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copied!<p>My answers are based on .<a href="http://www.smsforum.net/SMPP_v3_4_Issue1_2.zip" rel="nofollow" title="SMPP 3.4 spec">SMPP 3.4 spec</a></p> <p>===</p> <p>I am assuming that your setup looks like this:</p> <ol> <li>You are developing SMPP client (a.k.a. ESME).</li> <li>You have connectivity information to a SMPP server (a.k.a. SMSC).</li> </ol> <p><em><strong>Question 1: What details are required to connect to a smpp server.</em></strong></p> <p>At bare minimum, a ESME needs the following to connect to a SMSC (required at TCP level):</p> <ol> <li>IP of SMSC</li> <li>Port of SMSC</li> </ol> <p>Most SMSC will also require (but this is not mandatory):</p> <ol> <li>system_id (serves as username)</li> <li>password</li> </ol> <p>Some SMSC will also require:</p> <ol> <li>system_type (see section 4.1.1 in SMPP 3.4 spec)</li> <li>address_range (see section 4.1.1 in SMPP 3.4 spec)</li> </ol> <p><em><strong>Question 2: should the code files be deployed on Smpp server or can it be deployed to a different server and try to access the smpp server to send the message.(We did try to connect to the smpp server via filezilla but it was unsuccessful)</em></strong></p> <p>SMSC (i.e. SMPP server) and ESME (i.e. SMPP client) are not required to be on the same box; you can do if you want. Only requirement is that they can connect over TCP.</p> <p>I believe FileZilla is a FTP client and it has got nothing to do with SMSC.</p> <p><em><strong>Question 3: is from number manadatory when we are trying to send a message from system to a mobile.</em></strong></p> <p>I am assuming that you are using SUBMIT_SM to send a message (since you are trying to connect via BIND_TRANSMITTER).</p> <p>In the spec, the <strong>from number</strong> is referred as <strong>source_addr</strong> (see section 4.4.1/5.2.8 in SMPP 3.4 spec). Most SMSC will require <strong>source_addr</strong> however it is not mandatory.</p>

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