coMsat Multichannel PRA
coMsat Multichannel PRA
coMsat Multichannel PRA
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<strong>Multichannel</strong> <strong>PRA</strong><br />
of calls from GSM” to “Accept” (or to Reject, if only outgoing calls are<br />
allowed), “Handling of calls to GSM” to “Allow” and “SMS Handling” to<br />
“Ignore SMS”.<br />
8.7 Miscellaneous<br />
Question: Does the <strong>Multichannel</strong> <strong>PRA</strong> support VoIP?<br />
Answer: There are many different VoIP Standards on the market, e.g.<br />
H.248/Megaco, MGCP, SIP, SIP+, and H.323.<br />
In addition many manufacturers of PABXs implement proprietary<br />
extensions to the standards to offer the user the features he is used to<br />
from “normal” system phones.<br />
So there is no point in implementing a VoIP interface into the GSM<br />
gateway, at least for the time being.<br />
Instead it makes sense to rely on the well-standardized ISDN interface<br />
(EDSS1 ) and use external VoIP gateways that fit perfectly to the VoIP<br />
implementation in use.<br />
date: page: file:<br />
15.02.2008 10:32 98 Manual <strong>coMsat</strong> <strong>Multichannel</strong> <strong>PRA</strong> 3-3 eng.doc<br />
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