Installation guide

Application Note
Purpose, Scope, and Audience
This technical application note describes the configuration of the SB67070 SIP
Gateway for the Broadvox GO! SIP Trunking service. This document is suitable for
use by anyone deploying the Broadvox GO! SIP Trunking service in conjunction with
the Synapse system with SB67070 SIP Gateway. This document has a technical
audience in mind – specifically IT professionals with some experience in PBX
administration and familiarity with VoIP technologies. This document is not for
business administrators or people in other non-technical careers. In order to
successfully use this document to deploy Broadvox GO! SIP Trunking service, you will
need to possess the following skills, or have access to professionals or consultants
with the following skills:
 Familiarity with network troubleshooting tools, including:
o Wireshark/Ethereal
o dig/nslookup
o ping
o traceroute
 Familiarity with the Synapse PBX system, including:
o Trunk configuration
o Dial plan configuration
o Extension configuration
o Mailbox configuration
 Familiarity with Session Initiation Protocol (SIP)
 An understanding of all seven layers of the Open System Interconnection
(OSI) model
 A complete understanding of your internal network structure, Network Address
Translation (NAT) setup, and firewall setup
 A complete understanding of your public Internet connectivity
Broadvox can only provide support for Synapse to the extent covered in this
Technical Application Note and the included reference configuration, so if your level
of technical expertise does not include the above skills, it is recommended that you
obtain the services of a software professional.
Ordering SIP Trunking from Broadvox
When ordering your service from Broadvox, you must specify the following
requirements to ensure that the service is initially compatible with the Synapse SIP
Gateway:
 Routing priority should be dynamic first, static second
 Dialed number must be in the “To” header field
 The Gateway will be operating behind a NAT.
Synapse SIP Gateway Deployment Information
Before you begin deploying the Synapse SIP Gateway, please locate the following
information. If you have questions about any item, refer to the descriptions and
additional details provided on the pages that follow.
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