GXE502X User Manual 11/2/2009
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External PSTN Trunk Line: When clicked, the external PSTN trunk configuration page is shown.
This page allows users to administrate SIP peer connections via external PSTN trunk gateways.
Add: Clicking on the Add button will load the Add External PSTN Trunk Line page:
o Trunk Name: A name to identify the configured trunk. Ex., A name for a Grandstream FXO
Gateway could be GXW4104 or GXW4108.
o Active: This allows users to turn the trunk ON or OFF.
o SIP Gateway URL: The IP address or FQDN domain name of the external PSTN Gateway.
o Other UDP list: Please configure this field if you expect the GXE to receive SIP messages
on additional ports (other than 5060) from your SIP gateway URL or IP.:
For example, If a GXW4104 is used, each FXO port will use a UDP port: port1=5060,
port2=5062, port3=5064, port=5066; therefore, user needs to add Other UDP List using the
following values: 5062; 5064; 5066. In the case of an 8 port FXO gateway (GXW 4108) the
list would be 5060;5062;5064;5066;5068;5070;5072;5074.
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