© 2006 Cisco Systems, Inc. All rights reserved. Cisco ConfidentialPresentation_ID 1
CISCO VG224 VOICE GATEWAY
Introduction
© 2006 Cisco Systems, Inc. All rights reserved. Cisco ConfidentialPresentation_ID 2
Cisco: The Unified Communications LeaderMore and more customers
50,000+ Cisco Unified Communications customers worldwide250+ customers deploying more th an 5,000 IP phones, including 30+ customers deploying more than 25,000 IP phonesMore than 70% of the Fortune 500 ® are using Cisco Unified Communications
More true IP endpoints shipped13 M+ Cisco Unified IP phones 9 M+ Cisco Unity seats (Messaging)1.1 M+ Cisco Unified Contact Center agents225 K+ Cisco Unified MeetingPlace licenses
(Rich-media conferencing)
More deployed & proven VoIP infrastructure75 K+ Cisco Unified Communications Manager licenses80 K+ Cisco Unified Communications Manager Express licenses35 M+ VoIP gateway ports90 M+ Power over Ethernet ports All numbers through Jul-07
Cisco has 20+ years experience in IP networking
© 2006 Cisco Systems, Inc. All rights reserved. Cisco ConfidentialPresentation_ID 3
Cisco VG224 Voice GatewayPlatform Overview
Cisco® IOS®-based high-density analog gateway for Cisco IP Communication networks
–Campus locations with Cisco Unified Communications Manager
–Remote or branch office locations behind SRST Router
–SMB or branch behind Cisco Unified Communications Manager Express router
–Analog phones with supplementary features, fax, modem, or IVR interconnection deployments
–Protocol Flexibility;SCCP/H.323/MGCP with Cisco Unified Communications Manager
SCCP/H.323/SIP with Cisco Unified Communications Manager Express or SRST
SIP with Cisco SIP Proxy Server
Hardware
–24 FXS voice ports with RJ-21 telco connector
–1RU 19-inch wall and rack mountable
–Two 10/100 BaseT Ethernet ports for redundancy
–AC or 12V DC (battery) power input
© 2006 Cisco Systems, Inc. All rights reserved. Cisco ConfidentialPresentation_ID 4
Cisco VG224 Deployment TopologyCisco Communications Manager Campus Deployment
Cisco Unified Communications Manager Cluster
PSTN
VG224
SCCP/H.323/MGCP
A
Cisco Unity VM/UM
� Rack and stack VG224 units as needed to utilize existing TDM cabling � SCCP support requires VG224 12.4(2)T and CM 4.1(3) and higher� VG224 delivers high availability with du al homing to redundant switches� Refer to VG224 data sheet fo r features available with CUCM
Optional Redundant Links
VG224 CorporateIP Network
© 2006 Cisco Systems, Inc. All rights reserved. Cisco ConfidentialPresentation_ID 5
Cisco VG224 Deployment TopologyRemote site with SRST Router
CorporateIP Network
PSTN
VG224
FXO
CAS/PRI
T3
T1
SCCP/H.323/MGCP
A
Cisco Unified Communications Manager Cluster
Unity VM/UM
� In case of WAN failure, VG224 will use H.323 to terminate calls via the local SRST router (Cisco ® 7200, 3800, 3700, 2800 or 2600XM) to the PSTN
� SCCP support requires VG224 12.4(2)T and CM 4.1(3) and higher� Refer to VG224 data sheet fo r features available with CCM
Optional Redundant Links
Cisco ISR2800/3800
© 2006 Cisco Systems, Inc. All rights reserved. Cisco ConfidentialPresentation_ID 6
Cisco VG224 Deployment TopologyCisco Unified Communications Manager Express
PSTN
VG224 FXO
T1SCCP/H.323/SIP
CUCME
CorporateIP Network
� VG224 can communicate with CUCME using SCCP, H.323, or SIP
� SCCP Support requires VG224 12.4(2)T and CME 3.3 and higher
� VG224 does not need to support SRST, as it will home to an SRST router
� Refer to VG224 data sheet for features available with CUCME
© 2006 Cisco Systems, Inc. All rights reserved. Cisco ConfidentialPresentation_ID 7
Cisco VG224 Voice GatewayVoIP Implementation
Voice Features
VG224 Capabilities
Call Control Protocols
H.323 with Communications Manager 3.2 and later
MGCP 0.1 with Communications Manager 3.3(3) SR2 and later
SCCP with Communications Manager 4.1(3) and later
H.323 with CME any version
SCCP with CME 3.3 and later
Standards-based SIP support
Packet Voice G.711, G729A
TI 5510 DSPs
VAD
G.168 echo cancellation
Dynamic jitter buffer
Modem Modem passthrough (NSE mode)
Fax Cisco® fax relay
T.38 fax relay
Fax passthrough
© 2006 Cisco Systems, Inc. All rights reserved. Cisco ConfidentialPresentation_ID 8
Cisco VG224 Voice GatewayAnalog Properties
VG224 offers improved analog front end delivering key features
Ringing equivalent number (REN): 5 RENs per port, 12 RENs per system
Ringing voltage: 43V
Idle voltage: High- and low-idle voltage support
Protection: Built-in 100-ohm internal protection
© 2006 Cisco Systems, Inc. All rights reserved. Cisco ConfidentialPresentation_ID 9
Cisco Unified Communications Manager Feature Availabilit ywith VG224 and VG248 Voice Gateways
Analog FeatureVG224 (SCCP)
VG248 (SCCP)
Cisco® IOS®-based platform Yes No
FXS ports 24 48
MWI (stutter) √ √
Basic call (with CCM auto-config) √ √Modem passthrough √ √Fax (T.28, Cisco Frame Relay, passthrough)
√ √
Caller ID √ √
√√√√√√√
SMDI Tunneling available
√
Call waiting √Hook flash transfer √
Feature access code √
Call forward all √
Conference √
√
√
Redial
Speed dial
© 2006 Cisco Systems, Inc. All rights reserved. Cisco ConfidentialPresentation_ID 10
Cisco Communications Manager Express Feature Availabilitywith VG224 Voice Gateways
Analog FeatureVG224 (H.323)
VG224 (SIP)
VG224 (SCCP)
√ √√
√
√MWI (stutter) Via script √
√√√√√√√√
Directed Call Park/Pickup √Directed Call Pickup of Ringing Extension
√
√
√
Via script
Via script
Via script
Phone function
Basic Call √√
√
Via script
Via script
Via script
Phone function
Modem passthrough
Fax (T.38, Cisco Fax Relay, passthrough)
Caller ID
MWI (visual using FSK)
Call waiting
Hook flash transfer
Feature access code
Call forward all
Conference
Redial
Speed dial
© 2006 Cisco Systems, Inc. All rights reserved. Cisco ConfidentialPresentation_ID 11
Cisco VG224 Voice Gateway Standards-Based SIP Features
Basic Features� RFC 3261-compliant
� Registration of dial-plan to proxy
� Per-line auth entication
� T.38/T.37 fax support
� TEL URL support
� Midcall codec change
� Inband DTMF
� Out-of-band DTMF (RFC 2833 and Notify/Info)
� Media inactivity timer
� Accounting (start/stop records)
� QoS: RSVP, DiffServ, CAC
� Bind support
� TACACS+
Security� NAT transversal� Gateway authentication� SRTP
High Availability� DNS SRV RFC2782� HSRP
CorporateIP Network
PSTN
VG224
FXO
CAS/PRI
T3
T1
SIP
© 2006 Cisco Systems, Inc. All rights reserved. Cisco ConfidentialPresentation_ID 12
Cisco VG224 Analog Voice Gateway Benefits
Ease of operation—Cisco® IOS®-based
Provides consistent usability with the rest of the Voice GatewayRouters (Cisco 1700, 2600XM, 2800, 3700, 3800 Series)
Investment protection
Next-generation platform architecture supports SIP and Secure Voice
Manageability
Allows for the same Cisco IOS images across network
Increased reliability and high availability
Two 10/100 Mbps ports for dual homing
Field-proven levels of interoperability and voice quality
Proven and consistent DSP technology across networks
© 2006 Cisco Systems, Inc. All rights reserved. Cisco ConfidentialPresentation_ID 13
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