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History: Sangoma SMG Product Plan

Source of version: 5 (current)

The [http://sangoma.editme.com/wanpipe-linux-asterisk-ss7|Sangoma Signal Media Gateway] (SMG) is a set of technologies that augment other media gateway and PABX projects so they can connect to the PSTN for SS7-controlled intermachine trunks (IMT) and SS7 services.

Sangma SMG is composed of the following components:
*Linux 2.6 operating system
*Sangoma WAn adapter cards and Wanpipe drivers for E1/T1 connectivity
*((xmtp2km)) for SS7 MTP2
*((ss7box)) for SS7 MTP3
*((ss7boost)) for SS7 ISUP and SCCP
*((sangoma_mgd)) for managing IMT voice circuits with control info from ss7boost
*[http://www.pbxfreeware.org/chan_woomera/|chan_woomera] as a point of interface to media gateways
*media gateway/pabx (for example, [http://www.asterisk.org|Asterisk] or [http://www.freeswitch.org|FreeSwitch])

!Rev 0.2 (Under Development)
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*((Clustering)) - Multiple SMG platforms operate as a single entity. One or two SS7 links are sufficient to control a growing number of E1/T1 by adding cards and platforms to the cluster. Almost perfect linear growth curve.
*A-link support.
*ss7box platform redundancy for increased operational safety.

!Rev 0.1 (Legacy)
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* Tested with 8 E1 at full capacity on a single platform with a single high performance CPU at 80% utilization with G.711 voice streams.
*Voice codec interworking, CPU resource, and memory resource all impact call capacity.
*Tested in both ANSI and ITU environments.
*SS7 F-link capability with failover/failback support. Multiple linkset and multi-link linkset support. Alternate route support.
*See product plans for individual components listed above for more details.


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