<div dir="ltr"><span style="font-family:arial,sans-serif;font-size:13px">Hi guys,</span><div style="font-family:arial,sans-serif;font-size:13px"><br></div><div style="font-family:arial,sans-serif;font-size:13px">How to detect failed sending SMS message on SIP SIMPLE? I got response 500 from server, and I like to detect them by programmatically. There are no event fired when error sending.</div>
<div style="font-family:arial,sans-serif;font-size:13px"><br></div><div style="font-family:arial,sans-serif;font-size:13px"><span style="font-family:arial;font-size:small">Sorry guys, </span><span style="font-family:arial;font-size:small">resending the email, because I am afraid is not sent yet.</span><div>
<br></div></div><div style="font-family:arial,sans-serif;font-size:13px">Thanks,</div><div style="font-family:arial,sans-serif;font-size:13px"><br></div><div style="font-family:arial,sans-serif;font-size:13px">Donny</div>
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