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<p>Hi !</p>
<p>First about terminology:
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<strong style="box-sizing: border-box; font-weight: bold;
line-height: inherit; color: rgb(46, 47, 48); font-family:
"Helvetica Neue", Helvetica, Roboto, Arial,
sans-serif; font-size: 14px; font-style: normal;
font-variant-ligatures: normal; font-variant-caps: normal;
letter-spacing: normal; orphans: 2; text-align: start;
text-indent: 0px; text-transform: none; white-space: normal;
widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px;
background-color: rgb(255, 255, 255);">Call Pickup</strong><span
style="color: rgb(46, 47, 48); font-family: "Helvetica
Neue", Helvetica, Roboto, Arial, sans-serif; font-size:
14px; font-style: normal; font-variant-ligatures: normal;
font-variant-caps: normal; font-weight: normal; letter-spacing:
normal; orphans: 2; text-align: start; text-indent: 0px;
text-transform: none; white-space: normal; widows: 2;
word-spacing: 0px; -webkit-text-stroke-width: 0px;
background-color: rgb(255, 255, 255); display: inline
!important; float: none;"><span class="Apple-converted-space"> </span>the
ability to pull a ringing call to the phone you are currently
on.</span></p>
<p><span style="color: rgb(46, 47, 48); font-family: "Helvetica
Neue", Helvetica, Roboto, Arial, sans-serif; font-size:
14px; font-style: normal; font-variant-ligatures: normal;
font-variant-caps: normal; font-weight: normal; letter-spacing:
normal; orphans: 2; text-align: start; text-indent: 0px;
text-transform: none; white-space: normal; widows: 2;
word-spacing: 0px; -webkit-text-stroke-width: 0px;
background-color: rgb(255, 255, 255); display: inline
!important; float: none;"></span>Call Pickup = Call Intercept =
Call group pickup.</p>
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</p>
<p>We're using FreeSWITCH version: 1.6.8~64bit in our complex
telephony system with Kamailio and other SIP services.</p>
<p>The problem with call pickup (intercept) when using a Queue
(mod_callcenter).</p>
<p>The group pickup scheme we are using described here:
<a class="moz-txt-link-freetext" href="http://www.tech-invite.com/fo-sip/tinv-fo-sip-service-16.html">http://www.tech-invite.com/fo-sip/tinv-fo-sip-service-16.html</a>.</p>
<p>We do SUBSCRIBE (3 see link) to some our service - that return
information about the call (call legs) in NOTIFY with XML body
(5).</p>
<p>Then we do an INVITE with REPLACES (7) that actually do the
Intercept.</p>
<p>This works on normal calls, but doesn't work with Queues. <br>
</p>
<p>In the queue a few agents simultaneously calling, and when INVITE
w Replace headers comes it didn't intercept the call.</p>
<p>The question is: how to implement Call Group Pickup (Call
Intercept) with mod_callcenter ?</p>
<p>If it necessary i can add call sip traces for more details.<br>
</p>
<p>Thanks in advance for any help.<br>
</p>
<p><br>
</p>
<p>Regards Ewgeny.<br>
</p>
<p><br>
</p>
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