<div>Good to know because I've dealt with the same issues.</div>
<div> </div>
<div>I just thought I had to add the PS-ALI / PSAP contract to get it fixed. Guess I'll work on that.</div>
<div> </div>
<div>Thanks</div>
<div> </div>
<div>Scott<br><br> </div>
<div><span class="gmail_quote">On 8/30/07, <b class="gmail_sendername">Ted Nugent</b> <<a href="mailto:tednugent69@yahoo.com">tednugent69@yahoo.com</a>> wrote:</span>
<blockquote class="gmail_quote" style="PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid"><br>If the provider is sending the BTN to the PSAP they<br>need to fix that, that's NOT how it's supposed to
<br>work. However you are right 90% of the installs that<br>I've have done have run into this problem but its<br>usually resolved with a call to the provider telling<br>them to honor the calling number sent to them.<br>
<br>And actually it would be a problem with passing<br>location info especially if you were working in a<br>multi-building or multisite environment because your<br>ERLs and ELINS are tied together in the PSAP ALI DB.<br>If the BTN is being sent as opposed to the actual ELIN
<br>then emergency personnel would always be sent to the<br>bill to address even if the ERL is in another building<br>2 blocks over on the second floor. So you absolutely<br>need to get that fixed for CER to work correctly.
<br><br><br>--- Dark Fiber <<a href="mailto:d4rkf1ber@gmail.com">d4rkf1ber@gmail.com</a>> wrote:<br><br>> I am getting a bit confused about something<br>> regarding the use of DIDs in CER.<br>><br>> The documents basically state that you need to get
<br>> some DID's from the<br>> service provider for each ERL you plan to define,<br>> these DID's will be<br>> used as ELINs to both identify the location and for<br>> the PSAP to return<br>> the call if need be.
<br>><br>> So a 911 call is placed, and once things are setup<br>> CER will basically<br>> do or have CM do a translation of the users<br>> extension to one of these<br>> DIDs you specify so that the service provider will
<br>> know what PSAP<br>> that call needs to get routed to and so the PSAP<br>> will have a number to<br>> call back on and such.<br>><br>> All sounds fine and dandy I guess.<br>><br>> However, my experience (which isn't much) has led me
<br>> to think that<br>> usually when dealing with DID ranges from a service<br>> provider that on<br>> 911 calls the service provider does not usually pass<br>> the DID of the<br>> phone to the PSAP but rather the billing number
<br>> which is usually the<br>> first number of the range I thought?<br>><br>> This isn't a problem as far as passing the location,<br>> but it would be a<br>> problem for a return call from the PSAP. CER would
<br>> be looking for a<br>> call coming into one number which would be mapped to<br>> the phone which<br>> called 911, however if the billing number was passed<br>> to the PSAP thats<br>> the number that would be called back.
<br>><br>> Hopefully I am just blanking on something here and<br>> this is not the case.<br>><br>> Can anyone enlighten me on what I am missing here?<br>> Thanks!<br>> _______________________________________________
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