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4.8.4.56 source_network_id
The source_network_id assigned to a wireless network operator or ESME operator is a
unique address that may be derived and assigned by the node owner without establishing a
central assignment and management authority. When this TLV is specified, it must be
accompanied with a source_node_id TLV Ref. 4.8.4.58.
Field
Size octets Type
Parameter Tag
2
Integer
Length
2
Integer
Value
7-65
C-Octet
String
Description
0x060D
Length of Value part in octets
For GSM Networks:
1 + MCC+ MNC; (1cccnn) Ref. [1]
For TDMA or CDMA Networks:
2 + MCC+ SID; (2cccsssss) Ref. [12]
For ESME Operators:
3 + MCC + address type ind. + unique address
The following address type indicators are defined:
Type
Value Unique Address
IP Address
1
Unique address
derived from IPv4 or
IPv6 IP address of
resolved domain name
of ESME operator.
For example, an
ESME operator has a
domain name of
smpp.esme.com. A
DNS lookup resolves
smpp.esme.com to
141.204.178.86, the
unique address is
derived as
141205178086.
Note: 1 or 2-digit subdomains are expanded
into 3-digit numbers
with leading zeros.
Alphanumeric
2
Alphanumeric domain
name of ESME
operator (for example
smpp.esme.com)
E.164
3
E164 address
including country code
X.212
4
X.212 address of
ESME operator
Table 4-117 source_network_id TLV
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