1. Helping to Achieve ROI Targets with SIP Trunking
Steven Johnson, Ingate Systems

2. Steps to SIP Trunking Enabling SIP Trunking to the Enterprise:
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

3. 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

4. Two Ways to Connect to a SIP Trunk
Over a Managed Line
Over the Public Internet
PSTN
Public Internet
SIP Trunking Provider Network GW
SIP System
Data & VoIP LAN
IP-
PBX
SIP Trunk over Internet
Firewall
PSTN
SIP Trunking Provider Network GW
Public Internet
SIP System
Managed
SIP Trunk
Firewall
IP-
PBX
Data & VoIP LAN

5. Ingate SIParator® Used with Existing Firewall for SIP Trunking Service over Internet
Bandwidth.com
Public Internet
PSTN GW
SIP System
Remote Users
Data & VoIP LAN
SIP Trunk over Internet
Ingate SIParator®
Firewall
Demarcation point and bringing SIP communication to the LAN
IP PBX
Data LAN
Soft Clients and Multimedia Terminals

6. Thank You Questions?