The LTE module “EC25E” is popular in India, and it works well in 2G/3G/4G network and VoLTE network of JIO. As operator network is being improved, Airtel has launched VoLTE network, but clients are facing unregistered issue of Airtel’s VoLTE. The root reason is that the “EC25E’ module has no specific MBN file for Airtel when VoLTE is chosen for use.This instruction guide is intended to show how to force the Airtel to use VoLTE. In this guide, UC2000-VF is taken as an example to show the configurations, and the configurations will also apply to Dinstar’s other UC2000 products.

Note:The EC25E module refers to version EC25EFAR06A06M4G or above.

The UC2000-VF is using LTE module “EC25E” and has an IP address of 172.19.1.20. Airtel SIM card is inserted in port/module 0 of the UC2000-VF device.

Environment Ready

1. Telnet of UC2000-VF

Run the application “Putty” and connect it to UC2000-VF through IP 172.19.1.20 (make reference to the following setting). Default telnet port is 23:

Note:

If the connection fails, please click Tolls>>>>>Management page to check whether the Telnet option is enabled at the UC2000-VF side.

Reboot the device to make the configuration to take effect.

2. Open monitor window ‘ADA’

Log into telnet and input command “en”, then “^ada”. Press ‘Enter’ to enter into the ADA mode as follows:

Input the cmd 53 19 0 0 1 command to open the AT monitor of module 0:

Note:

The command format is: cmd 53 19 X Y Z

X Y means the module number range from X to Y. If only one port is enabled, X is the same with Y. Z means ON or OFF; value 0 means ON; value 1 means OFF.

Z means ON or OFF; value 0 means ON; value 1 means OFF.

For example:

cmd 53 19 0 0 1 means enabled the module 0 cmd 53 19 0 0 0 means disabled the module 0 cmd 53 19 2 4 1 means enabled the ports from 2 to 4.

3. Open configure window ‘Config'

Repeat the configuration described in section 2.1. And then log into telnet and input command “en” then “^config”. Press ‘Enter’ to enter into the Config mode as follows:

MBN configuration

1. Set the APN of Airtel

Open page Mobile Configuration>>>Mobile Configuration, set the Airtel’s APN at module 0: airtelgprs.com

Notes:

APN PSW need set blank.

2. Deactivate Module’s MBN

In window Config, input command: mobile cmd at 0 at+qmbncfg="deactivate” to deactivate the MBN of the current module 0.

Notes:

The command format is: mobile cmd at X at+qmbncfg="deactivate”

X means module number.

3. Disable the auto MBN

In window Config, input command: mobile cmd at 0 at+qmbncfg="AutoSel”, 0 to disable the auto MBN of the current module 0.

Notes:

The command format is: mobile cmd at X at+qmbncfg="AutoSel”, 0

X means module number.

4. Reboot Module

In window Config, input command: mobile cmd at 0 AT+CFUN =1,1 to reboot the current module 0, for the purpose of activating section 3.1.

Notes:

The command format is: mobile cmd at X AT+CFUN=1,1

X means module number.

In window ADA, you will see the following print which means module 0 has been rebooted successfully.

5. Fix the MBN

After the module 0 is booted up, input command:

mobile cmd at 0 at+qmbncfg="select","Reliance_OpnMkt” in window Config to set the module 0 to be fixed with the MBN of Reliance_OpnMkt. And then you can input the command twice to confirm the fixing work.

The target is to force the Airtel card to use the MBN of JIO: Reliance_OpnMkt.

Notes:

The command format is: mobile cmd at x at+qmbncfg="select","Reliance_OpnMkt"

X means module number.

In window ADA, you will see the following print:

6. Reboot the module.

In window Config, input command mobile cmd at 0 AT+CFUN =1,1 to reboot the current module 0, for the purpose of activating the MBN setting.

Notes:

The command format is: mobile cmd at X AT+CFUN=1,1

X means module number.

In window ADA, you will see the following print:

7. Check the MBN status of module

After the module 0 is booted up, please to check the MBN status.

In window Config, input command mobile cmd at 0 at+qmbncfg="list". You can input the command for several times to get exact status.

Notes:

The command format is: mobile cmd at x at+qmbncfg="list"

X means module number.

In ADA window, you will see the following print, "List",0,1,1,"Reliance_OpnMkt" means MBN Reliance_OpnMkt has been activated successfully.

Notes:

1. The print format is: List “List”,X,Y,Z,”xxxxxxxxxxxx”

X is the List index;

Y is the MBN in-use status; 1 means enable; 0 means disable.

Z is the MBN active status; 1 means active; 0 means deactivated.

xxxxxxxxx is the MBN name

2. If the MBN is not activated, please wait for 2 minutes and then check again.

3. If it remains inactivated, please go back to section3.1 and do again.

8. Check the LTE register status

In window Config, input command mobile cmd at 0 at+cops? to check the register status of module 0. You can input the command for several times to get exact status.

Notes:

The command format is: mobile cmd at X at+cops?

X means channel number.

In window ADA, you will see the following print, "airtel airtel",7 means SIM card has registered to Airtel LTE network:

Notes:

The print format is: “xxxxxxxxx”, Y

“xxxxxxxxx” means current registered network.

Y means current registered network mode; Value 7 is LTE network.

9. Check the IMS register status

In window Config, input command mobile cmd at 0 at+qcfg=”ims” to check the IMS register status of module 0. You can input the command for several times to get exact status.

Notes:

The command format is: mobile cmd at X at+qcfg=”ims”

X means channel number.

In ADA window, you will see the following print. The "ims",0,1 means SIM card has registered to IMS network.

If the IMS is unregistered, please wait for 2 minutes and then check again.

If it remains unregistered, please go back to section3.1 and configure again.

Notes:

The print format is: "ims",X,Y

X means register mode; Value 0 means automatic.

Y means register status; Value 1 means registered while Value 0 means unregistered.

When the SIM card is registered to IMS successfully, it means the VoLTE is registered successfully！

10. Check the network status when call

In window Config, input command mobile cmd at 0 atd5682878; to call

Tips

The command format is mobile cmd at X atdYYYYYY;

X means channel number.

YYYYYY means the called number

In ADA window, you will see the following print.

Keep the call and in window Config, input command mobile cmd at 0 at+cops? to check the current status of module 0.