The Romanian operators Orange, Vodafone and Telekom changed the Operator Name to include #stamacasa (#we stay at home) due to CONVID-19 pandemic
2G/3G: MSC --> BSC/RNC -- UE
4G: MSC --> SGs -- MME -- S1c -- eNodeB -- UE
EMM Info message to the UE
Screenshot Cellular Pro:
iPhone, some Samsung phones, some Xiaomis and Huawei display this info in the status bar.
ORO 4G:
LTE NAS EMM plain OTA incoming msg
Version : 1
NAS Version Release : 9
NAS Version Major : 5
NAS Version Minor : 0
Direction : Network to UE
Security header or skip ind : 0
Protocol Discriminator : 7
Message ID : 97 (0x61)
EMM Information
Full Name For Network
IEI : 67 (0x43)
Length : 16
Ext : 1
Coding Scheme : Cell broadcast data coding scheme GSM default alaphabet language unspecified
Add CI : The MS should not add the letter for the countrys Initials to the text string
Spare Bits In Last Octet : bit 8 is spare and set to 0 in octet n
Field[0] : O
Field[1] : r
Field[2] : a
Field[3] : n
Field[4] : g
Field[5] : e
Field[6] :
Field[7] : #
Field[8] : s
Field[9] : t
Field[10] : a
Field[11] : m
Field[12] : a
Field[13] : c
Field[14] : a
Field[15] : s
Field[16] : a
Short Name For Network
IEI : 69 (0x45)
Length : 16
Ext : 1
Coding Scheme : Cell broadcast data coding scheme GSM default alaphabet language unspecified
Add CI : The MS should not add the letter for the countrys Initials to the text string
Spare Bits In Last Octet : bit 8 is spare and set to 0 in octet n
Field[0] : O
Field[1] : r
Field[2] : a
Field[3] : n
Field[4] : g
Field[5] : e
Field[6] :
Field[7] : #
Field[8] : s
Field[9] : t
Field[10] : a
Field[11] : m
Field[12] : a
Field[13] : c
Field[14] : a
Field[15] : s
Field[16] : a
Local Time Zone
IEI : 70 (0x46)
Time Zone : 33
Universal Time And Local Time Zone
IEI : 71 (0x47)
Year : 20
Month : 4
Day : 5
Hour : 6
Minute : 42
Second : 10
Time Zone : 12
Network Daylight Saving Time
IEI : 73 (0x49)
Length : 1
LSA Id : No adjustment for Daylight Saving Time
ORO 3G
WCDMA UE_OTA Signaling Message
Direction : 0
Length : 51
Direction : Network to UE
Skip indicator : 0
Protocol Discriminator : 8
Message ID : 33 (0x21)
GMM Information
Full Name For Network
IEI : 67 (0x43)
Length : 16
Ext : 1
Coding Scheme : Cell broadcast data coding scheme GSM default alaphabet language unspecified
Add CI : The MS should not add the letter for the countrys Initials to the text string
Spare Bits In Last Octet : bit 8 is spare and set to 0 in octet n
Field[0] : O
Field[1] : r
Field[2] : a
Field[3] : n
Field[4] : g
Field[5] : e
Field[6] :
Field[7] : #
Field[8] : s
Field[9] : t
Field[10] : a
Field[11] : m
Field[12] : a
Field[13] : c
Field[14] : a
Field[15] : s
Field[16] : a
Short Name For Network
IEI : 69 (0x45)
Length : 16
Ext : 1
Coding Scheme : Cell broadcast data coding scheme GSM default alaphabet language unspecified
Add CI : The MS should not add the letter for the countrys Initials to the text string
Spare Bits In Last Octet : bit 8 is spare and set to 0 in octet n
Field[0] : O
Field[1] : r
Field[2] : a
Field[3] : n
Field[4] : g
Field[5] : e
Field[6] :
Field[7] : #
Field[8] : s
Field[9] : t
Field[10] : a
Field[11] : m
Field[12] : a
Field[13] : c
Field[14] : a
Field[15] : s
Field[16] : a
Local Time Zone
IEI : 70 (0x46)
Time Zone : 33
Universal Time And Local Time Zone
IEI : 71 (0x47)
Year : 20
Month : 4
Day : 5
Hour : 6
Minute : 51
Second : 1
Time Zone : 12
Network Daylight Saving Time
IEI : 73 (0x49)
Length : 1
LSA Id : No adjustment for Daylight Saving Time
VDF 3G
WCDMA UE_OTA Signaling Message
Direction : 0
Length : 47
Direction : Network to UE
Transaction identifier : 0
Protocol Discriminator : 5
Message ID : 50 (0x32)
MM Information
Full Name For Network
IEI : 67 (0x43)
Length : 14
Ext : 1
Coding Scheme : Cell broadcast data coding scheme GSM default alaphabet language unspecified
Add CI : The MS should not add the letter for the countrys Initials to the text string
Spare Bits In Last Octet : bits 3 to 8(inclusive) are set to 0 in octet n
Field[0] : V
Field[1] : D
Field[2] : F
Field[3] :
Field[4] : #
Field[5] : S
Field[6] : t
Field[7] : a
Field[8] : m
Field[9] : A
Field[10] : c
Field[11] : a
Field[12] : s
Field[13] : a
Short Name For Network
IEI : 69 (0x45)
Length : 14
Ext : 1
Coding Scheme : Cell broadcast data coding scheme GSM default alaphabet language unspecified
Add CI : The MS should not add the letter for the countrys Initials to the text string
Spare Bits In Last Octet : bits 3 to 8(inclusive) are set to 0 in octet n
Field[0] : V
Field[1] : D
Field[2] : F
Field[3] :
Field[4] : #
Field[5] : S
Field[6] : t
Field[7] : a
Field[8] : m
Field[9] : A
Field[10] : c
Field[11] : a
Field[12] : s
Field[13] : a
Local Time Zone
IEI : 70 (0x46)
Time Zone : 33
Universal Time And Local Time Zone
IEI : 71 (0x47)
Year : 20
Month : 4
Day : 5
Hour : 6
Minute : 53
Second : 20
Time Zone : 12
Network Daylight Saving Time
IEI : 73 (0x49)
Length : 1
LSA Id : No adjustment for Daylight Saving Time
***************************************************************
SGs:
SGs-AP (64 bytes)
MM_INFORMATION_REQUEST(0x1a)
IMSI
xxxxxxxxxxx
MM_INFORMATION
NETWORK_NAME
Coding Scheme: Cell Broadcast Data
Add CI: No
Num Spare Bits: BITS 7 to 8
0x098097mygfytryuituy
O y . . . . F s z . . . . . a .
NETWORK_NAME
Coding Scheme: Cell Broadcast Data
Add CI: No
Num Spare Bits: BITS 7 to 8
0x97979887678687687686
NAS:
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