SMPP errors

SMPP Error Code Reference

Posted by on Sep 28, 2009 in Support Blog

Information on how NowSMS handles different SMPP errors can be found at the following link: https://nowsms.com/smpp-error-code-handling-in-nowsms This article is a reference for SMPP error codes. ESME_RINVMSGLEN 1 Invalid Message Length (sm_length parameter) ESME_RINVCMDLEN 2 Invalid Command Length (command_length in SMPP PDU) ESME_RINVCMDID 3 Invalid Command ID...

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SMPP Connection Types – Sender, Receiver, Transceiver

Posted by on Jul 28, 2008 in Support Blog

When making a connection to an SMPP server, there are three different types of connections that can be supported. A “sender”, or “send only”, connection is allowed to transmit messages only over the connection, it cannot receive any messages. (Some SMPP servers will still deliver SMPP delivery receipt messages over a “sender” connection.) A...

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SMSC Speed Limits

Posted by on Jun 26, 2008 in Support Blog

In a perfect world, we’d all be able to send SMS messages as fast as we wanted. But the reality is that there is a combination of commercial and technical limitations throughout the message distribution chain. NowSMS has commercial limitations where outbound message delivery is throttled at a per minute or per second license limit. Individual SMS service providers have similar limits that...

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SMPP Error Code Handling in NowSMS

Posted by on Jun 14, 2007 in Support Blog | 9 comments

The default SMPP error code handling behaviour for NowSMS with an SMPP connection is as follows: For most SMPP error codes, NowSMS will assume that the error is temporary, and retry message delivery with a delayed retry schedule. The exceptions to this are detailed below: The following error conditions cause NowSMS to record a message delivery failure and NOT retry sending: ESME_RINVDSTADDR...

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