1 00:00:15,780 --> 00:00:20,910 This could also be related to the mistake I made with the exclusion range. 2 00:00:21,800 --> 00:00:24,740 So that may be causing problems in packet tracer. 3 00:00:25,430 --> 00:00:34,160 But while I'm waiting, I'll configure the telephony service and if necessary, I'll restart packet 4 00:00:34,160 --> 00:00:34,820 tracer. 5 00:00:35,330 --> 00:00:37,520 So the command is telephony service. 6 00:00:38,090 --> 00:00:41,840 Max ee phones is three. 7 00:00:41,840 --> 00:00:44,120 Max dean is three. 8 00:00:44,660 --> 00:00:45,920 IP source. 9 00:00:46,640 --> 00:00:53,810 Address is going to be ten 1101254 2000 order sign. 10 00:00:56,150 --> 00:00:57,080 Telephone numbers. 11 00:00:57,080 --> 00:00:58,310 One, two, three. 12 00:01:00,850 --> 00:01:05,620 iPhone den, one number is 1000. 13 00:01:05,860 --> 00:01:10,900 You can see that a DSP has come up or digital signaling processor. 14 00:01:14,060 --> 00:01:17,630 Number one, 2001 is allocated to iPhone D and two. 15 00:01:18,560 --> 00:01:21,000 What about iPhone D and three? 16 00:01:21,020 --> 00:01:24,230 1002 is allocated to that. 17 00:01:24,230 --> 00:01:25,310 So show run. 18 00:01:26,500 --> 00:01:27,910 Scroll down. 19 00:01:28,360 --> 00:01:30,670 Yes, our telephony service. 20 00:01:31,380 --> 00:01:41,430 Here are our iPhone ends and then I'll configure the physical earphones type is going to be 7960. 21 00:01:42,570 --> 00:01:49,860 Button one will be associated with D and one as mentioned, that may not work. 22 00:01:49,860 --> 00:01:53,850 So let's configure the types. 23 00:01:54,060 --> 00:01:59,220 And then once the phones register will configure. 24 00:02:01,690 --> 00:02:02,770 The buttons. 25 00:02:05,030 --> 00:02:11,420 So we can't add the button, but let's review our configuration again. 26 00:02:12,320 --> 00:02:14,120 We've got our telephony service. 27 00:02:14,270 --> 00:02:15,160 That looks good. 28 00:02:15,170 --> 00:02:19,580 We've got an iPhone lens, we've got our iPhones. 29 00:02:19,610 --> 00:02:24,710 This was added automatically to the configuration that looks good. 30 00:02:24,710 --> 00:02:27,740 Show IP, DHCP binding. 31 00:02:28,070 --> 00:02:33,380 Now, if the phones are not getting IP addresses, they won't be able to register with the telephony 32 00:02:33,380 --> 00:02:34,040 service. 33 00:02:34,430 --> 00:02:42,590 So what I'll do at this point is save the configuration of the devices and I'm going to shut it down, 34 00:02:42,590 --> 00:02:45,140 pick a tracer and start it up again. 35 00:02:50,930 --> 00:02:55,400 One of the big skills to learn in networking is troubleshooting. 36 00:02:55,940 --> 00:02:59,840 Another skill that most of us struggle with is patience. 37 00:03:00,850 --> 00:03:02,770 Sometimes we need to be patient. 38 00:03:03,340 --> 00:03:06,970 But on a recording like this, I want to force things to happen. 39 00:03:08,470 --> 00:03:10,840 So let's see how things look now. 40 00:03:10,960 --> 00:03:16,780 We don't have any bindings yet, but that could be because of spending tree. 41 00:03:17,880 --> 00:03:19,860 Taking a while to converge. 42 00:03:22,210 --> 00:03:26,080 And notice here, suddenly we have phones registering. 43 00:03:26,620 --> 00:03:28,030 So that's good. 44 00:03:28,420 --> 00:03:31,030 So show run scrolling down. 45 00:03:32,430 --> 00:03:34,290 Notice the difference. 46 00:03:34,320 --> 00:03:40,970 We now have Mac addresses associated with our iPhones. 47 00:03:41,190 --> 00:03:45,750 And notice the buttons were order assigned because. 48 00:03:47,030 --> 00:03:49,610 I used this order assign option. 49 00:03:50,150 --> 00:03:54,410 So in this case, I didn't have to add the button command. 50 00:03:54,590 --> 00:03:57,320 So that's great show. 51 00:03:57,350 --> 00:03:59,150 IP DHCP binding. 52 00:03:59,660 --> 00:04:01,070 That looks better. 53 00:04:02,220 --> 00:04:08,070 So restarting packet tracer solved the issues that I was having. 54 00:04:08,430 --> 00:04:13,890 Show iPhone shows us that phones are registered. 55 00:04:13,920 --> 00:04:16,470 We've got three phones registered. 56 00:04:17,040 --> 00:04:18,300 Make this a bit bigger. 57 00:04:18,570 --> 00:04:19,500 Notice. 58 00:04:20,190 --> 00:04:22,140 Channel one is idle. 59 00:04:22,170 --> 00:04:24,780 In other words, the phone is on hook. 60 00:04:25,900 --> 00:04:27,200 It hasn't been taken off. 61 00:04:27,270 --> 00:04:30,790 Look, in other words, you're not making a call button. 62 00:04:30,790 --> 00:04:32,800 One has D and one assigned to it. 63 00:04:33,340 --> 00:04:36,040 Button one on this phone has D and two assigned to it. 64 00:04:36,400 --> 00:04:40,870 Button one on this phone as D and three assigned to it. 65 00:04:41,080 --> 00:04:45,070 IP address are phones are shown here. 66 00:04:45,280 --> 00:04:46,000 So. 67 00:04:46,860 --> 00:04:48,600 Let's go into one of the phones. 68 00:04:51,460 --> 00:04:53,830 There's the graphical user interface. 69 00:04:54,400 --> 00:04:55,930 Here's the second phone. 70 00:05:02,560 --> 00:05:03,790 I'm going to go --. 71 00:05:04,060 --> 00:05:06,400 And hopefully you can hear the Dalton. 72 00:05:08,570 --> 00:05:09,440 Dollar number. 73 00:05:16,480 --> 00:05:18,760 Your phone is ringing. 74 00:05:19,150 --> 00:05:19,570 Go. 75 00:05:19,570 --> 00:05:20,110 --. 76 00:05:20,470 --> 00:05:23,440 And I have a call established between the two phones. 77 00:05:24,970 --> 00:05:31,180 And sound is playing from one phone to the other. 78 00:05:31,420 --> 00:05:33,610 And if I do it in the reverse direction. 79 00:05:40,300 --> 00:05:42,130 And I can put the phone down now. 80 00:05:42,550 --> 00:05:48,250 And what you'll notice is the sound doesn't play because the call has been terminated. 81 00:05:49,670 --> 00:05:51,290 Here's my third phone. 82 00:05:56,010 --> 00:06:00,390 So on this phone, can I dial 1002? 83 00:06:03,930 --> 00:06:05,070 Yes, I can. 84 00:06:05,100 --> 00:06:05,550 Go. 85 00:06:05,550 --> 00:06:06,240 --. 86 00:06:06,630 --> 00:06:07,530 Call is answered. 87 00:06:07,530 --> 00:06:09,150 You can see it says connected. 88 00:06:10,080 --> 00:06:11,540 You can put the phone down. 89 00:06:11,550 --> 00:06:14,010 The callers disconnected on the side. 90 00:06:14,790 --> 00:06:17,760 On this phone, I can dial 1000. 91 00:06:19,920 --> 00:06:21,030 Phone is ringing. 92 00:06:21,450 --> 00:06:22,380 Go --! 93 00:06:22,620 --> 00:06:25,710 Callers answered and the phones are connected. 94 00:06:25,800 --> 00:06:30,390 So I'm able to make calls between the IP phones. 95 00:06:30,390 --> 00:06:34,320 So that looks good on the PCs. 96 00:06:38,230 --> 00:06:40,570 I should be able to ping the IP phones. 97 00:06:41,050 --> 00:06:44,710 So as an example, this phone has this IP address. 98 00:06:44,800 --> 00:06:47,440 So ping ten one 101. 99 00:06:48,650 --> 00:06:50,540 Five That works. 100 00:06:51,440 --> 00:06:53,480 Three that works. 101 00:06:55,310 --> 00:06:57,620 And the other IP address was for. 102 00:06:59,010 --> 00:07:00,780 And that also works. 103 00:07:01,050 --> 00:07:06,060 So as an example, PC one should be able to ping the switch. 104 00:07:06,510 --> 00:07:08,820 If I've configured that correctly. 105 00:07:13,050 --> 00:07:23,670 Took it a while, but it's now pinging so the PC can ping the switch but can also ping one of the phones. 106 00:07:24,240 --> 00:07:27,570 And if I do a trace to the. 107 00:07:28,390 --> 00:07:29,350 Switch. 108 00:07:30,190 --> 00:07:39,280 Notice the traffic is going via the router to the switch and in the same way I should be able to trace 109 00:07:39,280 --> 00:07:41,560 to a phone, which I can. 110 00:07:42,040 --> 00:07:43,840 So I'm happy with that. 111 00:07:45,340 --> 00:07:48,250 Let's verify the tasks that we had to complete. 112 00:07:48,580 --> 00:07:51,220 We had to verify phone power usage. 113 00:07:51,640 --> 00:07:52,930 I've done that. 114 00:07:54,310 --> 00:07:56,620 Show power in line. 115 00:07:57,570 --> 00:08:02,520 We can see the power allocated by the switch to the phones. 116 00:08:04,360 --> 00:08:08,320 We need to make sure that the phones are visible through CDP. 117 00:08:08,350 --> 00:08:11,530 So show CDP neighbor we can see. 118 00:08:12,880 --> 00:08:16,390 The phone's through CDP, so that's good. 119 00:08:17,720 --> 00:08:20,000 We need to make calls between the phones. 120 00:08:22,390 --> 00:08:28,210 So again, this phone should be able to call 1001, which it can. 121 00:08:30,560 --> 00:08:32,179 And lastly. 122 00:08:33,140 --> 00:08:38,690 We need to make sure that the PCs can ping the switch. 123 00:08:39,110 --> 00:08:40,159 So. 124 00:08:40,929 --> 00:08:41,210 Yes. 125 00:08:41,230 --> 00:08:42,309 PC three. 126 00:08:44,690 --> 00:08:48,290 Can it ping the switch? 127 00:08:48,590 --> 00:08:52,760 While I'm waiting for that, I'll do the same test on the other PC. 128 00:08:52,760 --> 00:08:55,370 So ping ten 11253. 129 00:08:56,630 --> 00:09:00,710 So PC three can ping the switch PC to campaign with the switch. 130 00:09:03,340 --> 00:09:06,550 And PC one can ping the switch. 131 00:09:07,090 --> 00:09:10,390 So I've successfully completed this lab. 132 00:09:10,930 --> 00:09:14,050 I'll save the switch configurations. 133 00:09:16,390 --> 00:09:18,490 And save the rudder configuration. 134 00:09:19,420 --> 00:09:27,160 Now notice show iPhone shows us that the channels under the phones are idle. 135 00:09:27,460 --> 00:09:29,110 There's no call setup. 136 00:09:29,890 --> 00:09:37,630 But if I go off hook here and dial another phone and answer that call. 137 00:09:38,530 --> 00:09:44,020 Notice the state shows connected on those two phones. 138 00:09:44,740 --> 00:09:48,040 So I'll just clear the screen a bit to show iPhone. 139 00:09:49,030 --> 00:09:55,810 This number is connected to this number and we can see packets sent and received. 140 00:09:56,440 --> 00:09:59,110 Let's see if that works properly in packet tracer. 141 00:10:00,340 --> 00:10:02,200 So I'll do that again. 142 00:10:02,470 --> 00:10:04,120 So show E phone. 143 00:10:04,660 --> 00:10:08,230 We can see the codec here is g 7 to 9. 144 00:10:08,650 --> 00:10:11,350 That's the codec that's being negotiated. 145 00:10:11,770 --> 00:10:14,380 We can see packets sent and received. 146 00:10:15,150 --> 00:10:19,740 But on a real device, you'd be able to see that information. 147 00:10:19,950 --> 00:10:25,260 But that's quite a nice representation of a voice over IP network. 148 00:10:25,530 --> 00:10:32,640 It's not perfect in packet tracer, but it's a great way to learn if you don't have Cisco IP phones 149 00:10:32,640 --> 00:10:38,190 and a Cisco Unified Communications Manager available to you.