Issues connecting to a new type of SMSC

Hi Guys,

Please bear with me as I am most certainly not technically capable of
solving this problem myself, or even understanding it for that matter.

One of the networks that we connect to has changed to a different type
of SMSC. The full name of the product is: SchlumbergerSema MGA Gateway
v2.2
- With VMS GSM SMSC G9.0 & Higher

I am consistently experiencing error messages in my logs. I have
discussed it with the network in question. I have included the errors
and their response; can anybody assist in solving this problem?


2003-08-18 18:15:51 [35] ERROR: SMPP[VODACOM_MGA2_1902114]: SMSC
rejected login to transmit, code 0x0000000d. 2003-08-18 18:15:51 [35]
ERROR: SMPP[VODACOM_MGA2_1902114]: I/O error or other error.
Re-connecting.

ANSWER From experience most SP's do not supply the "interface_version"
in "Bind_transceiver" PDU. Please look into the Protocol Spec down
loadable on the www.smsforum.org and the this field as its mandatory.

code 0x0000000d from the Protocol spec is "Bind_failed"


2003-08-18 18:15:51 [35] WARNING: SMPP: PDU NUL terminated string has no
NUL.

ANSWER SMPP PDU and type definations: 
The following SMPP PDU data type defininations are used to define the
SMPP parameters:

Integer        An unsigned value with the defined number of octets.
C-Octet String: A series of ASCII characters terminated with NULL
character. C-Octet String (HEX): A series of ASCII characters each
character representing a hexadecimal digit (0-F) and terminated with the
NULL character.

Please check on how you terminating your PDU's.

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Thanks,
Jarrod