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NET MODULE NB1601 Router User Manual

NB1601  
User Manual for NRSW version 4.4  
Parameter  
Voice Gateway Administration Settings  
SIP interface  
Specifies the interface (LAN or WAN) on which the agent should listen  
for incoming calls  
SIP port  
Specifies the agent’s listening port  
SIP register expires  
Specifies the registration interval in seconds  
In case you are running multiple WWAN interfaces sharing the same SIM, please bear in mind that the  
system may switch SIMs during operation which will also result in different settings for voice commu-  
nication.  
Voice Endpoints  
On this page you can activate the endpoints used for voice communication, the following types are  
supported:  
Parameter  
Voice Gateway Endpoint Types  
Voice-Over-Mobile  
Endpoint for GSM/UMTS/LTE calls (can be used for calls to mobile or  
landline phones)  
SIP (registrar)  
SIP (direct)  
SIP endpoint which can be a client registered to our registrar  
Endpoint for calls directly routed to a SIP agent without registration  
Endpoint acting as SIP user agent towards a remote registrar  
SIP (user-agent)  
Based on your equipment, we recommend to adjust the modem’s audio profile for a better sound  
experience. The following profiles are available:  
Parameter  
Handset  
Voice-Over-Mobile Audio Profiles  
Provides a mild echo, short delay (less than 16-ms dispersion).  
This mode is intended for use with a well-designed handset, where  
the Echo Return Loss (ERL) is generally high. Full-duplex perfor-  
mance is easiest to achieve in this mode.  
Headset  
Provides a moderate echo, short delay (less than 16-ms dispersion).  
This mode is intended for use in situations where the echo may be  
loud but low in delay. There are a variety of different headsets avail-  
able with a wide variety of echo characteristics and noise pickup. Al-  
though the echo delay is typically short (< 16 ms) with all headsets,  
the echo return loss characteristics can vary significantly and are not  
well known a priori to the handset designer. This mode is more robust  
and more aggressive at echo cancellation.  
164  
GeneralDetails
NameNET MODULE NB1601 Router User Manual
MakeNET MODULE
LanguageEnglish
FiletypePDF (Download)
File size3.35 MB
Download PDF
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NET MODULE NB1601 Router User Manual