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Author Topic: Can SMPP 3.3 talk with SMPP 3.4  (Read 1112 times)
Jr. Member
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Posts: 5

« on: November 07, 2005, 06:40:17 UTC »

We have some trouble when trying to connect 2 SMSC using different version ( SMPP 3.3 and SMPP 3.4). We can not bind for sending message. can any one help me to make clear what is most difference between 2 version.
SMPP 3.4 = SMPP 3.3 + more feature Huh?

By the way, I can not find the SMPP 3.3 standard in this forum, is it too old? where can I find it?

Thank for taking time to help me.
SMS Forum Support
SMS Forum Support
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Posts: 1754

« Reply #1 on: November 07, 2005, 08:28:56 UTC »

For V3.3.. see

This forum owns V3.4 onward, hence we dont host the V3.3 version

V3.3 supports only receiver and transmitter sessions.. no transceivers in case this is what is the problem. Other than that, failed binds are usually configuration issues as oposed to protocol variations.

By and large, a V3.3 ESME can bind to a V3.4 SMSC and use most operations as is. The other way around is possible, but the ESME must set the interface_version field in the bind to 0 and refrain from issuing any optional parameters.

See section 1.4.1 of the V5.0 specification.. the v3.4 part details what changed between V3.3 and V3.4
« Last Edit: November 07, 2005, 08:31:15 UTC by [email protected] » Logged

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