control Plane Signaling and Call Control Service Access Function Switch-Based Service Logic End to End Voice Call Call Services Logic Logic
Interworking Tool Set Definition Conversion Simulator Configuration Analyzer
OSS
Billing Net. Mgt. Fault Mgt.. Service Provisioning Cust. Provisioning
Service Innovation Service Node
SCP
SIP Server
Others
SIP Server SIP
SIP
Connection Plane Connection Negotiation Transcoding Bearer Switching Media Control: S/MGCP, etc. 1506 1005_05F9_c2
Switching Logic
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Intelligent Endpoints—SIP SIP Goals • To supports some or all of five facets of establishing and terminating multimedia communications: User location User capabilities User availability Call setup Call handling 1506 1005_05F9_c2
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© 1999, Cisco Systems, Inc.
SIP Architectural Elements
• Clients • Servers Proxy Redirect User agent 1506 1005_05F9_c2
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SIP Call Flow—Proxy cs.columbia.edu
?
44 Location Server INVITEhgs@play From:
[email protected] To:
[email protected] Call-ID:
[email protected]
cs.tu-berlin.de
[email protected]
8 200 OK From:
[email protected] To:
[email protected] Call-ID:
[email protected] 9 CONNECTEDherring@cs columbia.edu Call-ID:
[email protected]
Lion
12 200 OK
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Hgs@play
From:
[email protected] To:
[email protected] Call-ID:
[email protected]
herring
1
[email protected] 33
7
66 200 OK
From:
[email protected] To:
[email protected] Call-ID:
[email protected] CONNNECTEDhgs@play From:
[email protected] To:
[email protected] Call-ID:
[email protected]
Tune
Play
hgs
10 10 11 11 200 OK
53
© 1999, Cisco Systems, Inc.
SIP Call Flow—Redirect cs.columbia.edu
?
[email protected]
22
Location Server Hgs@play
cs.tu-berlin.de
From:
[email protected] To:
[email protected] Call-ID:
[email protected] 4 302 Moved Temporarily Location:
[email protected] From:
[email protected] To:
[email protected] Call-ID:
[email protected]
herring
1
[email protected]
33
5 INVITEhgs@play Lion
From:
[email protected] To:
[email protected] Call-ID:
[email protected] 7 200 OK From:
[email protected] To:
[email protected] Call-ID:
[email protected] 8
[email protected] Call-ID:
[email protected]
Tune 66
Play
hgs
9 200 OK
1506 1005_05F9_c2
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SIP Resources
• SIP standard ftp://ftp.ietf.org/internet-drafts/draft-ietfmmusic-sip-04.txt
• General SIP information http://www.cs.columbia.edu/~hgs/sip/
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S/MGCP vs. H.323 Comparison • Scope S/MGCP—Device control protocol H.323—Full-featured video conferencing
• Status S/MGCP—IETF/ITU working together to standardize H.323—V3 in ITU approval cycle
• Interoperability S/MGCP—Multiple vendors already interoperable H.323—Demonstrated, but problematic 1506 1005_05F9_c2
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S/MGCP vs. H.323 Comparison • Call setup overhead S/MGCP—as little as two round trips H.323—7 or 8 round-trips (2 in V2)
• Call control functions S/MGCP—Device connection control H.323—Based on GK routed call functions
• Control transport S/MGCP—UDP (multicast, firewalls) 1506 1005_05F9_c2
H.323—TCP © 1999, Cisco Systems, Inc.
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SIP vs. H.323 Comparison • Scope SIP—Full-featured multimedia protocol H.323—Full-featured video conferencing
• Status SIP—Basic SIP ready for proposed standard H.323—V3 in ITU approval cycle
• Interoperability SIP—Initial bake-off, some interoperability achieved H.323—Demonstrated, but problematic 1506 1005_05F9_c2
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SIP vs. H.323 Comparison • Call setup overhead SIP—as little as one round trip H.323—7 or 8 round-trips (2 in V2)
• Call control functions SIP—Relies on existing protocols H.323—Based on GK functions
• Control transport SIP—UDP (multicast, firewalls) 1506 1005_05F9_c2
H.323—TCP © 1999, Cisco Systems, Inc.
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S/MGCP vs. SIP Comparison • Scope SIP—Full feature multimedia protocol S/MGCP—Device control protocol
• Status SIP—Basic SIP ready for proposed standard S/MGCP—IETF/ITU working together to standardize
• Interoperability SIP—Initial bake-off, some interoperability achieved S/MGCP—Multiple vendors already interoperable 1506 1005_05F9_c2
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FRF.11 Overview • Access devices End system devices Transparent multiplexing devices Switching system devices
• Payloads Encoded voice and data Inband indications Dialed digits/signalling information/FAX or data 1506 1005_05F9_c2
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© 1999, Cisco Systems, Inc.
Voice Over FR • Efficient user of bandwidth • Supports multiservice solutions • Uses simple concepts of virtual circuits
• Large number of virtual circuits in large networks • Multimedia applications being developed to IP
• Gateways are inexpensive 1506 1005_05F9_c2
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Which Packet Telephony Protocol? What’s the Right Answer? • No single VoIP protocol will emerge as clearly dominant; all three will be in use • Therefore, service providers will be required to support all of them • What is needed is protocol interworking 1506 1005_05F9_c2
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© 1999, Cisco Systems, Inc.
Virtual Switch Controller (VSC) Call Control Protocol Interworking Universal Call Model
DPNSS Q.SIG ETSI PRI
Any Protocol
41459 Q.931 N1-2 SS7/C7*
Message Definition Language
Protocol Simulator
Protocol Trace and Debug
Element Management
Protocol Library
*Future 1506 1005_05F9_c2
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VSC Call Processing Engine Signaling Signaling Interworking Interworking Trigger Trigger Processing Processing Digit Digit Analysis/Routing Analysis/Routing
External External System System Interface Interface
IN IN Dialog Dialog Services Services Interface Interface
Layer 3 or 4
UCM Internal Events
Universal Universal Resrc. Resrc. Call Call Model Model Mgr. Mgr. (UCM) (UCM)
Terminating Terminating Call Call Control Control
L2
Layer 3 or 4
Originating Originating Call Call Control Control
Protocol Adapter Adapter Protocol
Protocol Adapter Adapter Protocol
Bearer Control— SGCP, VSI, Etc.
L2
L1 Network/User Network/User Signaling Signaling Call Call Instantiation Instantiation UCM UCM Interworking Interworking 1506 1005_05F9_c2
Call Context Data
L1
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Agenda
• Market Developments • PSTN Elements • Technology Developments Open Packet Telephony Architecture
• Architecture Choices • Products 1506 1005_05F9_c2
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Connection Plane • Broad portfolio breadth Expands service provider’s market reach
Services Plane
Match expenses to revenue Call Control Plane
IP, ATM or FR
• Deliver carrier-class voice quality • Service providers can leverage Cisco’s success in the enterprise 1506 1005_05F9_c2
Connection Plane
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Connection Plane Product Portfolio High Compression
Cisco IGX 8400 Cisco AS5300 Cisco AP VS3
Cisco 2600
WAN
Voice Cisco MC3810 Processing Cisco 3600 Cisco 7xx Cisco 800 Phones Low Circuit Emulation Low
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Cisco BPX 8600 Cisco 12000 Cisco 7500
MAN
Cisco 7200
Network
Selsius
Cisco LS1010 Cisco Catalyst® 5500 Cisco Catalyst 8500
Data/Voice/Video Capacity
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Campus High
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Solution Components— Cisco AS5300 Independent Test Rated Cisco No. 1 in VoIP • Key Applications VoIP Toll Bypass Fax relay Modem / ISDN Internet access
• Performance Embedded, highperformance, low-latency architecture
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• Carrier Class Highly scalable Supports 96/120 calls (4 T1/E1/PRI) per 2 RU 10MB & 10/100MB Ethernet
• VoIP protocol support H.323, RTP, RTCP, NTP, CRTP
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Cisco AS5300 Voice/Fax Feature Card • High Performance Voice Processing Specifically designed for real-time, high quality voice processing Industry standard CODECS including: G.729, G.723.1, G.711 Full Featured Voice Processing including: echo cancellation, VAD/Silence Suppression, programmable frame size
• Group III FAX relay • Distributed IP Processing QoS packet designation on-card
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Solution Components— AccessPath-VS4 • Highly scalable CT1/PRI VoIP port capacity: 192 to 2018 CE1/PRI VoIP port capacity: 240 to 2520 Integrated gatekeeper & programmable VCO/4K switch (optional)
• High Availability VoIP feature shelves: hot swap and RPS Gatekeepers: failover w/ HSRP DASA: No single point of failure NEBS Level 3 compliant
• Completely integrated solution Dial, switching, backhaul routing, system controller Configurator—quick deployment, user-friendly configuration 1506 1005_05F9_c2
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Modular Access Router Family • 50–70 kpps fast switching • 3–4 kpps process switching • Four network module slots
Cisco 3640
• 25–40 kpps fast switching • 1.5–2 kpps process switching • Two network module slots
Cisco 3620
• 12–25 kpps fast switching • LAN interfaces integrated • One network module slot
Cisco 2600 Versatility Integration Performance
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Network Modules—Voice/Fax • Flexible Voice Interfaces (VICs) • DSP architecture—TI542 FXS 2-, 4-wire E&M types I, II, III, V FXO BRI VIC—Up to 4 voice channels
• Diverse signaling
G.729 CS-ACELP—8K G.711 PCM Group III fax relay
• Voice transport support Voice over IP—H.323 Voice over frame—VoFR, FRF.11, and FRF.12 Future support for: VoATM
Delay, immediate, and wink start Loop and ground start
• Two versions NM-1V (1 VIC slot) NM-2V (2 VIC slots)
Editors’ choice: Computer Telephony March 1998 1506 1005_05F9_c2
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MC3810 Multiservice Access Concentrator Voice over Frame Relay or ATM G.729, G.729a, G.726, G.711
Group III Fax Relay
• Analog Voice Module (pictured here) FXS, FXO or E&M up to six interfaces in any combination
• Digital Voice Module—T1 or E1
•
Up to 30 channels—24 compressed Q.SIG PRI CAS and CCS transparent signaling BRI Voice Module 4B+2D Q.SIG
• Video MCM H.323 gatekeeper and proxy AAL1 ATM stream 1506 1005_05F9_c2
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MultiFlex Trunk T1/E1 Uplink BRI Back-up Option Built-in CSU/DSU Drop and Insert
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Catalyst 8500 Family Cisco IOS Multiservice ATM Switch Router Smooth Integration and Investment Protection Integrated Wirespeed IP, IPX and IP Multicast Routing Rich ATM and Layer 3 QoS Capabilities
Performance
Catalyst 8540 Line Modules
5, 10 Gbps to 40 Gbps Multiservice ATM Switch Wire Speed (6–24 Mpps) throughput
OC3, OC12, OC-48 ATM and Future PoS 10/100 , GE, FE/GE Channel
LightStream ® 1010
Chassis NonBlocking Fabric Hot Swappable Cards Full Redundancy
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Catalyst 8510
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Call Control Plane— Cisco MCM H.323 Gatekeeper • Scalable address resolution • Proxy for secure access to enterprises • Bandwidth management
Services Plane
Call Control Plane MCM
MCM
• Radius support for authentication/ accounting (CDR) • Provides QoS for intra zone calls
Connection Plane
• H.323 traffic segregation 1506 1005_05F9_c2
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Call Control Plane—Virtual Switch Controller • Powerful call control engine for service providers • Cost effective alternative to traditional TDM solutions • Telco class, NEBS compliant solution • Scalable • Comprehensive call accounting detail • Broad signaling support 1506 1005_05F9_c2
Services Plane
Call Control Plane VSC
VSC
Connection Plane
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© 1999, Cisco Systems, Inc.
Services Plane—H.323 • NetCentric Fax Store and Forward
• GRIC
• TransNexus Clearinghouse svcs
Services Plane
• VocalTec
Clearinghouse svcs
• NetSpeak Calling card svcs
• eFusion Internet Call Waiting Click-to-Talk
Partners
Calling card svcs
• Amteva
Call Control Plane
Single Number Reach IP Voice mail Unified Communications
• InfoInteractive
Connection Plane
Internet Call Waiting 1506 1005_05F9_c2
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Services Plane—Service Node VCO/4K Partners • Voice Messaging—Unisys, Priority Call • Calling Card—Comverse, Vicorp, Simplified • Debit Card—Comverse, Glenayre, Synapsys • International Callback—Compro, ITL • Operator Services—MD Telecom • Predictive Dialing—Castel • Directory Assistance—Voicetek/Aspect • Voice Dialing—Intellivoice • Lawful Intercept—ADC • Single Number—Priority Call, Compaq/DEC • Web-Enabled Services—Timeshift 1506 1005_05F9_c2
Services Plane VCO/4K Partners
Call Control Plane
Connection Plane
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Please Complete Your Evaluation Form Session 1506
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