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Overview
Multi-Service Business Gateway (MSBG) is the name given to Sangoma's SBC product that incorporates a PRI Gateway, all-in-one.
Now as well as SIP, TDM connections can also be terminated on SBCs.
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If you wish to convert a Sangoma SBC into an MSBG, simply install a Sangoma TDM Card (i.e. a101/102/a104) into the SBC appliance.
The software will automatically detect the Sangoma card and expose the PRI gateway and create basic routing functions.
(SBC software 2.2 and higher is required to convert your SBC into an MSBG)
Installation and Configuration Guides
TDM card Installation Instructions (for SBC to MSBG upgrade only):
View file name MSBG (1).pdf
Use Case
The problem to Solve:
Customer has a new site with an IP-PBX that wants to connect to PSTN using an E1T1
Perhaps nervous about SIP
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Insert an SBC with TDM
Calls flow in and out of PSTN
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Second Stage:
Customer decides he wants to use SIPtrunking
Lower costs
More flexibility
Incoming calls still from PSTN
Porting can take time
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Customer's business is growing, IP-PBX is full so they add local IP-phones and remote users
All hosted from Sangoma SBC
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Use Case Summary
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SBC with TDM is extremely flexible
Can be used to enable migration or to connect multiple bearer types networks or equipment
Can also be used for connecting TDM PBX to SIP and PSTN: