Enterprise Infrastructure Solutions for SIP Trunking

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Enterprise Infrastructure Solutions for SIP
Trunking
Steven Johnson, Ingate Systems
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Steps to SIP Trunking

• Basics functionality
• NAT/Firewall traversal
• Interoperability between IP-PBX and Service
  Provider
• Quality of Service (QoS)
• Security

• An Ingate solution can also enable Unified
  Communications
• Connecting remote users to the PBX
• Secure interoffice connection
• WiFi mobile phone communication
• Multimedia communication

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Benefits of SIP Communications

• Monthly cost savings
• Single network for all communications
• Lower cost of Moves, Adds and Changes
• Disaster Recovery / Business Continuity
• User provisioning
• First step in achieving Unified Communications
• Voice, Video, IM, Presence, etc.
• Remote workers
• WiFi mobile phone communication

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Two Ways to Connect to a SIP Trunk

• Over a Managed Line

PSTN
SIP Trunking Provider Network
Public Internet
Managed SIP Trunk
IP- PBX
Data VoIP LAN
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Managed SIP Trunk Connected to Separate
Enterprise VoIP LAN in Operators Space

SIP Trunking Provider Network
Public Internet
PSTN
Operator Security Warning!
Managed SIP Trunk
Enterprise Security Warning!
IP-PBX
Data LAN
VoIP LAN
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Managed SIP Trunking with SBC Adapting SIP to
NATed Space of the Enterprise LAN

SIP Trunking Provider Network
Public Internet
PSTN
Managed SIP Trunk
IP-PBX
VoIP Data LAN
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Ingate Firewall Creating a Common Data andVoIP
LAN for Managed SIP Trunking Service

SIP Trunking Provider Network
Public Internet
PSTN
Managed SIP Trunk
Ingate Firewall
Demarcation point and SIP communication via both
WAN pipes.
Data VoIP LAN
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Ingate SIParator Used with Existing Firewall for
Managed SIP Trunking Service

SIP Trunking Provider Network
Public Internet
PSTN
Managed SIP Trunk
Ingate SIParator
Demarcation point and SIP communication via both
WAN pipes.
Data VoIP LAN
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Ingate Firewall Creating a Common Data andVoIP
LAN for SIP-Trunking over the Internet

SIP Trunking Provider
Public Internet
PSTN
Demarcation point and bringing SIP communication
to the LAN
IP PBX
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Ingate SIParator Used with Existing Firewall for
SIP Trunking Service over Internet

SIP Trunking Provider
Public Internet
PSTN
Demarcation point and bringing SIP communication
to the LAN
IP PBX
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Thank YouQuestions?