Complete log:
root@OpenWrt:~# pppd call quectel-ppp
pppd options in effect:
debug # (from /etc/ppp/peers/quectel-ppp)
nodetach # (from /etc/ppp/peers/quectel-ppp)
dump # (from /etc/ppp/peers/quectel-ppp)
noauth # (from /etc/ppp/peers/quectel-ppp)
name BCDITS06@scats.nsw # (from /etc/ppp/options)
user $LTE_USERNAME # (from /etc/ppp/peers/quectel-ppp)
password ?????? # (from /etc/ppp/peers/quectel-ppp)
remotename 3gppp # (from /etc/ppp/peers/quectel-ppp)
/dev/ttyUSB3 # (from /etc/ppp/peers/quectel-ppp)
115200 # (from /etc/ppp/peers/quectel-ppp)
lock # (from /etc/ppp/peers/quectel-ppp)
connect /usr/sbin/chat -E -s -v -f /etc/ppp/peers/quectel-chat-connect # (from /etc/ppp/peers/quectel-ppp)
disconnect /usr/sbin/chat -E -s -v -f /etc/ppp/peers/quectel-chat-disconnect # (from /etc/ppp/peers/quectel-ppp)
crtscts # (from /etc/ppp/peers/quectel-ppp)
local # (from /etc/ppp/peers/quectel-ppp)
asyncmap 0 # (from /etc/ppp/options)
lcp-echo-failure 5 # (from /etc/ppp/options)
lcp-echo-interval 10 # (from /etc/ppp/options)
hide-password # (from /etc/ppp/peers/quectel-ppp)
novj # (from /etc/ppp/peers/quectel-ppp)
-vj # (from /etc/ppp/options)
novjccomp # (from /etc/ppp/peers/quectel-ppp)
ipcp-accept-local # (from /etc/ppp/peers/quectel-ppp)
ipcp-accept-remote # (from /etc/ppp/peers/quectel-ppp)
ipparam 3gppp # (from /etc/ppp/peers/quectel-ppp)
noipdefault # (from /etc/ppp/peers/quectel-ppp)
ms-dns 8.8.8.8 # (from /etc/ppp/peers/quectel-ppp)
ms-dns 8.8.4.4 # (from /etc/ppp/peers/quectel-ppp)
ipcp-max-configure 10 # (from /etc/ppp/peers/quectel-ppp)
defaultroute # (from /etc/ppp/peers/quectel-ppp)
noipv6 # (from /etc/ppp/options)
noccp # (from /etc/ppp/peers/quectel-ppp)
abort on (BUSY)
abort on (NO CARRIER)
abort on (NO DIALTONE)
abort on (ERROR)
abort on (NO ANSWER)
timeout set to 120 seconds
send (AT^M)
expect (OK)
^M^M
OK
-- got it
send (ATE0^M)
expect (OK)
^M
AT^M^M
OK
-- got it
send (ATI^M)
expect (OK)
^M
ATE0^M^M
OK
-- got it
send (AT+CSQ^M)
expect (OK)
^M
^M
Quectel^M
RM520N-GL^M
Revision: RM520NGLAAR03A04M4GA^M
^M
OK
-- got it
send (AT+CPIN?^M)
expect (OK)
^M
^M
+CSQ: 99,99^M
^M
OK
-- got it
send (AT+COPS?^M)
expect (OK)
^M
^M
+CPIN: READY^M
^M
OK
-- got it
send (AT+CGREG?^M)
expect (OK)
^M
^M
+COPS: 0^M
^M
OK
-- got it
send (ATZ^M)
expect (OK)
^M
^M
+CGREG: 0,0^M
^M
OK
-- got it
send (AT+CGDCONT=1,"IP","scats.nsw",,0,0^M)
expect (OK)
^M
^M
OK
-- got it
send (ATDT*99#^M)
expect (CONNECT)
^M
AT+CGDCONT=1,"IP","scats.nsw",,0,0^M^M
OK^M
ATDT*99#^M^M
CONNECT
-- got it
Script /usr/sbin/chat -E -s -v -f /etc/ppp/peers/quectel-chat-connect finished (pid 3078), status = 0x0
Serial connection established.
using channel 3
Using interface ppp0
Connect: ppp0 <--> /dev/ttyUSB3
sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0x864ffcde> <pcomp> <accomp>]
rcvd [LCP ConfReq id=0x4 <asyncmap 0x0> <auth chap MD5> <magic 0xe01e7a1e> <pcomp> <accomp>]
sent [LCP ConfAck id=0x4 <asyncmap 0x0> <auth chap MD5> <magic 0xe01e7a1e> <pcomp> <accomp>]
rcvd [LCP ConfAck id=0x1 <asyncmap 0x0> <magic 0x864ffcde> <pcomp> <accomp>]
sent [LCP EchoReq id=0x0 magic=0x864ffcde]
rcvd [LCP DiscReq id=0x5 magic=0xe01e7a1e]
rcvd [CHAP Challenge id=0x1 <b0f28278892b8c223fc0af876243d769>, name = "UMTS_CHAP_SRVR"]
sent [CHAP Response id=0x1 <fca86c5ba58356c1578f61f159804846>, name = "$LTE_USERNAME"]
rcvd [LCP EchoRep id=0x0 magic=0xe01e7a1e 86 4f fc de]
rcvd [CHAP Success id=0x1 ""]
CHAP authentication succeeded
CHAP authentication succeeded
sent [IPCP ConfReq id=0x1 <addr 0.0.0.0>]
sent [IPCP ConfReq id=0x1 <addr 0.0.0.0>]
sent [IPCP ConfReq id=0x1 <addr 0.0.0.0>]
sent [IPCP ConfReq id=0x1 <addr 0.0.0.0>]
sent [LCP EchoReq id=0x1 magic=0x864ffcde]
sent [IPCP ConfReq id=0x1 <addr 0.0.0.0>]
sent [IPCP ConfReq id=0x1 <addr 0.0.0.0>]
sent [IPCP ConfReq id=0x1 <addr 0.0.0.0>]
sent [LCP EchoReq id=0x2 magic=0x864ffcde]
sent [IPCP ConfReq id=0x1 <addr 0.0.0.0>]
sent [IPCP ConfReq id=0x1 <addr 0.0.0.0>]
sent [IPCP ConfReq id=0x1 <addr 0.0.0.0>]
sent [LCP EchoReq id=0x3 magic=0x864ffcde]
IPCP: timeout sending Config-Requests
sent [LCP TermReq id=0x2 "No network protocols running"]
sent [LCP TermReq id=0x3 "No network protocols running"]
Connection terminated.
abort on (ERROR)
abort on (NO DIALTONE)
\send (+++ATH^M)
Good bye
Script /usr/sbin/chat -E -s -v -f /etc/ppp/peers/quectel-chat-disconnect finished (pid 3100), status = 0x0
Serial link disconnected.
Modem hangup
Results of suggested AT commands the connection disconnected:
AT+CGDCONT?
+CGDCONT: 1,"IP","scats.nsw","0.0.0.0",0,0,0,0,,,,,,,,,"",,,,0
OK
AT+CGREG?
+CGREG: 0,0
OK
AT+CEREG?
+CEREG: 0,0
OK
AT+C5GREG?
+C5GREG: 0,2
OK
AT+QENG="servingcell"
+QENG: "servingcell","SEARCH"
OK
AT+CGPADDR
+CGPADDR: 1,"0.0.0.0"
OK
AT+CGACT?
+CGACT: 1,0
OK
AT+QIACT?
OK
AT+QMAPWAC?
+QMAPWAC: 0
OK