You would opt for this option
if you want maximum control and have reliable hardware to send out messages. It's
better to use third-party gateways otherwise.
Sending Bulk Messages
Broadcasting messages to a wide audience is a common requirement. Luigi might
want to inform all his customers about a special offer for this evening via SMS. We
can do this by looping over our customer list and sending out messages. But that
would involve too many connections to the gateway??”which will be slow.
There are easier methods for this purpose. Clickatell, and many other gateways,
allow sending comma-separated multiple phone numbers in the "to" parameter.
You may start a batch of messages and do a mail merge type operation. With some
gateways, you can send phone numbers via text file or XML.
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Sending Text Messages
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If your requirements are bigger, consider using SMPP (Short Message Peer-to-
Peer Protocol) for connecting to the gateway. SMPP provides reliable and fast
communication with the gateway. There is a bit of learning curve with SMPP-based
integration, but it will pay off for large projects.
For us, we are happy with our current messaging setup.
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