Connecting an analog telephone line to a Vocia MS-1
using a VoIP gateway
The Vocia MS-1 is capable of connecting to a Voice Over Internet Protocol (VoIP) phone system to allow paging from
any VoIP endpoint on the network. In this case the MS-1 acts as a SIP Trunk to the VoIP system. If the phone system at
a Vocia install location is making use of analog POTS lines instead of a VoIP system, there is no way to directly connect
an MS-1 to the phone system. It is possible to use a 3rd party VoIP gateway to convert a call using an analog POTS line
to a VoIP call.
The 3rd party VoIP Gateway is basically just an analog telephone. As such it will have a dedicated phone number
administrated by the site telco team. Once the call rings through to the Gateway the MS-1 will answer it and provide
prompts allowing users to generate paging activity.
There are a variety of different VoIP Gateways on the market that will accomplish this conversion but in order to aid our
customers, Biamp has tested the
and this article describes the steps required to integrate these
two devices. Note that the Patton device is available in two different configurations, one supporting an
and another supporting an
. The device used in this article is the
Patton SmartNode 4112
FXO
(Patton PN: SN4112/JO/EUI).
Patton SmartNode 4112 FXO
The SmartNode 4112 FXO is capable of connecting up to two analog POTS lines and converting them to VoIP. The use
of both analog lines is not required for system operation and simply adds a backup paging line if the primary line is being
used. To set up the Patton SmartNode 4112 FXO to interface with a Vocia MS-1 you will need the following:
• The
configuration file provided by Biamp.
• Brief access to a DHCP enabled Network.
• A small Ethernet Switch (Minimum 3 ports).
• A Patton SmartNode 4112 VoIP Gateway with the installation CD.
• A Vocia MS-1 message server.
Procedure
1. Configure and load the MS-1 VoIP settings as shown in the screenshots below. If the VoIP IP Address listed here
is in the same Subnet as the IP Address of the MS-1, the Biamp provided SmartNode configuration file will not
work. Please contact the Biamp Application Engineering Department if this is the case.
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