SMPP TLV Parameters

SMPP Character Set Issues

This article provides troubleshooting advice when sending SMS messages with NowSMS and experiencing one or more of the following issues: a.) Some characters such as @, $, £ or € are not correct. b.) Some or all messages are truncated or garbage (possibly only messages over a certain length). c.) Some accented characters are not correct (è, é, etc.) d.) Some or all Greek characters are not...

Read More

SMPP TLV Optional Parameters

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...

Read More

Understanding SMS Accounting Callbacks for Billing and Charging

Accounting callbacks provide an interface between the NowSMS SMS Gateway and external billing and charging systems.  They can also be used to control message routing, providing a way for a  user application to control which SMSC connections are used for sending particular messages. These accounting callbacks are HTTP-based. When accounting callbacks are enabled, NowSMS will issue HTTP requests...

Read More

SMPP TLV Parameters for Advanced Message Routing

There has been some interesting recent discussion about the use of optional SMPP TLV parameters to help facilitate message routing between SMS hubs. Some of this discussion can be found at the following message thread on the NowSMS discussion forum: https://nowsms.com/discus/messages/1/70053.html This article attempts to summarise this information. Those interested in further information are...

Read More

Premium Rate SMS (OPPC) with Verisign and NowSMS

Here at NowSMS, we make it a point not to endorse any particular SMS service provider. We like our customers to have flexibility to choose and change SMS service providers that best fit their needs. That said, some SMS service providers have unique configuration attributes, and you need to apply special configuration parameters in NowSMS in order to take advantage of features and flexibility...

Read More

mBlox and NowSMS: Premium Rate SMS and OPPC

Here at NowSMS, we make it a point not to endorse any particular SMS service provider. The fact of that matter is that bulk SMS services are a volatile business, and we like our customers to have flexibility to choose and change SMS service providers that best fit their needs. That said, some SMS service providers have unique configuration attributes, and you need to apply special configuration...

Read More

USSD and NowSMS

From time to time we get asked questions about USSD support in NowSMS. The quick answer is that, yes, NowSMS can support USSD … assuming that you can connect to the USSD gateway using SMPP. SMPP extensions have been defined specifically for the support of USSD, so that you don’t have to use yet another protocol. However, before you get too excited … let me explain how USSD works...

Read More