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Now let’s take a look at Intercom with SIP and Skinny phones.
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15.4. We’re told to provision a method whereby
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Intercom works for the following phones in this described fashion,
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Desmond at Skinny phone 1, should have an intercom line with DN A3001.
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Remember A, B, C and D are also dual tone multi frequencies
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as button 4 that when pressed,
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begins a one-way auto answer intercom session
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with John Locke’s intercom with Skinny phone 2.
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John at Skinny phone2 should have an Intercom line with DN A3002
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as button4 that when press,
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begins a one-way auto answer intercom session with Desmond Hume’s intercom line.
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Notice those are one-way auto answer intercom.
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James at SIP phone3
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should have an intercom line with DN 3033 as button3
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that when pressed should just give dial tone.
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However, so in other words, it’s an automatic speed dial like the other two were
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and they don’t have to be speed dial.
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It’s just the way we’re configuring them
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primarily because they are dialling a
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non-keypad dialable DTMF tone alpha.
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But we could make those non-alpha characters,
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we could just make them all numeric.
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So, James at SIP phone3 has an intercom DN 3033
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button 3 should just give dial tone when pressed.
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However, anyone should be able to call DN 3033
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and it should be auto answered on his phone but with no one-way speech.
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Hugo at SIP phone 4 should have an Intercom line with 3034 as button 3
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that when pressed should just give dial tone
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and again anyone should be able to call it.
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It should be auto-answered but no one-way speech.
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So, again, a limitation of SIP phones
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in CME in 701.
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SIP phones can have an auto answer line but that’s it.
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It does not automatically mute the line.
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So, it’s really just auto answer,
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really shouldn’t it be called Intercom per se.
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All it is, is simply auto answer.
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In fact, this is what we had to do for Intercom
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back when we were working with call manager version 3.3440.
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So, we really don’t have a true intercom feature for SIP phones.
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It’s just auto answer.
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There’s no one-way speech.
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With Skinny phones
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in CME 701, we have
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It’s pretty much the same thing.
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It’s just auto answer on a phone line
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and it has to be a separate phone line.
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It can’t automatically Intercom into max the stream
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into an existing call for a one-way whisper intercom.
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That feature actually does come but it’s in CME 7.1
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which is not on the lab so we don’t have whisper intercom in 701.
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We do have auto answer.
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The nice feature about is that the phone
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and button that is auto-answered also has the mute button that’s automatically selected
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if it’s labelled as an Intercom line.
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not labelled but noted, configured as an Intercom line.
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So, let’s go back to our,
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I can find the terminal session here, here we go.
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Let’s go back and we’re going to begin by setting up a voice.
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Well, actually, let’s set up our Skinny phones first.
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Let’s set up our e-phone DN.
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Let’s make it 7.
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This should be just a single line not a dual line or octo.
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It's just an Intercom.
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number A3001, the label.
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Let’s call it Intercom to Locke even though it’s going on Desmond’s phone.
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The label is what you’re gonna see on the phone
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and of course it’s a speed dial if we press the button.
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Well it’s not yet, but it’s about to be.
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So, here, with the word Intercom is how we can turn it into an Intercom line.
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Now, we could either just hit enter
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which means that as we went off hook on these Intercom's specific line,
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it would give us a dial tone and we could dial any other number.
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But we can already, so could dial any other Intercom number.
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Well, we can actually pick up any line which is very different than CUCM.
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But CME, we can actually pick up any line
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and dial any intercom number if they dial a number.
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Here we've got an alpha character so
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one of the DTMF digits that’s in the non-keypad
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DTMF so we cannot dial this number.
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If we had just made it 3031,
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then it would certainly be able to be dialled by any phone, SIP or Skinny,
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any line, it doesn’t have to be dialled from an Intercom line.
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Here, we’re gonna say intercom A3002
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and this is derepresenting the auto call extension to calls.
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It’s essentially speed dial from my intercom line.
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And we’ll call the name,
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the name that’s gonna be displayed, we’ll call it as
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Desmond’s Intercom.
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So, now, let us set up e-phone DN8
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with number A3002.
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The name will be
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Locke’s Intercom
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and the intercom will actually be in the Intercom line but we wanted to speed dial
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A3001 and we’ll make the label
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intercom over to Desmond since it’s a speed dial over to Desmond’s 3001.
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So, now we’ll go over to our e-phones.
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e-Phone 1 and provisioned Button 4 to :7.
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We certainly don’t want to do anything else.
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It’s gonna be auto answered anyway so it doesn’t really matter
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whether there was speech or silent ring or anything.
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It’s not gonna ring.
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It’s just gonna auto answer
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and it’s going to auto answered with mute because of this Intercom key work.
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Whether we had put a number behind it or whether had just hit enter.
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It’s this that’s going to allow it to auto answer with
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Now there is the ability to do something else called auto line
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and that can specify whether this is the line that’s chosen for
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incoming or, actually I’m on an e-Phone right now. Sorry.
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We go back to the e-phone DN of 7.
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There’s no auto answer here.
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We’ll talk about auto line on a second, I don’t want to confuse it.
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There’s no auto answer here.
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If we want intercom or auto answer, it’s the intercom feature.
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So, we’re back to e-phone1.
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I think we already set that up this button4:7.
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Let’s go ahead and restart that while we’re here.
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ePhone 2 button 4:8,
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the other DN that we set up for intercom
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and we’ll restart that.
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Before we restart, let’s look at the auto line configuration.
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Before we restart, let’s look at the auto line configuration.
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Auto line is not auto answer
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but auto line selects the automatically chosen line
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for going off hook for outgoing calls
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and optionally for incoming calls if applicable.
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So, in other words, if I say auto line 3
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and currently line 3 on my ePhone 2
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which is the ePhone on Under Configuration Mode is the shared 3010.
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If I said auto line 3 and restarted the device,
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every time I just press speaker or headset
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or new call, it would automatically choose line 3.
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If I wanted to choose line 1 as an actual line to make calls from,
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I would have to specifically press the line button.
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Anything else, new call, headset or
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speaker would automatically choose line 3.
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Now, that would just be for outgoing calls.
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I'm sorry, that would be for outgoing and incoming calls
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if the calls are coming in.
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Now, if calls are coming in on a different line and I just press speaker,
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it’s going to essentially go off hook on line3.
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I could do incoming
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and then when an incoming call is present
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and the phone is ringing, lifting the handset will
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automatically select the line for the incoming calls
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but outgoing calls require the explicit selection of the line to be used.
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So, I can actually make sure that all
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incoming calls still select a certain line.
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So, not to be confused with auto answer
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but I just wanted to bring that point out
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since some people see auto line and I think it maybe has something to do with auto answer.
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So, restart that phone,
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do a right since I’m here.
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Notice that my watch lamp actually goes dead for a minute
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non-idle just while the other phone is restarting.
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So, now, I’ve got Intercom Locke and intercom Desmond.
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So, I’m gonna go ahead and press Intercom Desmond
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and what’s happened from intercom,
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to intercom and from intercom, that’s automatically happened
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and you can’t see the mute button here.
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This remote client doesn’t actually show you the mute button lit up
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but mute is chosen and if I turn up one of the phones,
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then you can probably hear a little bit of feedback
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because it’s going in a one-way loop but
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John Locke’s phone is off mute, Desmond’s phone is on mute.
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So, I can end call
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and try it the other direction,
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press intercom Locke and the opposite happens.
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It automatically intercoms over to John Locke’s phone.
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There’s a one-way mute.
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I can press mute on the other phone
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and I can also press un-mute
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and then, sorry for the feedback.
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And then I’ve got two-way audio so I can press mute and
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go and have a full duplex conversation.
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So, now, we’re going to clear the screen
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and switch over to voice register
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DN and we’ll create voice register DN7
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with number 3033 as we we’re instructed to do,
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name will be Sawyer’s Intercom.
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And let’s say label, we’ll just be Intercom line because there’s not gonna be any
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because there’s not gonna be any specific person that’s dialled
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specific person that’s dialled when I go off hook.
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It’s really just another DN or another VOIP dial-peer
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as we might correctly look at it.
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And the keyword here that I'm gonna use is auto answer.
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Now, the whole reason for auto answer here is specifically for intercom.
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I’m sure you could use it for whatever you want but that’s the reason for it.
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So, let’s go create voice register DN8 with number 3034.
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The name on this is going to be
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Hurley’s Intercom.
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Again, auto answer and the same label
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Intercom line and then voice register pool 1
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and we’re gonna add it as the button we were instructed number 3, DN7,
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voice register pool 2 number 3 DN8
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and we don’t really need to reset our Skinny phones, just our SIP phones.
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So, no create, create a profile.
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Tell them to restart, do a right.
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Start the new Skinny phones do, okay, they’re both back up.
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0:14:01
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So now, I’m just gonna go from Desmond’s phone 3001
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and I’m gonna dial 3033.
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And it’s immediately gone off hook. There is no mute.
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You can probably hear a little bit of echo,
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so I’m gonna end the call.
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Certainly turn up loud enough to create feedback
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just in case you couldn’t hear that.
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I can call over 3034,
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0:14:31
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It will go auto off-line on Hurley’s phone, that’s his Intercom.
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0:14:39
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I can call that, you can’t see it on the screen
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but I could call it from one SIP phone to another, automatically answers.
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So, and keep in mind, just like I said,
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0:14:53
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we could have certainly done the same thing
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with the Skinny phones being that I could’ve created just a regular DN.
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Let’s say 3031
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and any phone including a SIP phone would’ve been able to call it
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and it would have auto-answered with mute because
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0:15:15
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because it’s a function just of a Skinny phone
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0:15:18
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talking to the CME is the auto answer with mute.
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0:15:21
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Basically, the Skinny server is saying auto answer
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0:15:25
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and at the same time it’s sending the Skinny stimulus message to
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0:15:29
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enable or enact your mute button.
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0:15:32
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But there is no such SIP method that was in 701.
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