310 Matrix ETERNITY NE System Manual
VoLTE Configuration
• VoLTE Configuration will be visible only when 4G module is installed.
• The 4G module will be supported only with PCB V3R1 onwards with CPLD version V3R2 or later.
The feature, VoLTE (Voice over Long Term Evolution) Configuration, is a standard that is used for high-definition
voice calling service. VoLTE offers faster connection speed and advance technology for VoIP calls with better
network coverage and added security.
SARVAM UCS gives you the facility to access VoLTE network depending upon the 4G GSM module installed in the
system. This is made possible through an MBN file which is required for voice calling over LTE. Every mobile
service provider has a unique MBN file that is preloaded in the 4G module. The system also provides additional
facility to manually upload MBN file of newly emerging mobile service provider in the market that offer VoLTE
services.
The 4G module of SARVAM UCS offers backward compatibility, thereby enabling the devices to automatically get
registered with 3G/2G network when not within the coverage area of 4G LTE network.
Make sure that you have configured Network Preferred Mode as Any (LTE/UMTS/GSM) or LTE only. For
more details, refer to “Network”.
• Click VoLTE Configuration to expand.
• MBN File Selection Mode displays the current mode.
To change the Selection Mode,
• Click .
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