<div>Hello all,</div><div><br></div>I need some help understand the values of the CHANNEL function, e.g.<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">
<span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:13px;background-color:rgb(255,255,255)">txploss // local packets loss<br></span><span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:13px;background-color:rgb(255,255,255)">rxploss // remote packets loss<br>
</span><span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:13px;background-color:rgb(255,255,255)">txjitter // local jitter<br></span><span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:13px;background-color:rgb(255,255,255)">rxjitter // remote jitter</span></blockquote>
<div><br></div><div>My main problem in understand is that a CHANNEL has two nodes (sender and receiver), while a typical setup includes at least 3 nodes: </div><div>SIP phone - Asterisk - SIP Provider ( -> each is a node)</div>
<div><br></div><div>1) So e.g. txploss, is it </div><div>- what is lost between SIP phone and Asterisk</div><div>- what is lost between Asterisk and SIP Provider</div><div>- or probably both? </div><div><br></div><div>I guess the SIP Provider sends back a info about missed packets, then it wouldn't be relevant where they got lost, but just that they were lost somewhere between the SIP phone and the SIP Provider?</div>
<div><br></div><div><br></div><div>2) Also, how can I monitor only the connections SIP phone - Asterisk and Asterisk - SIP Provider each on their own?</div><div><br></div><div><br></div><div>3) txploss are the lost packets in the direction from SIP phone to SIP provider, right? I am aware of tx and rx and what it normally means, but in this case it would also fit the other way round ;-)</div>
<div><br></div><div><br></div><div>4) I always have txjitter but never rxjitter, does this make sense? Shouldn't txjitter be less of a problem? Also, how exactly is the txjitter / jitter in general defined in Asterisk?</div>
<div><br></div><div><br></div><div>Thanks very much and best regards</div><div>Stefan</div><div> </div>