SMPP Server

SMPP TLV Optional Parameters

Posted by on Sep 5, 2013 in Support Blog

The SMPP protocol defines support for optional parameters, known as TLV parameters. Some TLV parameters are defined in the core specification, and NowSMS may use them depending on configuration settings. These TLV parameters include message_payload, source_port, dest_port, sar_msg_ref_num, sar_total_segments, sar_segment_seqnum, payload_type, message_state and receipted_message_id. (There are...

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SMS Hubbing Considerations

Posted by on Apr 6, 2013 in Support Blog

NowSMS is frequently used to provide SMS message routing connectivity between multiple SMSCs using the SMPP protocol. The purpose of this document is to clarify issues that are frequently encountered in SMS hubbing configurations. In SMS hubbing configurations, NowSMS is connected to one or more service providers using the SMPP protocol. Service providers route selected SMS messages to NowSMS...

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SMPP Server Adds @ Characters to Text Message

Posted by on Feb 16, 2012 in Software Updates, Support Blog

It has come to our attention that a bug exists in the NowSMS SMPP Server implementation for versions dated between 2011.07.xx and 2012.01.xx inclusive. This bug only effects configurations where NowSMS is being used as an SMPP server.  In other words, an SMPP client is being used to submit messages to NowSMS, and messages are being segmented by the SMPP client before they are submitted to...

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SMPP Asynchronous Mode

Posted by on Nov 9, 2010 in Support Blog

One of the biggest limitations to SMPP performance is protocol implementations that do not support SMPP asynchronous mode, or to state it more correctly, do not take advantage of the speed boost that is possible with SMPP asynchrnous mode. SMPP Synchronous Mode = One Message at a Time In SMPP Synchrnous mode, each side of the SMPP client has only one outstanding transaction active at a time. ...

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Using NowSMS as an SMPP Server for Another Application

Posted by on Oct 2, 2009 in Support Blog

One of the more unusual features of NowSMS is its ability to operate as an SMPP server. NowSMS can relay messages submitted to its SMPP server to any outbound SMSC connection, which could be one or more GSM modems and/or SMPP, UCP/EMI, CIMD2 or HTTP SMSC connections. There are a few different reasons why this feature would be used. The simplest scenario is when an end user wants to use a...

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