Dialogic 2000 Series Opmerking over installatie en configuratie - Pagina 7
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Setting T1 / E1 Parameters
Line Encoding and Framing
It is necessary to ensure that the Line Encoding and Framing match those of the T1 or E1 line coming
from the PBX or Central Office.
ISDN Protocol
Since ISDN protocols are not necessarily symmetric protocol it is necessary to determine which device
(PBX or Gateway) is going to function as the Network side of the protocol. It is recommended that if the
PBX can support Network side that it be configured as Network in which case the gateway needs to be
configured as Terminal. Setting the Protocol side is done by changing the "Telephony Port Interface
Side" to the setting you want the gateway to function.
PCM Coding
The TDM side PCM coding needs to be configured to match that of the T1 or E1 connections. Most
commonly T1 is set to uLaw and E1 is set to aLaw. One exception would be if the interface is set to E1
in North America for additional channel density, it will still need to be set to uLaw.
Setting Line Encoding, Framing, and ISDN Protocol
Set ISDN Network or
Terminal side
Set T1/E1 Line
Encoding and
Framing
®
Dialogic
2000 Media Gateway Series Installation and Configuration Note
7