Appendix A – Application Programming Interface (API)
Multi-Tech Systems, Inc. MultiModem® iSMS User Guide for Administrators 90
Error Codes
Error Code Error Description Response to
601 Authentication Failed Send API, Query API
602 Parse Error Send API, Query API
603 Invalid Category Send API
604 SMS message size is greater than 160 chars Send API
605 Recipient Overflow Send API
606 Invalid Recipient Query API
607 No Recipient Send API
608 MultiModem iSMS is busy, can’t accept this request Send API, Query API
609 Timeout waiting for a TCP API request Send API
Error in broadcast trigger
612 System Error – Memory Allocation Failure Send API, Query API
613
In SF 400, if modem index given is not within 0 to 4
In SF 800, if modem index given is not within 0 to 8
614
Invalid device model number
(model number is not detected properly to validate
the modem index)
Send API
615 Invalid Encoding type Send API
616 Invalid Time/Date Input Receive API
617 Invalid Count Input Receive API
618 Service Not Available (Non-Polling Receive API is
enabled so Polling Receive API service is not
available)
Receive API
621 Invalid SMS text
This error code is given if the following is not true:
If enc = 2, SMS text should be in hexadecimal form
(each hexadecimal value length is a maximum of 4
digits and semi-colon is used as a delimiter between
two hexadecimal values).
If enc = 3, SMS text should be in decimal form (each
decimal value length is maximum 5 digits and semi-
colon is used as delimiter between two decimal
values).
Note: Decimal values allowed up to 65535 only.
Send API
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