232 Matrix ETERNITY NE System Manual
Pass Through Fax Rx Gain (SIP to Digital Trunk Call)
Configure this parameter if you selected Pass Through
67
as Fax Type, and the fax is to be received on a digital
trunk.
1. Select the dB level for Data Gain (dB) from-31 to 31 dB. Default: -11 dB.
2. Select the dB Level for Bypass Gain (dB) from -31 to 31 dB. Default: -9 dB.
Pass Through FAX Rx Gain (SIP to SLT Call)
Configure this parameter if Pass Through Fax is to be received on a fax machine connected to an SLT port.
1. Select the dB level for Data Gain (dB) from -31 to 31 dB. Default: -11 dB.
2. Select the dB level for Bypass Gain (dB) from -31 to 31 dB. Default: -9 dB.
Source Port IP Address
1. Select the Source Port IP Address from the combo box according to your VoIP installation scenario.
• Select Use Ethernet Port IP Address if ETERNITY NE is connected directly to the public internet.
• Select Use IP Address Fetched Using STUN if ETERNITY NE is located behind a NAT router
other than Symmetric.
If you select this option, keep the Outbound Proxy disabled.
• Select Use Router's Public IP Address, if ETERNITY NE is located behind a NAT Router (any
type).
If you select this option, keep the Outbound Proxy disabled.
Simultaneous Calls
2. In the field No. of Simultaneous Calls select from the combo box, the number of simultaneous calls you
want to allow on this SIP Trunk. Default: 8.
67. Pass Through Fax packets are transported using RTP protocol. Normally, fax calls require less gain compared to voice calls. How-
ever, to improve fax reception, ETERNITY NE enables you to configure gain settings for fax. Fax gain settings consist of Data Gain
and Bypass Gain. ETERNITY supports Fax Receive Gain for SIP to Digital Trunk calls as well as SIP to SLT Calls.
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