Before capture was started:
- Wifi is disabled
- Airplane mode turned on

During capture:
- Airplane mode turned off
- Waited for 4G VoLTE icon to appear in Android
- MT call, not accepted (timeout)
- 2. MT call, accepted
- Hang up the call from Android
- (Bad signal strength, 4G barely works here)

Notes about AT commands:
- Standard: 3GPP TS 27.007
- MTK seems to have non-standard commands that extend the standard commands and
  start with E instead of C, e.g. EFUN instead of CFUN
- The AT commands listed are generated from the strace dump, specifically from
  what mtkfusionrild sends to the android debug log (because these were the
  easiest to extract). Some lines have ***, e.g. EIMSXUI=***, because the
  information is redacted for the android log. When searching in the original
  strace dump (e.g. for EIMSXUI), the original AT command without redacted
  information can be found.

# Connection establishment

## Power on and asking the modem 3x for vailable PLMNs and current calls

11:51:00 (ril  -> modem) AT+EFUN=1
	+CFUN: set phone functionality
	<fun> 1: full functionality
11:51:00 (ril <-  modem) OK
11:51:00 (ril <-  modem) +PSBEARER: 0,0,0,0
11:51:00 (ril <-  modem) +EIMSESS: 3,0
11:51:00 (ril <-  modem) +EREG: 2,\"FFFF\",\"0FFFFFFF\",0,0,0,0,0
	+CREG: network registration
	<stat> 2: not registered, but MT is currently trying to attach
11:51:00 (ril <-  modem) +EGREG: 2,\"FFFF\",\"0FFFFFFF\",0,\"00\",0,0,0,0
	+CGREG: GPRS network registration status
	<stat> 2: not registered, but MT is currently trying to attach
11:51:00 (ril  -> modem) AT+EOPS?
	+COPS: PLMN selection
11:51:00 (ril  -> modem) AT+EOPS?
	+COPS: PLMN selection
11:51:00 (ril <-  modem) +EOPS: 0,2,\"\",1
11:51:00 (ril <-  modem) +EOPS: 0,2,\"\",1
11:51:00 (ril <-  modem) OK
11:51:00 (ril <-  modem) OK
11:51:00 (ril  -> modem) AT+EOPS?
	+COPS: PLMN selection
11:51:00 (ril <-  modem) +EOPS: 0,2,\"\",1
11:51:00 (ril <-  modem) OK
11:51:00 (ril  -> modem) AT+EMEMS=1, 0
	???
	(guessing: memset? as in, reset APN? 1 by overwriting it with zeros?)
11:51:00 (ril  -> modem) AT+COPS?
	+COPS: PLMN selection
11:51:00 (ril  -> modem) AT+CLCC=***
	+CLCC: List current calls
11:51:00 (ril <-  modem) OK

## Modem selects PLMN=0

11:51:00 (ril <-  modem) +COPS: 0
11:51:00 (ril <-  modem) OK
11:51:00 (ril <-  modem) OK

## RIL asks for IMS + GPRS status

11:51:00 (ril  -> modem) AT+CIREG?
	+CIREG: IMS registration information
11:51:00 (ril  -> modem) AT+EGREG?
	+CGREG: GPRS network registration status
11:51:00 (ril <-  modem) +CIREG: 2,0,5
	<n>2: extended reporting is enabled
	<reg_info>0: not registered
	<ext_info>5:  1 RTP-based transfer of voice according to MMTEL,
			see 3GPP TS 24.173
		     +4 SMS using IMS functionality, see 3GPP TS 24.341
11:51:00 (ril <-  modem) OK
11:51:00 (ril <-  modem) +EGREG: 3,2,\"FFFF\",\"0FFFFFFF\",0,0,0,0,0,0
	<n>3: enable network registration, location information and GMM cause
	      value information unsolicited result code
	<stat>2: not registered, but MT is currently trying
	<lac>FFFF
	(rest is non-standard)
11:51:00 (ril <-  modem) OK

## RIL sets power related settings (fast dormancy), queries network reg. status

11:51:00 (ril  -> modem) AT+EFD=3,1
	non-standard
11:51:00 (ril <-  modem) OK
11:51:00 (ril  -> modem) AT+EREG?
	+CREG: network registration
11:51:00 (ril  -> modem) AT+EFD=0
	non-standard
11:51:00 (ril <-  modem) +EREG: 3,2,\"FFFF\",\"0FFFFFFF\",0,0,0,0,0
11:51:00 (ril <-  modem) OK
11:51:00 (ril <-  modem) OK

## RIL runs non-standard IMS config command (enable IMS?)

11:51:00 (ril  -> modem) AT+EIMSCFG=1,0,0,0,1,1
11:51:00 (ril <-  modem) OK
11:51:00 (ril <-  modem) +EIMS: 1

## RIL runs non-standard ESRVSTATE, and asks for PLMN selection status

11:51:00 (ril  -> modem) AT+ESRVSTATE=1,1,0,0,2,2
11:51:00 (ril  -> modem) AT+EOPS?
	+COPS: PLMN selection
11:51:00 (ril <-  modem) OK
11:51:00 (ril <-  modem) +EOPS: 0,2,\"\",1
11:51:00 (ril <-  modem) OK

## RIL runs +COPS, +EGREG, +EREG, network is still unregistered

11:51:00 (ril  -> modem) AT+COPS?
11:51:00 (ril <-  modem) +COPS: 0
11:51:00 (ril <-  modem) OK
11:51:00 (ril  -> modem) AT+EGREG?
11:51:00 (ril <-  modem) +EGREG: 3,2,\"FFFF\",\"0FFFFFFF\",0,0,0,0,0,0
11:51:00 (ril <-  modem) OK
11:51:00 (ril  -> modem) AT+EREG?
11:51:00 (ril <-  modem) +EREG: 3,2,\"FFFF\",\"0FFFFFFF\",0,0,0,0,0
11:51:00 (ril <-  modem) OK

## RIL runs EIMSCFG again, modem returns ECSQ (probably signal quality (SQ))
## for the first time (interestingly only in 1 of 3 answers)

11:51:00 (ril  -> modem) AT+EIMSCFG=1,0,0,0,1,1
11:51:00 (ril <-  modem) OK
11:51:00 (ril <-  modem) +EIMS: 1
11:51:00 (ril <-  modem) +ECSQ: 7,34,1,1,1,-65,-428,4096,-8,20
11:51:00 (ril  -> modem) AT+EIMSCFG=1,0,0,0,1,1
11:51:00 (ril <-  modem) OK
11:51:00 (ril <-  modem) +EIMS: 1
11:51:00 (ril  -> modem) AT+EIMSCFG=1,0,0,0,1,1
11:51:00 (ril <-  modem) OK
11:51:00 (ril <-  modem) +EIMS: 1

## RIL reports wifi status to modem

11:51:00 (ril  -> modem) AT+EWIFISIGLVL=\"wlan\",0,\"unknow\"
11:51:00 (ril <-  modem) OK
11:51:00 (ril  -> modem) AT+EWIFIEN=\"wlan0\",0,0
11:51:00 (ril <-  modem) OK
11:51:00 (ril  -> modem) AT+EWIFIASC=***
11:51:00 (ril <-  modem) OK
11:51:00 (ril <-  modem) +EWIFIRSSITHRCFG: 0
11:51:00 (ril  -> modem) AT+EWIFIADDR=***
11:51:00 (ril <-  modem) OK

## RIL queries ETHERMAL. Guess: ethernet message abstraction layer parameters?

11:51:01 (ril  -> modem) AT+ETHERMAL
11:51:01 (ril <-  modem) +ETHERMAL: 0, 32767, -127, -1, 32767, 0
11:51:01 (ril <-  modem) OK

## Modem has established a connection and returns all kinds of network
## parameters

11:51:01 (ril <-  modem) +CIREPI: 1
11:51:01 (ril <-  modem) +CNEMS1: 1
11:51:01 (ril <-  modem) +CNEMIU: 0
11:51:01 (ril <-  modem) +PSBEARER: 4096,3,0,0
11:51:01 (ril <-  modem) +CIEV: 3, 1
11:51:01 (ril <-  modem) +EIMSESS: 3,1
11:51:01 (ril <-  modem) +EREG: 1,\"C...\",\"01......\",4096,0,0,0,0
11:51:01 (ril <-  modem) +EGREG: 1,\"C...\",\"01......\",4096,\"00\",0,0,0,0
11:51:01 (ril <-  modem) +EPDN: , \"dcchg\", 129
11:51:01 (ril <-  modem) +EDRETRY: \"\"
11:51:01 (ril <-  modem) +EIRS: 0
11:51:01 (ril <-  modem) +CIEV: 9,\"21/09/22,...\",+8,1

## RIL queries network status

11:51:01 (ril  -> modem) AT+EOPS?
11:51:01 (ril  -> modem) AT+EOPS?
11:51:01 (ril <-  modem) +CTZEU: \"+8\",1,\"2021/09/22,...\"
11:51:01 (ril <-  modem) +CIEV: 10,\"2....\",\"o2 - de\",\"o2 - de\", 0, 0
11:51:01 (ril <-  modem) +EOPS: 0,2,\"2....\",4096
11:51:01 (ril <-  modem) +EOPS: 0,2,\"2....\",4096
11:51:01 (ril <-  modem) OK
11:51:01 (ril <-  modem) OK
11:51:01 (ril  -> modem) AT+EOPS?
11:51:01 (ril <-  modem) +EOPS: 0,2,\"2....\",4096
11:51:01 (ril <-  modem) OK
11:51:01 (ril  -> modem) AT+EGREG?
11:51:01 (ril <-  modem) +EGREG: 3,1,\"C...\",\"01......\",4096,0,0,0,0,0
11:51:01 (ril <-  modem) OK
11:51:01 (ril  -> modem) AT+PSBEARER?
11:51:01 (ril <-  modem) +PSBEARER: 4096,3,0,0
11:51:01 (ril <-  modem) OK
11:51:01 (ril  -> modem) AT+ECAINFO?
	non-standard
11:51:01 (ril <-  modem) +ECAINFO: 1,0,0,0,0,0
11:51:01 (ril <-  modem) OK

## RIL sets ELTEBWINFO (non-standard)
## LTE Bandwidth Info?
## I'm guessing =1 turns on a periodical ELTEBWINFO reporting and gives the
## current value. RIL only wants the current value, so it turns reporting off
## right afterwards. This pattern is repeated a couple of times below.

11:51:01 (ril  -> modem) AT+ELTEBWINFO=1
11:51:01 (ril <-  modem) +ELTEBWINFO: 100
11:51:01 (ril <-  modem) OK
11:51:01 (ril  -> modem) AT+ELTEBWINFO=0
11:51:01 (ril <-  modem) OK

## RIL queries network status

11:51:01 (ril  -> modem) AT+COPS?
11:51:01 (ril <-  modem) +COPS: 0,2,\"2....\",7
11:51:01 (ril <-  modem) OK
11:51:01 (ril  -> modem) AT+EREG?
11:51:01 (ril <-  modem) +EREG: 3,1,\"C...\",\"01......\",4096,0,0,0,0
11:51:01 (ril <-  modem) OK

## RIL sets ESRVSTATE again

11:51:01 (ril  -> modem) AT+ESRVSTATE=0,0,0,0,1,1
11:51:01 (ril <-  modem) OK

## RIL requests cell information (non-standard)

11:51:01 (ril  -> modem) AT+ECELL
11:51:01 (ril <-  modem) +ECELL: ...
11:51:01 (ril <-  modem) OK
11:51:01 (ril <-  modem) +EPDN: , \"dcchg\", 129
11:51:01 (ril <-  modem) +EDRETRY: \"ims\"
11:51:01 (ril <-  modem) +EWIFIPDNACT: 0

## RIL seems to enable the APN (non-standard)

11:51:01 (ril  -> modem) AT+EDRETRY=1,\"internet\"
11:51:01 (ril <-  modem) +CME ERROR: 5873
11:51:01 (ril  -> modem) AT+EAPNACT=1,\"internet\",\"default\",0
11:51:02 (ril <-  modem) +EWIFIPDNACT: 0
11:51:02 (ril <-  modem) +CGEV: ME PDN ACT 0
11:51:02 (ril <-  modem) OK
11:51:02 (ril  -> modem) AT+EPDN=0,\"ifst\",20
11:51:02 (ril  -> modem) AT+EWFCP=2
11:51:02 (ril <-  modem) +EAPNINFO: EPDN, \"at\", 0, 4, \"IPv4v6\", 1, 14, 0, 0, 0
11:51:02 (ril <-  modem) OK
11:51:02 (ril <-  modem) +EPDN: 0, \"new\", 1, 401, 0, 1, \"10.151........\"
11:51:02 (ril <-  modem) OK

## RIL queries PDP context parameters

11:51:02 (ril  -> modem) AT+CGCONTRDP
	+CGCONTRDP: PDP context read dynamic parameters
11:51:02 (ril <-  modem) +CGCONTRDP: 0,5,\"internet.MNC007.MCC262.GPRS\",\"\",\"\",\"62...\",\"62...\",\"\",\"\",0,,0,,
11:51:02 (ril <-  modem) +CGCONTRDP: 0,5,\"internet.MNC007.MCC262.GPRS\",\"\",\"\",\"42.2...\",\"42.2...\",\"\",\"\",0,,0,,
11:51:02 (ril <-  modem) OK
11:51:02 (ril  -> modem) AT+CGACT?
	+CGACT PDP context activate or deactivate
	?: get list of supported <state>s
11:51:02 (ril <-  modem) +CGACT: 0,1
11:51:02 (ril <-  modem) +CGACT: 1,0
11:51:02 (ril <-  modem) +CGACT: 2,0
11:51:02 (ril <-  modem) +CGACT: 3,0
11:51:02 (ril <-  modem) +CGACT: 4,0
11:51:02 (ril <-  modem) +CGACT: 5,0
11:51:02 (ril <-  modem) +CGACT: 6,0
11:51:02 (ril <-  modem) +CGACT: 7,0
11:51:02 (ril <-  modem) +CGACT: 8,0
11:51:02 (ril <-  modem) +CGACT: 9,0
11:51:02 (ril <-  modem) +CGACT: 10,0
11:51:02 (ril <-  modem) OK

## RIL gets informed by modem about IP change (non-standard)

11:51:02 (ril <-  modem) +EAPNINFO: EPDN, \"ipchg\", 0, 4, \"IPv4v6\", 1, 80000017, 80000017, 0, 0
11:51:02 (ril <-  modem) +EPDN: 0, \"dcchg\", 256

## RIL queries PDP context parameters

11:51:02 (ril  -> modem) AT+CGACT?
11:51:02 (ril <-  modem) +CGACT: 0,1
11:51:02 (ril <-  modem) +CGACT: 1,0
11:51:02 (ril <-  modem) +CGACT: 2,0
11:51:02 (ril <-  modem) +CGACT: 3,0
11:51:02 (ril <-  modem) +CGACT: 4,0
11:51:02 (ril <-  modem) +CGACT: 5,0
11:51:02 (ril <-  modem) +CGACT: 6,0
11:51:02 (ril <-  modem) +CGACT: 7,0
11:51:02 (ril <-  modem) +CGACT: 8,0
11:51:02 (ril <-  modem) +CGACT: 9,0
11:51:02 (ril <-  modem) +CGACT: 10,0
11:51:02 (ril <-  modem) OK

## Some PDN context related setup (non-standard commands)

11:51:02 (ril  -> modem) AT+EPDN=0,\"ifst\",4
11:51:02 (ril <-  modem) +EPDN: 0, \"update\", 401, 3, \"10.151.......\", \".../64\"
11:51:02 (ril <-  modem) OK
11:51:02 (ril  -> modem) AT+CGCONTRDP=0
11:51:02 (ril <-  modem) +CGCONTRDP: 0,5,\"internet.MNC007.MCC262.GPRS\",\"\",\"\",\"62.109...\",\"62.109....\",\"\",\"\",0,,0,,
11:51:02 (ril <-  modem) +CGCONTRDP: 0,5,\"internet.MNC007.MCC262.GPRS\",\"\",\"\",\"42.2...\",\"42.2...\",\"\",\"\",0,,0,,
11:51:02 (ril <-  modem) OK
11:51:03 (ril <-  modem) +ECSQ: 12,37,1,1,1,-55,-416,4096,-4,20
11:51:04 (ril <-  modem) +EIMSPDN: \"notify\", 1, 1, \"ims\"

## IMS PDN context setup

11:51:04 (ril  -> modem) AT+EIMSPDN= \"confirm\", 1, 0
11:51:04 (ril <-  modem) OK
11:51:04 (ril <-  modem) +EIMSPDIS:13,1,5,\"ccmni0\"
11:51:04 (ril <-  modem) +EIMSPDIS:14,1,2,\"ccmni0\"
11:51:04 (ril  -> modem) AT+EDRETRY=1,\"ims\"
11:51:04 (ril  -> modem) AT+EIMSPDIS= 13, 5, 0
11:51:04 (ril <-  modem) +CME ERROR: 5873
11:51:04 (ril <-  modem) OK
11:51:04 (ril  -> modem) AT+EIMSPDIS= 14, 2, 0
11:51:04 (ril  -> modem) AT+EAPNACT=1,\"ims\",\"ims\",0
11:51:04 (ril <-  modem) OK
11:51:04 (ril <-  modem) +CGEV: ME PDN ACT 1
11:51:04 (ril <-  modem) OK
11:51:04 (ril  -> modem) AT+EPDN=1,\"ifst\",20
11:51:04 (ril <-  modem) +EPDN: 1, \"new\", 1, 300, 0, 2, \"42.2.../64\"
11:51:04 (ril <-  modem) OK
11:51:04 (ril  -> modem) AT+CGCONTRDP
11:51:04 (ril <-  modem) +CGCONTRDP: 0,5,\"internet.MNC007.MCC262.GPRS\",\"\",\"\",\"62...\",\"62...\",\"\",\"\",0,,0,,
11:51:04 (ril <-  modem) +CGCONTRDP: 0,5,\"internet.MNC007.MCC262.GPRS\",\"\",\"\",\"42.2...\",\"42.2...\",\"\",\"\",0,,0,,
11:51:04 (ril <-  modem) +CGCONTRDP: 1,6,\"ims.MNC007.MCC262.GPRS\",\"\",\"\",\"0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0\",\"\",\"42.2...\",\"42.2...\",1,,0,,
11:51:04 (ril <-  modem) OK

## RIL queries PDP context parameters

11:51:04 (ril  -> modem) AT+CGACT?
11:51:04 (ril <-  modem) +CGACT: 0,1
11:51:04 (ril <-  modem) +CGACT: 1,1
11:51:04 (ril <-  modem) +CGACT: 2,0
11:51:04 (ril <-  modem) +CGACT: 3,0
11:51:04 (ril <-  modem) +CGACT: 4,0
11:51:04 (ril <-  modem) +CGACT: 5,0
11:51:04 (ril <-  modem) +CGACT: 6,0
11:51:04 (ril <-  modem) +CGACT: 7,0
11:51:04 (ril <-  modem) +CGACT: 8,0
11:51:04 (ril <-  modem) +CGACT: 9,0
11:51:04 (ril <-  modem) +CGACT: 10,0
11:51:04 (ril <-  modem) OK

## IMS registered!

11:51:05 (ril <-  modem) +CIREGU: 1,5
	3GPP 27.007 § 8.71 IMS registration information +CIREG:
	"unsolicited result code +CIREGU: <reg_info>[,<ext_info>] when there is
	a change in the MT's IMS registration information."
	<reg_info>1: registered
	<ext_info>5: 1    RTP-based transfer of voice according to MMTEL
	            +4    SMS using IMS functionality
11:51:05 (ril <-  modem) +EIMSXUI=***
	non-standard
	***: 0,0,sip:+49176...@telefonica.de,tel:+49176...

## RIL queries CIREG (although the modem just gave the information)

11:51:05 (ril  -> modem) AT+CIREG?
	+CIREG IMS registration information
11:51:05 (ril <-  modem) +CIREG: 2,1,5
	<n>2: extended reporting
	<reg_info>1: registered
	<ext_info>5: 1    RTP-based transfer of voice according to MMTEL
	            +4    SMS using IMS functionality
11:51:05 (ril <-  modem) OK
11:51:05 (ril  -> modem) AT+CIREG?
11:51:05 (ril <-  modem) +CIREG: 2,1,5
11:51:05 (ril <-  modem) OK

## Idling, with periodical:
## * Signal Quality reports from modem
## * querying of ETHERMAL
## * calls to ERFTX to set transmit power
## * network registration status queries
## * querying of LTE bandwidth info

11:51:06 (ril <-  modem) +ECSQ: 13,36,1,1,1,-53,-417,4096,4,20
11:51:08 (ril <-  modem) +ECSQ: 13,36,1,1,1,-53,-419,4096,-4,20
11:51:11 (ril  -> modem) AT+ETHERMAL
11:51:11 (ril <-  modem) +ETHERMAL: 3, 30, 10, 25279, 32767, -28550
11:51:11 (ril <-  modem) OK
11:51:11 (ril <-  modem) +ECSQ: 7,35,1,1,1,-65,-424,4096,-21,20
11:51:14 (ril <-  modem) +ECSQ: 7,35,1,1,1,-65,-421,4096,-15,20
11:51:16 (ril <-  modem) +ECSQ: 6,33,1,1,1,-67,-431,4096,-12,20
11:51:19 (ril <-  modem) +ECSQ: 6,33,1,1,1,-67,-430,4096,-14,20
11:51:21 (ril  -> modem) AT+ETHERMAL
11:51:21 (ril <-  modem) +ETHERMAL: 3, 25, 9, 25279, 32767, -28550
11:51:21 (ril <-  modem) OK
11:51:21 (ril <-  modem) +ECSQ: 6,33,1,1,1,-67,-431,4096,-15,20
11:51:24 (ril <-  modem) +ECSQ: 8,33,1,1,1,-64,-430,4096,-7,20
11:51:25 (ril  -> modem) AT+ERFTX=11
	non-standard (set rf tx power)
11:51:25 (ril <-  modem) +ERFTX: 11,5,0,0,0,0,1650,13037,67281,13145
11:51:25 (ril <-  modem) OK
11:51:27 (ril <-  modem) +ECSQ: 6,33,1,1,1,-68,-430,4096,-11,20
11:51:31 (ril  -> modem) AT+ETHERMAL
11:51:31 (ril <-  modem) +ETHERMAL: 3, 29, -50, 25279, 32767, -28550
11:51:31 (ril <-  modem) OK
11:51:32 (ril <-  modem) +ECSQ: 6,33,1,1,1,-68,-429,4096,-16,20
11:51:37 (ril <-  modem) +ECSQ: 6,33,1,1,1,-68,-429,4096,-18,20
11:51:41 (ril  -> modem) AT+ETHERMAL
11:51:41 (ril <-  modem) +ETHERMAL: 3, 28, -50, 25279, 32767, -28550
11:51:41 (ril <-  modem) OK
11:51:42 (ril <-  modem) +ECSQ: 7,34,1,1,1,-65,-426,4096,-15,20
11:51:48 (ril <-  modem) +ECSQ: 6,33,1,1,1,-68,-430,4096,-16,20
11:51:50 (ril <-  modem) +ECSQ: 4,32,1,1,1,-71,-436,4096,-22,20
11:51:51 (ril  -> modem) AT+ETHERMAL
11:51:51 (ril <-  modem) +ETHERMAL: 3, 29, 9, 25279, 32767, -28550
11:51:51 (ril <-  modem) OK
11:51:53 (ril <-  modem) +ECSQ: 255,255,1,1,1,1,1,4096,32767,-1
11:51:53 (ril  -> modem) AT+ERFTX=11
11:51:53 (ril <-  modem) +ERFTX: 11,5,0,0,0,0,403,3973,16195,7342
11:51:53 (ril <-  modem) OK
11:51:53 (ril <-  modem) +EREG: 1,\"C...\",\"01...\",4096,0,0,0,0
11:51:53 (ril <-  modem) +EGREG: 1,\"C...\",\"01...\",4096,\"00\",0,0,0,0
11:51:53 (ril  -> modem) AT+EOPS?
11:51:53 (ril  -> modem) AT+EOPS?
11:51:53 (ril <-  modem) +EOPS: 0,2,\"2....\",4096
11:51:53 (ril <-  modem) +EOPS: 0,2,\"2....\",4096
11:51:53 (ril <-  modem) OK
11:51:53 (ril <-  modem) OK
11:51:53 (ril  -> modem) AT+EOPS?
11:51:53 (ril <-  modem) +EOPS: 0,2,\"2....\",4096
11:51:53 (ril <-  modem) OK
11:51:53 (ril  -> modem) AT+COPS?
11:51:53 (ril <-  modem) +COPS: 0,2,\"2....\",7
11:51:53 (ril <-  modem) OK
11:51:53 (ril  -> modem) AT+EGREG?
11:51:53 (ril <-  modem) +EGREG: 3,1,\"C...\",\"01...\",4096,0,0,0,0,0
11:51:53 (ril <-  modem) OK
11:51:53 (ril  -> modem) AT+PSBEARER?
11:51:53 (ril <-  modem) +PSBEARER: 4096,3,0,0
11:51:53 (ril <-  modem) OK
11:51:53 (ril  -> modem) AT+ECAINFO?
11:51:53 (ril <-  modem) +ECAINFO: 1,0,0,0,0,0
11:51:53 (ril <-  modem) OK
11:51:53 (ril  -> modem) AT+ELTEBWINFO=1
11:51:53 (ril <-  modem) +ELTEBWINFO: 150
11:51:53 (ril <-  modem) OK
11:51:53 (ril  -> modem) AT+ELTEBWINFO=0
11:51:53 (ril <-  modem) OK
11:51:53 (ril  -> modem) AT+EREG?
11:51:53 (ril <-  modem) +EREG: 3,1,\"C...\",\"01...\",4096,0,0,0,0
11:51:53 (ril <-  modem) OK
11:51:53 (ril  -> modem) AT+ESRVSTATE=0,0,0,0,1,1
11:51:53 (ril <-  modem) OK
11:51:53 (ril <-  modem) +ECSQ: 7,19,1,1,1,-66,-488,4096,-16,3
11:51:55 (ril <-  modem) +EREG: 1,\"C...\",\"01......\",4096,0,0,0,0
11:51:55 (ril <-  modem) +EGREG: 1,\"C...\",\"01......\",4096,\"00\",0,0,0,0
11:51:55 (ril  -> modem) AT+EOPS?
11:51:55 (ril  -> modem) AT+EOPS?
11:51:55 (ril <-  modem) +EOPS: 0,2,\"2....\",4096
11:51:55 (ril <-  modem) +EOPS: 0,2,\"2....\",4096
11:51:55 (ril <-  modem) OK
11:51:55 (ril <-  modem) OK
11:51:55 (ril  -> modem) AT+EOPS?
11:51:55 (ril <-  modem) +EOPS: 0,2,\"2....\",4096
11:51:55 (ril <-  modem) OK
11:51:55 (ril  -> modem) AT+COPS?
11:51:55 (ril <-  modem) +COPS: 0,2,\"2....\",7
11:51:55 (ril <-  modem) OK
11:51:55 (ril  -> modem) AT+EGREG?
11:51:55 (ril <-  modem) +EGREG: 3,1,\"C...\",\"01......\",4096,0,0,0,0,0
11:51:55 (ril <-  modem) OK
11:51:55 (ril  -> modem) AT+PSBEARER?
11:51:55 (ril <-  modem) +PSBEARER: 4096,3,0,0
11:51:55 (ril <-  modem) OK
11:51:55 (ril <-  modem) +ECSQ: 3,31,1,1,1,-73,-440,4096,-22,20
11:51:55 (ril  -> modem) AT+ECAINFO?
11:51:55 (ril <-  modem) +ECAINFO: 1,0,0,0,0,0
11:51:55 (ril <-  modem) OK
11:51:55 (ril  -> modem) AT+ELTEBWINFO=1
11:51:55 (ril <-  modem) +ELTEBWINFO: 100
11:51:55 (ril <-  modem) OK
11:51:55 (ril  -> modem) AT+ELTEBWINFO=0
11:51:55 (ril <-  modem) OK
11:51:55 (ril  -> modem) AT+EREG?
11:51:55 (ril <-  modem) +EREG: 3,1,\"C...\",\"01......\",4096,0,0,0,0
11:51:55 (ril <-  modem) OK
11:51:55 (ril  -> modem) AT+ESRVSTATE=0,0,0,0,1,1
11:51:55 (ril <-  modem) OK

# MT call, ringing (1)

11:52:00 (ril <-  modem) +ESIPCPI: 0,1,0,1,0,\"\"
11:52:00 (ril <-  modem) +EAIC=***
	non-standard
	IC: incoming call?
	EAIC: 1,"+49176...",129,20,100
11:52:00 (ril  -> modem) AT+EAIC=0,1,100
11:52:00 (ril <-  modem) OK
11:52:00 (ril <-  modem) +ESIPCPI: 1,0,1,1,183,\"\"
	non-standard
	SIP status 183: Session Progress
11:52:00 (ril <-  modem) +ECPI=***
	ECPI: 1,0,0,1,1,20,"+49176...",129,"<sip:+49176...@MSODUS1;user=phone>"
11:52:00 (ril <-  modem) +ECSQ: 4,31,1,1,1,-71,-438,4096,-23,20
11:52:01 (ril <-  modem) +CGEV: NW ACT 1, 10, 0
11:52:01 (ril <-  modem) +ESIPCPI: 1,1,0,13,0,\"\"
	non-standard
11:52:01 (ril <-  modem) +ESIPCPI: 1,0,1,13,200,\"\"
	non-standard
	SIP status 200: OK
11:52:01 (ril <-  modem) +ESIPCPI: 1,0,1,1,180,\"\"
	non-standard
	SIP status 180: Ringing
11:52:01 (ril <-  modem) +CRING: VOICE

## Waiting for user to accept call, periodic querying of data from modem

11:52:01 (ril  -> modem) AT+ETHERMAL
11:52:01 (ril <-  modem) +ETHERMAL: 3, 33, 20, 25279, 32767, -28550
11:52:01 (ril <-  modem) OK
11:52:03 (ril <-  modem) +ECSQ: 4,31,1,1,1,-71,-439,4096,-22,20
11:52:06 (ril <-  modem) +ECSQ: 4,31,1,1,1,-71,-439,4096,-23,20
11:52:08 (ril <-  modem) +ECSQ: 4,31,1,1,1,-71,-437,4096,-23,20
11:52:11 (ril <-  modem) +ECSQ: 3,31,1,1,1,-74,-440,4096,-26,20
11:52:11 (ril  -> modem) AT+ETHERMAL
11:52:11 (ril <-  modem) +ETHERMAL: 3, 32, 10, 25279, 32767, -28550
11:52:11 (ril <-  modem) OK
11:52:14 (ril <-  modem) +ECSQ: 2,30,1,1,1,-75,-441,4096,-28,20
11:52:16 (ril <-  modem) +ECSQ: 5,33,1,1,1,-69,-432,4096,-18,20

## User did not accept call, modem cancels the call

11:52:17 (ril <-  modem) +ESIPCPI: 1,1,0,4,0,\"\"
	non-standard
	Probably SIP Cancel request
11:52:17 (ril <-  modem) +ESIPCPI: 1,0,1,4,200,\"\"
	non-standard
	SIP status 200: OK
11:52:17 (ril <-  modem) +ESIPCPI: 1,0,1,1,487,\"\"
	non-standard
	SIP status 487: Request Terminated
11:52:17 (ril <-  modem) +ECPI=***
	ECPI: 1,133,0,1,1,20,"+49176...",129,"<sip:+49176...@MSODUS1;user=phone>",16
11:52:17 (ril  -> modem) AT+CEER
	+CEER: Extended error report
	RIL asks why the call was terminated
11:52:17 (ril <-  modem) +CEER: 16,CM_NORMAL_CALL_CLR
11:52:17 (ril <-  modem) OK

## RIL sets power settings

11:52:18 (ril  -> modem) AT+EFD=3,0
11:52:18 (ril <-  modem) OK

## RIL enables signal quality reporting and queries current values

11:52:18 (ril  -> modem) AT+ECSQ=1
11:52:18 (ril <-  modem) OK
11:52:18 (ril  -> modem) AT+ECSQ
11:52:18 (ril <-  modem) +ECSQ: 5,33,1,1,1,-69,-432,4096,-18,20
11:52:18 (ril <-  modem) +ECSQ: 0,0,0,0,0,0,0,0,0,0
11:52:18 (ril <-  modem) +ECSQ: 0,0,0,0,0,0,0,0,0,0
11:52:18 (ril <-  modem) OK

## Idling, querying and configuring network parameters

11:52:18 (ril  -> modem) AT+EREG=3
11:52:18 (ril <-  modem) OK
11:52:18 (ril <-  modem) +EREG: 1,\"C...\",\"01......\",4096,0,0,0,0
11:52:18 (ril  -> modem) AT+EGREG=3
11:52:18 (ril <-  modem) +EGREG: 1,\"C...\",\"01......\",4096,\"00\",0,0,0,0
11:52:18 (ril <-  modem) OK
11:52:18 (ril  -> modem) AT+PSBEARER=1
11:52:18 (ril <-  modem) OK
11:52:18 (ril  -> modem) AT+EOPS?
11:52:18 (ril  -> modem) AT+CIREG=2
11:52:18 (ril <-  modem) +EOPS: 0,2,\"2....\",4096
11:52:18 (ril <-  modem) +CIREGU: 1,5
11:52:18 (ril <-  modem) OK
11:52:18 (ril <-  modem) OK
11:52:18 (ril  -> modem) AT+EREGINFO=1
11:52:18 (ril <-  modem) OK
11:52:18 (ril  -> modem) AT+EIPRL?
	non-standard
	probably querying fixed TE data rate (+IPR is standard)
11:52:18 (ril <-  modem) +CME ERROR: 65535
11:52:18 (ril  -> modem) AT+EDEFROAM=1
11:52:18 (ril <-  modem) +CME ERROR: 65535
11:52:18 (ril  -> modem) AT+EXLCE=1
11:52:18 (ril <-  modem) OK
11:52:18 (ril  -> modem) AT+EOPS?
11:52:18 (ril <-  modem) +EOPS: 0,2,\"2....\",4096
11:52:18 (ril <-  modem) OK
11:52:18 (ril  -> modem) AT+EOPS?
11:52:18 (ril <-  modem) +EOPS: 0,2,\"2....\",4096
11:52:18 (ril <-  modem) OK
11:52:18 (ril  -> modem) AT+COPS?
11:52:18 (ril <-  modem) +COPS: 0,2,\"2....\",7
11:52:18 (ril <-  modem) OK
11:52:18 (ril  -> modem) AT+EGREG?
11:52:18 (ril <-  modem) +EGREG: 3,1,\"C...\",\"01......\",4096,0,0,0,0,0
11:52:18 (ril <-  modem) OK
11:52:18 (ril  -> modem) AT+PSBEARER?
11:52:18 (ril <-  modem) +PSBEARER: 4096,3,0,0
11:52:18 (ril <-  modem) OK
11:52:18 (ril  -> modem) AT+CIREG?
11:52:18 (ril <-  modem) +CIREG: 2,1,5
11:52:18 (ril <-  modem) OK
11:52:18 (ril  -> modem) AT+ECAINFO?
11:52:18 (ril  -> modem) AT+CIREG?
11:52:18 (ril <-  modem) +ECAINFO: 1,0,0,0,0,0
11:52:18 (ril <-  modem) OK
11:52:18 (ril <-  modem) +CIREG: 2,1,5
11:52:18 (ril  -> modem) AT+ELTEBWINFO=1
11:52:18 (ril <-  modem) OK
11:52:18 (ril <-  modem) +ELTEBWINFO: 100
11:52:18 (ril <-  modem) OK
11:52:19 (ril  -> modem) AT+ELTEBWINFO=0
11:52:19 (ril <-  modem) OK
11:52:19 (ril  -> modem) AT+EREG?
11:52:19 (ril <-  modem) +EREG: 3,1,\"C...\",\"01......\",4096,0,0,0,0
11:52:19 (ril <-  modem) OK
11:52:19 (ril <-  modem) +EXLCE: 6925,1325
11:52:19 (ril <-  modem) +ECSQ: 6,33,1,1,1,-68,-430,4096,-17,20
11:52:21 (ril  -> modem) AT+ETHERMAL
11:52:21 (ril <-  modem) +ETHERMAL: 3, 31, 12, 25279, 32767, -28550
11:52:21 (ril <-  modem) OK
11:52:21 (ril <-  modem) +ECSQ: 6,33,1,1,1,-68,-430,4096,-15,20
11:52:23 (ril <-  modem) +EXLCE: 6925,0
11:52:24 (ril <-  modem) +ECSQ: 6,33,1,1,1,-68,-431,4096,-17,20
11:52:26 (ril <-  modem) +EXLCE: 6925,3525
11:52:27 (ril <-  modem) +ECSQ: 6,33,1,1,1,-67,-431,4096,-15,20
11:52:29 (ril <-  modem) +ECSQ: 5,32,1,1,1,-69,-433,4096,-19,20
11:52:31 (ril <-  modem) +EXLCE: 6925,0
11:52:31 (ril  -> modem) AT+ETHERMAL
11:52:31 (ril <-  modem) +ETHERMAL: 3, 30, 9, 25279, 32767, -28550
11:52:31 (ril <-  modem) OK
11:52:32 (ril <-  modem) +ECSQ: 6,33,1,1,1,-68,-432,4096,-18,20
11:52:34 (ril <-  modem) +EXLCE: 6925,3525
11:52:35 (ril <-  modem) +ECSQ: 6,32,1,1,1,-68,-433,4096,-17,20
11:52:37 (ril <-  modem) +ECSQ: 6,33,1,1,1,-68,-432,4096,-17,20
11:52:38 (ril <-  modem) +EXLCE: 6925,0
11:52:40 (ril <-  modem) +ECSQ: 5,33,1,1,1,-69,-432,4096,-17,20
11:52:41 (ril  -> modem) AT+ETHERMAL
11:52:41 (ril <-  modem) +ETHERMAL: 3, 25, 10, 25279, 32767, -28550
11:52:41 (ril <-  modem) OK
11:52:42 (ril <-  modem) +EXLCE: 6925,3525
11:52:43 (ril <-  modem) +ECSQ: 6,32,1,1,1,-68,-433,4096,-19,20
11:52:45 (ril <-  modem) +ECSQ: 6,33,1,1,1,-67,-432,4096,-15,20
11:52:48 (ril <-  modem) +ECSQ: 6,33,1,1,1,-68,-431,4096,-17,20
11:52:51 (ril <-  modem) +ECSQ: 6,32,1,1,1,-68,-433,4096,-15,20
11:52:51 (ril  -> modem) AT+ETHERMAL
11:52:51 (ril <-  modem) +ETHERMAL: 3, 30, 9, 25279, 32767, -28550
11:52:51 (ril <-  modem) OK
11:52:53 (ril <-  modem) +ECSQ: 5,33,1,1,1,-69,-432,4096,-19,20
11:52:56 (ril <-  modem) +ECSQ: 5,32,1,1,1,-70,-433,4096,-19,20
11:52:57 (ril <-  modem) +ESIPCPI: 0,1,0,1,0,\"\"
11:52:57 (ril <-  modem) +EAIC=***
	EAIC: 1,"+49176...",129,20,101
11:52:58 (ril  -> modem) AT+EAIC=0,1,101
11:52:58 (ril <-  modem) OK

# MT call, ringing (2)

11:52:58 (ril <-  modem) +ESIPCPI: 1,0,1,1,183,\"\"
	SIP code 183: Session Progress
11:52:58 (ril <-  modem) +ECPI=***
	ECPI: 1,0,0,1,1,20,"+49176...",129,"<sip:+49176...@MSODUS1;user=phone>
11:52:58 (ril <-  modem) +CGEV: NW ACT 1, 10, 0
11:52:58 (ril <-  modem) +ESIPCPI: 1,1,0,13,0,\"\"
11:52:58 (ril <-  modem) +ESIPCPI: 1,0,1,13,200,\"\"
	SIP code 200: OK
11:52:58 (ril <-  modem) +ESIPCPI: 1,0,1,1,180,\"\"
	SIP code 180: Ringing
11:52:58 (ril <-  modem) +CRING: VOICE
11:52:59 (ril <-  modem) +ECSQ: 6,33,1,1,1,-67,-430,4096,-15,20

## RIL controls power settings

11:52:59 (ril  -> modem) AT+EFD=3,0
11:52:59 (ril <-  modem) OK
11:52:59 (ril  -> modem) AT+EFD=3,1
11:52:59 (ril <-  modem) OK

## Idle, wait for call accept

11:53:01 (ril <-  modem) +ECSQ: 10,35,1,1,1,-60,-424,4096,-10,20
11:53:01 (ril  -> modem) AT+ETHERMAL
11:53:01 (ril <-  modem) +ETHERMAL: 3, 32, 11, 25279, 32767, -28550
11:53:01 (ril <-  modem) OK
11:53:04 (ril <-  modem) +EXLCE: 6925,5225
11:53:04 (ril <-  modem) +ECSQ: 11,35,1,1,1,-57,-421,4096,-7,20
11:53:07 (ril <-  modem) +ECSQ: 11,35,1,1,1,-57,-422,4096,-8,20
11:53:07 (ril <-  modem) +EXLCE: 6925,2825
11:53:09 (ril <-  modem) +ECSQ: 11,35,1,1,1,-58,-423,4096,-8,20

## RIL accepts call

11:53:10 (ril  -> modem) ATA
	Call answered
11:53:10 (ril <-  modem) +ESIPCPI: 1,0,1,1,200,\"\"
	SIP code 200: OK
11:53:10 (ril <-  modem) OK
11:53:10 (ril <-  modem) +ECPI=***
11:53:10 (ril <-  modem) +ESPEECH: 1,4,0
11:53:10 (ril <-  modem) +ECPI=***
11:53:10 (ril <-  modem) +ECSQ: 4,31,1,1,1,-72,-438,4096,-25,20
11:53:10 (ril <-  modem) +EVOCD:6
11:53:10 (ril <-  modem) +EVOCD:6
11:53:10 (ril <-  modem) +ESIPCPI: 1,1,0,6,0,\"\"
11:53:11 (ril <-  modem) +EXLCE: 6925,0
11:53:11 (ril <-  modem) +EREG: 1,\"C...\",\"01...\",4096,0,0,0,0
11:53:11 (ril <-  modem) +EGREG: 1,\"C...\",\"01...\",4096,\"00\",0,0,0,0
11:53:11 (ril <-  modem) +ECSQ: 3,29,1,1,1,-74,-446,4096,-20,20

## Idling during call, querying various parameters

11:53:11 (ril  -> modem) AT+EOPS?
11:53:11 (ril  -> modem) AT+EOPS?
11:53:11 (ril <-  modem) +EOPS: 0,2,\"2....\",4096
11:53:11 (ril <-  modem) +EOPS: 0,2,\"2....\",4096
11:53:11 (ril <-  modem) OK
11:53:11 (ril <-  modem) OK
11:53:11 (ril  -> modem) AT+EOPS?
11:53:11 (ril <-  modem) +EOPS: 0,2,\"2....\",4096
11:53:11 (ril <-  modem) OK
11:53:11 (ril  -> modem) AT+ETHERMAL
11:53:12 (ril  -> modem) AT+COPS?
11:53:12 (ril <-  modem) +ETHERMAL: 3, 33, 12, 25279, 32767, -28550
11:53:12 (ril <-  modem) OK
11:53:12 (ril <-  modem) +COPS: 0,2,\"2....\",7
11:53:12 (ril <-  modem) OK
11:53:12 (ril  -> modem) AT+EGREG?
11:53:12 (ril <-  modem) +EGREG: 3,1,\"C...\",\"01...\",4096,0,0,0,0,0
11:53:12 (ril <-  modem) OK
11:53:12 (ril  -> modem) AT+PSBEARER?
11:53:12 (ril <-  modem) +PSBEARER: 4096,3,0,0
11:53:12 (ril <-  modem) OK
11:53:12 (ril  -> modem) AT+ECAINFO?
11:53:12 (ril <-  modem) +ECAINFO: 1,0,0,0,0,0
11:53:12 (ril <-  modem) OK
11:53:12 (ril  -> modem) AT+ELTEBWINFO=1
11:53:12 (ril <-  modem) +ELTEBWINFO: 100
11:53:12 (ril <-  modem) OK
11:53:12 (ril  -> modem) AT+ELTEBWINFO=0
11:53:12 (ril <-  modem) OK
11:53:12 (ril  -> modem) AT+EREG?
11:53:12 (ril <-  modem) +EREG: 3,1,\"C...\",\"01...\",4096,0,0,0,0
11:53:12 (ril <-  modem) OK
11:53:12 (ril  -> modem) AT+ESRVSTATE=0,0,0,0,1,1
11:53:12 (ril <-  modem) OK
11:53:14 (ril <-  modem) +ECSQ: 3,29,1,1,1,-73,-445,4096,-25,20
11:53:14 (ril <-  modem) +EXLCE: 6925,5225
11:53:17 (ril <-  modem) +ECSQ: 5,30,1,1,1,-69,-443,4096,-18,20
11:53:17 (ril <-  modem) +EXLCE: 4800,5225
11:53:19 (ril <-  modem) +ECSQ: 4,29,1,1,1,-72,-448,4096,-22,20
11:53:22 (ril  -> modem) AT+ETHERMAL
11:53:22 (ril <-  modem) +ETHERMAL: 3, 34, 17, 25279, 32767, -28550
11:53:22 (ril <-  modem) OK
11:53:22 (ril <-  modem) +ECSQ: 4,28,1,1,1,-72,-449,4096,-22,20
11:53:23 (ril <-  modem) +EXLCE: 5225,5225
11:53:25 (ril <-  modem) +ECSQ: 4,29,1,1,1,-72,-445,4096,-24,20
11:53:28 (ril <-  modem) +ECSQ: 5,30,1,1,1,-69,-442,4096,-15,20
11:53:29 (ril <-  modem) +EXLCE: 4800,5225
11:53:30 (ril <-  modem) +ECSQ: 4,30,1,1,1,-72,-442,4096,-20,20

# Hanging up

11:53:31 (ril  -> modem) AT+CHLD=11
11:53:31 (ril <-  modem) +ESIPCPI: 1,0,0,7,0,\"User Triggered\"
11:53:31 (ril <-  modem) OK
11:53:31 (ril <-  modem) +ESPEECH: 0,4,0
11:53:31 (ril <-  modem) +ECPI=***

# Extended error report
# RIL is wondering why the call stopped
# Modem assures that it was because the user hung up

11:53:31 (ril  -> modem) AT+CEER
11:53:31 (ril <-  modem) +CEER: 16,CM_NORMAL_CALL_CLR
11:53:31 (ril <-  modem) OK
11:53:31 (ril <-  modem) +ESIPCPI: 0,1,1,7,200,\"\"
	SIP code 200
11:53:31 (ril  -> modem) AT+EFD=3,1
11:53:31 (ril <-  modem) OK
11:53:31 (ril <-  modem) +EVOCD:0
11:53:32 (ril  -> modem) AT+ETHERMAL
11:53:32 (ril <-  modem) +ETHERMAL: 3, 34, 15, 25279, 32767, -28550
11:53:32 (ril <-  modem) OK
11:53:33 (ril <-  modem) +ECSQ: 3,29,1,1,1,-73,-445,4096,-23,20
11:53:36 (ril <-  modem) +ECSQ: 3,29,1,1,1,-74,-448,4096,-24,20
11:53:38 (ril <-  modem) +ECSQ: 4,28,1,1,1,-72,-450,4096,-23,20
11:53:39 (ril <-  modem) +EXLCE: 4800,0
11:53:41 (ril  -> modem) AT+EFD=3,0
11:53:41 (ril <-  modem) OK
11:53:41 (ril <-  modem) +ECSQ: 5,28,1,1,1,-70,-449,4096,-23,20
11:53:42 (ril  -> modem) AT+ETHERMAL
11:53:42 (ril <-  modem) +ETHERMAL: 3, 33, 9, 25279, 32767, -28550
11:53:42 (ril <-  modem) OK
11:53:42 (ril <-  modem) +EXLCE: 4800,7925
11:53:44 (ril <-  modem) +ECSQ: 5,28,1,1,1,-70,-450,4096,-21,20
11:53:47 (ril <-  modem) +ECSQ: 6,28,1,1,1,-68,-450,4096,-18,20