Multiple sessions with SMPP

Multiple sessions with SMPP SearchSearch
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asela jaya
New member
Username: Asela115

Post Number: 7
Registered: 02-2010
Posted on Monday, September 06, 2010 - 10:09 am:   

Hi All,

this is a general question and need your assistance to understand the theory behind this

lets say there are two receiver session from same application to a SMPP over different TCP ports.(multiple sessions with same BIND parameters)
a deliver_sm is sent to application and reply is (i.e deliver_sm_resp) is coming to SMPP via the other session

1)is this possible (according to the SMPP specifications)or reply should be come over the same TCP session?

2)if possible how to map the response with request

highly appreciate your response on this

Thanks,
Asela
Des - NowSMS Support
Board Administrator
Username: Desosms

Post Number: 2493
Registered: 08-2008
Posted on Wednesday, September 08, 2010 - 10:03 pm:   

Hi Asela,

The deliver_sm_resp needs to go back over the same TCP connection as which the deliver_sm was received.

The logic of the SMPP client or server needs to handle this.

Basically any "_resp" packet that a server or client sends needs to go back over the same TCP connection as the packet that it is a response to.

--
Des
NowSMS Support