<div dir="ltr">Serge,<div> The option is not really a secret, it was just not working as expected due to out setup. In Cisco documentation it is refferred to as " <a href="http://www.cisco.com/c/en/us/td/docs/ios-xml/ios/voice/sip/configuration/15-mt/sip-config-15-mt-book/voi-sip-timer.html#GUID-3194F5C1-7995-4C1C-AD51-D14793AF0C30">Buffered Calling Name Completion</a>" feature [1].</div><div><br></div><div>Typically, you would set the following in cisco configuration:</div><div><br></div><div><font face="monospace, monospace" color="#0000ff">sip-ua</font></div><div><font face="monospace, monospace" color="#0000ff"> <b>timers buffer-invite 5000 </b></font></div><div><br></div><div><br></div><div>[1] <a href="http://www.cisco.com/c/en/us/td/docs/ios-xml/ios/voice/sip/configuration/15-mt/sip-config-15-mt-book/voi-sip-timer.html">http://www.cisco.com/c/en/us/td/docs/ios-xml/ios/voice/sip/configuration/15-mt/sip-config-15-mt-book/voi-sip-timer.html</a> </div><div><br></div><div><br></div><div>Regards,</div><div>-- </div><div>Zahid</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Mon, Jan 11, 2016 at 6:03 AM, Serge S. Yuriev <span dir="ltr"><<a href="mailto:me@nevian.org" target="_blank">me@nevian.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Zahid,<br>
<br>
Would you mind to share us *secret* option for cisco please?<span class="im HOEnZb"><br>
<br>
On 06/01/16 18:56, Zahid Mehmood wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Hi,<br>
INFO is generated in early stage.<br>
<br>
The information I provided in my original post was not entirely<br>
accurate. My setup was as follows:<br>
<br>
Carrier PRI ----- Siemens PBX (4000) ---(tried qsiq and primary-ni)<br>
--- Cisco 3845 ---- PROXY<br>
<br>
After more debugging we found out that Siemens was not passing the<br>
correct information in the ISDN setup messages. Specifically, it was<br>
missing the following:<br>
<br>
"Operation = InformationFollowing (calling_name)<br>
<br>
Name information in subsequent FACILITY message”<br>
<br>
<br>
We then connected the carrier PRI directly into the media gateway and<br>
that resolved the issue. Cisco gateway was already configured to act<br>
similar to how Jeff described the Adtran configuration. We started<br>
seeing the correct calling name as soon as the PRI was connected directly.<br>
</blockquote>
<br></span><span class="HOEnZb"><font color="#888888">
-- <br>
Serge S. Yuriev<br>
Lead VoIP engineer</font></span><div class="HOEnZb"><div class="h5"><br>
<br>
<br>
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