Can you guide me how can start dual sim function in ec200u-cn module?

IoT Modules LTE Standard Module
1

can you guide me how can start dual sim function in ec200u-cn module?

2

Hi,can you give me your e-mail,and i will send the Application_Note to you.

3

akash.sahani@sstpl.in

4

when I run pppd then i get error below

i.e. pap authentication is failed logs:

Feb 7 10:52:05 gwt1301 pppd[1811]: pppd 2.4.7 started by sstpl, uid 0
Feb 7 10:52:05 gwt1301 chat[1814]: abort on (BUSY)
Feb 7 10:52:05 gwt1301 chat[1814]: abort on (VOICE)
Feb 7 10:52:05 gwt1301 chat[1814]: abort on (NO CARRIER)
Feb 7 10:52:05 gwt1301 chat[1814]: abort on (NO DIALTONE)
Feb 7 10:52:05 gwt1301 chat[1814]: abort on (NO DIAL TONE)
Feb 7 10:52:05 gwt1301 chat[1814]: abort on (NO ANSWER)
Feb 7 10:52:05 gwt1301 chat[1814]: abort on (DELAYED)
Feb 7 10:52:05 gwt1301 chat[1814]: abort on (ERROR)
Feb 7 10:52:05 gwt1301 chat[1814]: abort on (+CGATT: 0)
Feb 7 10:52:05 gwt1301 chat[1814]: send (AT^M)
Feb 7 10:52:05 gwt1301 chat[1814]: expect (OK)
Feb 7 10:52:05 gwt1301 chat[1814]: AT^M^M
Feb 7 10:52:05 gwt1301 chat[1814]: OK
Feb 7 10:52:05 gwt1301 chat[1814]: – got it
Feb 7 10:52:05 gwt1301 chat[1814]: send (AT+IPR=921600;&W^M)
Feb 7 10:52:05 gwt1301 chat[1814]: timeout set to 12 seconds
Feb 7 10:52:05 gwt1301 chat[1814]: expect (OK)
Feb 7 10:52:05 gwt1301 chat[1814]: ^M
Feb 7 10:52:05 gwt1301 chat[1814]: AT+IPR=921600;&W^M^M
Feb 7 10:52:05 gwt1301 chat[1814]: OK
Feb 7 10:52:05 gwt1301 chat[1814]: – got it
Feb 7 10:52:05 gwt1301 chat[1814]: send (ATH^M)
Feb 7 10:52:05 gwt1301 chat[1814]: expect (OK)
Feb 7 10:52:05 gwt1301 chat[1814]: ^M
Feb 7 10:52:05 gwt1301 chat[1814]: ATH^M^M
Feb 7 10:52:05 gwt1301 chat[1814]: OK
Feb 7 10:52:05 gwt1301 chat[1814]: – got it
Feb 7 10:52:05 gwt1301 chat[1814]: send (ATE1^M)
Feb 7 10:52:05 gwt1301 chat[1814]: expect (OK)
Feb 7 10:52:05 gwt1301 chat[1814]: ^M
Feb 7 10:52:05 gwt1301 chat[1814]: ATE1^M^M
Feb 7 10:52:05 gwt1301 chat[1814]: OK
Feb 7 10:52:05 gwt1301 chat[1814]: – got it
Feb 7 10:52:05 gwt1301 chat[1814]: send (AT+CGDCONT=1,“IP”,“airtelgprs.com”,“”,0,0^M)
Feb 7 10:52:06 gwt1301 chat[1814]: expect (OK)
Feb 7 10:52:06 gwt1301 chat[1814]: ^M
Feb 7 10:52:06 gwt1301 chat[1814]: AT+CGDCONT=1,“IP”,“airtelgprs.com”,“”,0,0^M^M
Feb 7 10:52:06 gwt1301 chat[1814]: OK
Feb 7 10:52:06 gwt1301 chat[1814]: – got it
Feb 7 10:52:06 gwt1301 chat[1814]: send (ATD99#^M)
Feb 7 10:52:06 gwt1301 chat[1814]: timeout set to 22 seconds
Feb 7 10:52:06 gwt1301 chat[1814]: expect (CONNECT)
Feb 7 10:52:06 gwt1301 chat[1814]: ^M
Feb 7 10:52:06 gwt1301 chat[1814]: ATD99#^M^M
Feb 7 10:52:06 gwt1301 chat[1814]: CONNECT
Feb 7 10:52:06 gwt1301 chat[1814]: – got it
Feb 7 10:52:06 gwt1301 chat[1814]: send (^M)
Feb 7 10:52:06 gwt1301 pppd[1811]: Serial connection established.
Feb 7 10:52:06 gwt1301 pppd[1811]: Using interface ppp0
Feb 7 10:52:06 gwt1301 pppd[1811]: Connect: ppp0 <–> /dev/ttyAMA0
Feb 7 10:52:07 gwt1301 pppd[1811]: Remote message: Login ok
Feb 7 10:52:07 gwt1301 pppd[1811]: PAP authentication failed
Feb 7 10:52:07 gwt1301 pppd[1811]: Connection terminated.