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Number of channels

I am using kannel. I have a problem when sending a message longer than 160 char. Kannel splits it into 2 or more messages. Only the first has the registered delivery flag. This means that kannel only requests the DLR in the first part.

Can I be sure that all parts are delivered? Can I set a registered delivery flag for all parts of a message?

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It's not entirely clear from the question, but (as of Kannel 1.5.0):



  • If you have a problem splitting long messages into separate SMS messages, you must set the concatenation parameter to true in the sendms configuration. This way Kannel will build the correct multipage post,

  • Re: second part about DLR - no, unfortunately it seems like Kannel is intentionally setting the registered_delivery flag for the first part / message. In theory this should take DLR into account for all parts, however in practice such problems are very rare (depending on your SMSCs.) I suppose the authors of Kannel decided that the performance gain was significant enough to do this.

    / li>
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Most smsc domains only provide a delivery flag if the full portion of the message is delivered in manual dialing



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Any mobile service provider only allows 160 to be sent one time, so its spitting in two. Are you using sqlbox to send messages? This can sometimes help. I'm not sure about that yet.

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What are you looking for is this directive for smsc group

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See here http://kannel.org/download/1.5.0/userguide-1.5.0/userguide.html#AEN1198

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