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Our technical bulletins describe advanced technical features of the Now SMS & MMS Gateway and clarify advanced configuration options.
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Read MoreMobile Operator MMSC APN & Settings (Updated)
The Now SMS & MMS Gateway can use a GSM/GPRS or 3G/UMTS/WCDMA modem to send and receive MMS messages via an operator MMSC. In this type of configuration, there is no special setup requirement required by the mobile operator. The Now SMS & MMS Gateway sends and receives MMS messages using the same protocol that is used by the MMS client in a mobile phone, so it simply requires that the SIM...
Read MoreWAP Push Work-Around for AT&T USA
Some of our customers have been frustrated by an AT&T policy that blocks the sending of mobile originated WAP Push messages. This prevents WAP Push messages from being sent over a GSM modem. This blocking affects all messages that are sent via WAP Push, not just service indication messages, but also blocking OMA OTA settings and MMS notifications. A NowSMS customer discovered a potential...
Read MoreSMS Hubbing Considerations
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...
Read MoreNowSMS MMSC Diameter MM9 Implementation
Click here for a PDF version of this document. This document outlines how MMS charging is implemented using Diameter and MM9 in the NowSMS MMSC. It also describes a test program that is used to validate proper Diameter configuration parameters and charging behaviour. MM9 Diameter charging is enabled in NowSMS MMSC versions 2013.04.01 and later. The MMSC implements Diameter Credit Control for...
Read MoreIssue Receiving MMS over GSM Modem on Orange UK
We’d like to draw some attention to an issue that was reported (and quickly diagnosed) on our discussion forum last month. A customer reported that they were no longer able to process received MMS messages using a GSM modem on the Orange network in the UK. There are a variety of potential causes, such as a SIM not being enabled for MMS support, or incorrectly provisioned Operator MMS...
Read More2-Way / Inbound SMS Retry Error Handling
This article will explain how NowSMS handles retry situations when processing inbound SMS messages via a 2-way command, and there is a connectivity or other problem processing the 2-way command, particularly with regard to HTTP based 2-way SMS message processing commands. There are other articles that explain how NowSMS handles retry situations for outbound message delivery. A good overview can...
Read MoreUnderstanding 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 MoreProvisioning SMS and MMSC User Accounts via HTTP
NowSMS has long supported external account provisioning via HTTP as described in the article at https://nowsms.com/provisioning-sms-and-mmsc-user-accounts-via-http. The purpose of this article is to document additional parameters supported in more recent versions of NowSMS. This provisioning interface is enabled whenever one or more user accounts is defined in NowSMS under “SMS...
Read MoreSMPP Server Adds @ Characters to Text Message
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...
Read MoreNowSMS NextGen for Linux
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