Below we have some SS7 messages, click on the msg type to be taken to a page that explains the various message types.
ISUP SND >> LNK : 0 LST : 0 DPC (NCM): 1-139-30 OPC (NCM): 1-139-40 SLS: 3 SIO SI : 5 ISUP
MSG TYPE:1 CIC:6 MSG : 00 20 11 0a 03 06 0d 03 90 90 a2 07 03 10 14 29 30 00 00 0a 07 03 10 14 29 68 99 99 ea 01 00 c4 03 14 29 68 c0 08 c0 03 10 14 29 68 02 11 00
MSG TYPE:1 =Initial Address Message
Generic Address Parameter=4192862011
Calling party Number=4192869999
Called Party Number=4192030000, this is the LRN
Originating line info=No special treatment
Jurisdictional Information Parameter=419286
Forward Call Indicator Bit M:Transalated Number Indicator=1
The receiving end will see the GAP field populated in the incoming IAM, determine it can route the call and send back an ACM.
ISUP RCV << LNK : 1 LST : 1 DPC (NCM): 1-139-40 OPC (NCM): 1-139-30 SLS: df SIO SI : 5 ISUP MSG TYPE:6 CIC:6 MSG : 00 24 00
Message Type:6= Address Complete Message
*************************************************************************************************
Below is an MTP query sent to the SCP and the response.
MTP SND >> LNK : 0 LST : 0 DPC (NCM): 1-139-255 OPC (NCM): 1-139-40 SLS: 3
SIO S •I : 3 H1H0:9=MSG TYPE
MSG :80 03 0b 10 08 89 00 0b 14 29 68 02 11 05 c3 f8
28 8b 01 2f e2 2d c7 04 5c 46 50 3e e8 25 e9 23 cf 01 01 d1 02 64 03 30 1a bf 35 07 81 05
14 29 68 99 99 8d 01 01 8f 07 03 10 14 29 68 02 11 9f 34 01 25
CALLED PARTY=4192862011
CALLING PARTY =4192869999
TRANSLATION SUBSYSTEM NUMBER=248=LNP
MTP
RCV << LNK : 0 LST : 0 DPC (NCM): 1-139-40 OPC (NCM): 239-2-0 SLS: 6c SIO SI
: 3 H1H0:9 MSG :00 03 05 07 02 c1 f8 02 c1 f8 1f e4 1d c7 04 5c 46 50 3e e8 15 e9 13 cf 02
68 01 d1 02 65 01 30 09 8f 07 03 10 14 29 30 00 00
LOCATION ROUTING NUMBER=4192030000
c1=11000001
1 =Subsystem indicator
0 =Point Code indicator
0000 =Global Title indicator
1=Routing
indicator (1= route by DPC& Subsystem)
**************************************************************************************************
Below are some basic SS7 circuit tests that can be performed to insure reliability prior to passing live live traffic across individual ds0's. Each message contains the originating point code and destination point code along with the tcic to be tested and the message type.
ISUP SND >> LNK : 1 LST : 1 DPC (NCM): 5-33-212 OPC (NCM): 5-2-239 SLS: 1a SIO SI
: 5 ISUP MSG TYPE:2a CIC:72 MSG : 01 01 00. Here we have generated a circuit query on tcic-72 to dpc-5-33-212
ISUP RCV << LNK : 0 LST : 0 DPC (NCM): 5-2-239 OPC (NCM): 5-33-212 SLS: 6f SIO SI : 5 ISUP MSG TYPE:2b CIC:72
MSG : 02 03 01 00 01 0c. We get a circuit query response back from 5-33-212.
ISUP SND >> LNK : 0 LST : 0 DPC (NCM): 5-33-212 OPC (NCM): 5-2-239 SLS: 4 SIO SI : 5 ISUP MSG TYPE:11 CIC:72
MSG : Here we generate a continuity check request on same tcic and same dpc
ISUP RCV << LNK : 1 LST : 1 DPC (NCM): 5-2-239 OPC (NCM): 5-33-212 SLS: 77 SIO SI : 5 ISUP MSG TYPE:24 CIC:72
MSG : The far-end dpc sends back a loopback for us to begin the test
ISUP SND >> LNK : 0 LST : 0 DPC (NCM): 5-33-212 OPC (NCM): 5-2-239 SLS: 4 SIO SI : 5 ISUP MSG TYPE:5 CIC:72
MSG : 00. So we then send the actual continuity test
ISUP SND >> LNK : 0 LST : 0 DPC (NCM): 5-33-212 OPC (NCM): 5-2-239 SLS: b SIO SI : 5 ISUP MSG TYPE:ec CIC:72
MSG : Here we send out a circuit validation test
ISUP RCV << LNK : 1 LST : 1 DPC (NCM): 5-2-239 OPC (NCM): 5-33-212 SLS: 77 SIO SI : 5 ISUP MSG TYPE:eb CIC:72
MSG : 00 4e 01 e8 1a 30 30 37 32 43 4c 4d 42 4b 53 58 41 44 53 31 4d 47 31 00 00 00 00 00 00 00 00 00. Here is the circuit validation response we receive.
ISUP SND >> LNK : 0 LST : 0 DPC (NCM): 1-139-30 OPC (NCM): 1-139-40 SLS: 3 SIO SI : 5 ISUP
MSG TYPE:1 CIC:6 MSG : 00 20 11 0a 03 06 0d 03 90 90 a2 07 03 10 14 29 30 00 00 0a 07 03 10 14 29 68 99 99 ea 01 00 c4 03 14 29 68 c0 08 c0 03 10 14 29 68 02 11 00
MSG TYPE:1 =Initial Address Message
Generic Address Parameter=4192862011
Calling party Number=4192869999
Called Party Number=4192030000, this is the LRN
Originating line info=No special treatment
Jurisdictional Information Parameter=419286
Forward Call Indicator Bit M:Transalated Number Indicator=1
The receiving end will see the GAP field populated in the incoming IAM, determine it can route the call and send back an ACM.
ISUP RCV << LNK : 1 LST : 1 DPC (NCM): 1-139-40 OPC (NCM): 1-139-30 SLS: df SIO SI : 5 ISUP MSG TYPE:6 CIC:6 MSG : 00 24 00
Message Type:6= Address Complete Message
*************************************************************************************************
Below is an MTP query sent to the SCP and the response.
MTP SND >> LNK : 0 LST : 0 DPC (NCM): 1-139-255 OPC (NCM): 1-139-40 SLS: 3
SIO S •I : 3 H1H0:9=MSG TYPE
MSG :80 03 0b 10 08 89 00 0b 14 29 68 02 11 05 c3 f8
28 8b 01 2f e2 2d c7 04 5c 46 50 3e e8 25 e9 23 cf 01 01 d1 02 64 03 30 1a bf 35 07 81 05
14 29 68 99 99 8d 01 01 8f 07 03 10 14 29 68 02 11 9f 34 01 25
CALLED PARTY=4192862011
CALLING PARTY =4192869999
TRANSLATION SUBSYSTEM NUMBER=248=LNP
MTP
RCV << LNK : 0 LST : 0 DPC (NCM): 1-139-40 OPC (NCM): 239-2-0 SLS: 6c SIO SI
: 3 H1H0:9 MSG :00 03 05 07 02 c1 f8 02 c1 f8 1f e4 1d c7 04 5c 46 50 3e e8 15 e9 13 cf 02
68 01 d1 02 65 01 30 09 8f 07 03 10 14 29 30 00 00
LOCATION ROUTING NUMBER=4192030000
c1=11000001
1 =Subsystem indicator
0 =Point Code indicator
0000 =Global Title indicator
1=Routing
indicator (1= route by DPC& Subsystem)
**************************************************************************************************
Below are some basic SS7 circuit tests that can be performed to insure reliability prior to passing live live traffic across individual ds0's. Each message contains the originating point code and destination point code along with the tcic to be tested and the message type.
ISUP SND >> LNK : 1 LST : 1 DPC (NCM): 5-33-212 OPC (NCM): 5-2-239 SLS: 1a SIO SI
: 5 ISUP MSG TYPE:2a CIC:72 MSG : 01 01 00. Here we have generated a circuit query on tcic-72 to dpc-5-33-212
ISUP RCV << LNK : 0 LST : 0 DPC (NCM): 5-2-239 OPC (NCM): 5-33-212 SLS: 6f SIO SI : 5 ISUP MSG TYPE:2b CIC:72
MSG : 02 03 01 00 01 0c. We get a circuit query response back from 5-33-212.
ISUP SND >> LNK : 0 LST : 0 DPC (NCM): 5-33-212 OPC (NCM): 5-2-239 SLS: 4 SIO SI : 5 ISUP MSG TYPE:11 CIC:72
MSG : Here we generate a continuity check request on same tcic and same dpc
ISUP RCV << LNK : 1 LST : 1 DPC (NCM): 5-2-239 OPC (NCM): 5-33-212 SLS: 77 SIO SI : 5 ISUP MSG TYPE:24 CIC:72
MSG : The far-end dpc sends back a loopback for us to begin the test
ISUP SND >> LNK : 0 LST : 0 DPC (NCM): 5-33-212 OPC (NCM): 5-2-239 SLS: 4 SIO SI : 5 ISUP MSG TYPE:5 CIC:72
MSG : 00. So we then send the actual continuity test
ISUP SND >> LNK : 0 LST : 0 DPC (NCM): 5-33-212 OPC (NCM): 5-2-239 SLS: b SIO SI : 5 ISUP MSG TYPE:ec CIC:72
MSG : Here we send out a circuit validation test
ISUP RCV << LNK : 1 LST : 1 DPC (NCM): 5-2-239 OPC (NCM): 5-33-212 SLS: 77 SIO SI : 5 ISUP MSG TYPE:eb CIC:72
MSG : 00 4e 01 e8 1a 30 30 37 32 43 4c 4d 42 4b 53 58 41 44 53 31 4d 47 31 00 00 00 00 00 00 00 00 00. Here is the circuit validation response we receive.