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Edge
Services
DMZ
Front End Back End
UC Endpoints
Media GW
UC
Pool
Direct SIP
Mediation Servers
IP-PBX
ExUM
On-premises
Archiving
Monitoring
AD DNS
SIP Trunking
PIC
XMPP
MSN
AOL
Yahoo
Remote
Users
Federated
Businesses
PSTN
IP-PBX
SIP Trunking
Direct SIP
Analog Devices
Mediation
Server
Edge
Services
DMZ
Front End - (incl. Mediation) Back End
UC Endpoints
UC
Pool
ExUM
On-premises
Archiving
Monitoring
AD DNS
PIC
XMPP
MSN
AOL
Yahoo
Remote
Users
Federated
Businesses
PSTN
AV Conf.
Media GW / SBA
Enabled through two enhancements that lower TCO and optimize quality
OCS 2007 R2
Lync Server 2010
Route GW
Route_US LAX_GW
Route_EUR DE_GW1
DE_GW2
Route_APAC SYD_GW
Route GW
Route_US LAX_GW
Route_EUR DE_GW1
DE_GW2
Route_APAC SYD_GW
Enabled through two enhancements that lower TCO and optimize quality
Benefits of direct routing of media
Key Scenarios
Example Topologies
Example Topologies
Main Site
(with Data Center)
IP-PBX
Lync Server
2010
Mediation PSTN
PBX Endpoint
Branch Site
Lync Server 2010
Endpoint Lync Server
2010 Endpoint
WAN
PBX Endpoint
IP-PBX
Gateway
GW / SBA
PSTN Call from Main Site via Gateway
Main Site
(with Data Center)
IP-PBX
Mediation
PBX Endpoint
Branch Site
WAN
PBX Endpoint
IP-PBX
PSTN
Gateway
GW / SBA
Lync Server
2010
Lync Server 2010
Endpoint Lync Server
2010 Endpoint
PSTN Call from Branch via existing IP-PBX
Main Site
(with Data Center)
IP-PBX
Mediation
PBX Endpoint
Branch Site
WAN
PBX Endpoint
IP-PBX
PSTN
Gateway
Lync Server
2010
Lync Server 2010
Endpoint Lync Server
2010 Endpoint
PSTN Call from Branch via Gateway
Main Site
(with Data Center)
IP-PBX
Mediation
PBX Endpoint
Branch Site
WAN
PBX Endpoint
IP-PBX
PSTN
Gateway
GW / SBA
Lync Server
2010
Lync Server 2010
Endpoint Lync Server
2010 Endpoint
PSTN Call from Main Site & Branch Office using Centralized SIP Trunking
Main Site
(with Data Center)
IP-PBX
PBX Endpoint
Branch Site
PBX Endpoint
IP-PBX
PSTN SIP Trunking Mediation
WAN
GW / SBA
Lync Server
2010
Lync Server 2010
Endpoint Lync Server
2010 Endpoint
PSTN Call with CAC Rerouting through Branch PSTN Connection
Main Site
(with Data Center)
IP-PBX
PBX Endpoint
Branch Site
PBX Endpoint
IP-PBX
SIP Trunking PSTN Mediation
WAN
GW / SBA
Lync Server
2010
Lync Server 2010
Endpoint Lync Server
2010 Endpoint
Main site call with Lync Server 2010 endpoint & PBX endpoint via Main PBX
Main Site
(with Data Center)
Mediation
Branch Site
WAN
PBX Endpoint
IP-PBX
PSTN
PBX Endpoint
IP-PBX
Gateway
GW / SBA
Lync Server
2010
Lync Server 2010
Endpoint Lync Server
2010 Endpoint
Branch call between Lync Server 2010 endpoint & PBX endpoint via Branch PBX
Main Site
(with Data Center)
Mediation
Branch Site
WAN
PSTN
PBX Endpoint
IP-PBX
IP-PBX
PBX Endpoint
Gateway
Lync Server
2010
Lync Server 2010
Endpoint Lync Server
2010 Endpoint
Branch call between Lync Server 2010 endpoint & PBX endpoint via Main PBX
Main Site
(with Data Center) Branch Site
PBX Endpoint
IP-PBX
PSTN
WAN
IP-PBX
PBX Endpoint
Mediation
Gateway
Lync Server
2010
Lync Server 2010
Endpoint Lync Server
2010 Endpoint
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Design Requirements and Goals for Lync Server 2010
Location Infrastructure
Partner Components
Connexon Intrado
i2 architecture
RFC 4119
Location Determination
1. Map of network elements and locations created in Location Information Server (LIS)
2. lIS addresses validated with Master Street Address Guide
3. Premises connected client acquires LIS URI, emergency dial strings, and configuration setting, and sends Location Request with IP / MAC / BSSID address to LIS upon registrations or network change
4. lIS returns civic address to client based on network address lookup in database
425-706-1442
0016E3A558CA
172.24.33.132
Chicago
911 Router
MSAG
Lync Server 2010 Pool with LIS
Customer Site
Switch: 10.0.0.1 Port: 6/29
E911 Service Provider
Seattle
Call Routing
425-706-1442
0016E3A558CA
172.24.33.132
Chicago
911 Router
MSAG
Customer Site
Switch: 10.0.0.1 Port: 6/29
E911 Service Provider
Seattle
1. Client initiates 911 call and includes location and E.164 number in SIP Invite
2. CS “14” matches 911 number pattern and routes to SIP trunk connecting to E-911 Service Provider
3. E-911 Router references civic address to route call to correct PSAP
4. Service provider optionally conferences in on-premises security to call
5. PSAP able to call back using E.164 number
Lync Server 2010 Pool with LIS
Physical connectivity of Analog devices (FXS) provided by GW partners
All routing and policy enforcement for Analog devices centralized in Lync Server 2010 – eliminates the need to manage GWs as “mini-PBX”
FXS
FXS
Fax
Analog
Device
ATA
Lync Server
2010
PSTN
• Lync Server 2010 Call Detail Record (CDR) infrastructure used to track usage
• Optimized routing allows Fax call routing through Lync Server 2010 without terminating Media
Gateway
Physical connectivity of Analog devices (FXS) provided by GW partners
All routing and policy enforcement for Analog devices centralized in Lync Server 2010 – eliminates the need to manage GWs as “mini-PBX”
Fax
Lync Server
2010
PSTN
• Lync Server 2010 Call Detail Record (CDR) infrastructure used to track usage
• Optimized routing allows Fax call routing through Lync Server 2010 without terminating Media
Signaling
Media ATA
Analog
Device
Gateway
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Technical Library
NextHop
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