© 2009 avaya inc. all rights reserved. introduction to sip trunking alan klein consulting systems...
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© 2009 Avaya Inc. All rights reserved.
Introduction to SIP TrunkingIntroduction to SIP TrunkingAlan KleinConsulting Systems [email protected] February 2009
© 2009 Avaya Inc. All rights reserved.
Flavors of SIP Trunking
Service Provider Service Provider
Service Provider Enterprise / Contact Center(one or multiple locations)
Enterprise / Contact Center Enterprise / Contact Center
Enterprise / Contact Center Application Servers
SIP trunking can be over the LAN, WAN or dedicated circuits.
SIP trunking can be over the LAN, WAN or dedicated circuits.
© 2009 Avaya Inc. All rights reserved.
Building Blocks of SIP Trunking
Service Provider
– Service
– Session Border Controller (SBC)
Customer Premise
– Edge security device: SBC, Firewall, etc
– Communication Platform: Server(s), Gateway(s),SIP Proxies, etc
– Application Servers: messaging, video & audio conferencing, collaboration tools, IM, Presence, and more
– Endpoints: hardphones, softphones, mobile devices, application integration
Service Provider
SBCServer / Gtwy
… or direct connection
© 2009 Avaya Inc. All rights reserved.
Building a SIP Trunk (Drag & Drop)
Service Provider
Avaya Communication Manager (IP-PBX)
Avaya SIP Enablement Server (SIP Proxy)
Session Border ControllerApplication Notes for Configuring Avaya Communication Manager SIP Trunking to
a Typical SIP Service Provider – Issue 1.1
http://www.avaya.com/master-usa/en-us/resource/assets/applicationnotes/
genspsiptrk-v1-1.pdf
© 2009 Avaya Inc. All rights reserved.
Service Provider
SIP Proxy
Architecture
3rd partysystems
High Density Gateways (Avaya G860)
VoicePortal
Outsourcer
Communication Manager systems
BranchAgents
Remote Agents
Business Applications
Conferencing Unified Messaging
© 2009 Avaya Inc. All rights reserved.
CM to ITSP (Outbound call)
• If the Far-end Domain is filled out then the “Request URI” and the “To” headers will reflect the information.
• The Public-unknown numbering plan inserts the From extension.
• The Near-end Clan for the signaling group has an ip-network-region authoritative domain that will appear in the “From” header.
© 2009 Avaya Inc. All rights reserved. 7© 2007 Avaya Inc. All rights reserved. Avaya – Proprietary & Confidential. Under NDA
© 2009 Avaya Inc. All rights reserved.
The Enterprise InfrastructureThe Enterprise InfrastructureAlan KleinConsulting Systems [email protected] February 2009
© 2009 Avaya Inc. All rights reserved.
LAN
Avaya Communication Manager G650 Gateways
Digital/Analog
IP Phone
IP WAN
A
E
B
D
C
The Enterprise Infrastructure
Micro SitesG250
S8300 LSP or basic survivability
Small Sites G350 S8300 LSP or basic
survivability
Medium SitesG450’s
S8300 LSP
Large and/or Backup SitesG650, ESS
© 2009 Avaya Inc. All rights reserved.
Limitation & Challenges of Private IP (H.323/SIP) Trunking
IP WANIP WAN
PSTNLocal &
Long Distance
PSTNLocal &
Long Distance
IP Data &Telephony
• Private IP (H.323/SIP) trunks are limited to VoIP communications between internal systems/sites• Separate TDM interfaces are required for external communication (partners/suppliers/customers)• Extra cost, extra hardware, extra complexity
Customers/ Partners/ Suppliers
LAN LAN
TDM in
terfa
ces TDM
interfaces
Why SIP Trunking?Why SIP Trunking?
IP Phone IP Phone IP Phone IP Phone
Exter
nal C
omm
unicat
ions
External Comm
unications
Internal Communications
© 2009 Avaya Inc. All rights reserved.
SIP TrunkingA Single Pipe to the Cloud
WANWAN
PSTNLocal &
Long Distance
PSTNLocal &
Long Distance
H.323
SIPSIP
Customers/ Partners/ Suppliers
LAN LAN
IP Phone IP Phone IP Phone IP Phone
• Single IP link for voice/data• Optimize use of WAN access by consolidating voice and data services• Reduce PSTN interfaces for long-distance and local access• Assign local telephone numbers to any ‘virtual location,’ independent of physical location• Prepares for future SIP solutions
© 2009 Avaya Inc. All rights reserved.
Components of SIP Trunking Solution
SIP
Modular Messaging
Voice Portal
CM Branch EditionCommunication Manager
SESMeeting Exchange
SBC
DS3/ISDN
G860
IP Office
CustomersPartnersSuppliers
Avaya one-X©
Communicator
ITSPPSTN
SIP
SIP
CustomersPartnersSuppliers
© 2009 Avaya Inc. All rights reserved. 13© 2007 Avaya Inc. All rights reserved. Avaya – Proprietary & Confidential. Under NDA