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- About TarasKotov
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Member since
08-23-2011
27
Posts
4
Helpful
4
Solutions
09-10-2012
02:18 AM
Amjad Abdullah, thanks for your answer. -40°C is not anough. But if antenna is the only part what is needed to be outside, the temperature range does not matter. Aironet 1520 is lightweight AP. It meens that I have to buy controller too. I forgot to mention, but I need standalone APs. I found another calculator from Cisco (for AIR-BR1310G), but the problem is as you mentioned - it's for old 802.11 b/g standard.
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09-06-2012
01:39 AM
Hello everybody! I have a question about E1. I need to transfer data and voice over E1 WAN link. I have to use 1 or 2 timeslots for voice and 29-28 timeslots for data. Is it possible? Can anyone give me a link? There is a scheme attached to a post. Thanks!
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Created by
TarasKotov
in IP Telephony and Phones
in IP Telephony and Phones
03-02-2012
12:43 AM
03-02-2012
12:43 AM
Hi, My client wants to upgrade Cisco 3825 with c3825-advipservicesk9-mz.124-24.T3.bin IOS to 15.X version. There is CUCME installed and working. He wants to buy smartnet and download latest 15.X version IOS. Does he need to buy any additional licences to make CUCME working (as far as I know, when 15.X version IOS is installed, any special functionality needs its own licence) or "Cisco CallManager Express Feat Licence Up To 144 Phones" licence bought with Cisco 3825 is enough?
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01-31-2012
06:17 PM
Hi Rob, I have another question about this license. Its description says: "Cisco Unified CME User License for single Cisco 3905G". Why does it 3905G and not just 3905? 3905 IP phone doesn't have 1Gb switch as far as I know.
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01-31-2012
01:14 AM
Hi, c.registration. Can you make some dumps with a sniffer like tcpdump or Wireshark to look at those packets?
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01-31-2012
01:04 AM
Hello, community! I have a question about licenses for 3905 phone to use with CUCME. Is there any license I need except FL-CME-SRST-25 for 2901 router license to support 3905 (p/n: CP-3905= ) phone? For example, for 7911G phone (p/n: CP-7911G) you need to include SW-CCME-UL-7911 license.
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09-04-2011
07:09 PM
Dear Daniele, the problem is that this device must proxy RTP stream too. And I'm afraid that it won't be able to handle 100-200 simultaneous calls without some service degradation (dropping calls cause of low CPS, etc.). What hardware and maximum number of calls do you have?
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09-01-2011
08:02 PM
I want to use Cisco3845 as transit SIP point (there is no need for FXS/FXO/E1 ports, just transit SIP calls). There are ~100 simultaneous calls in max now and can be up to 200 in a near future. It is ok to use 3845? It there any caveats (like small number of CPS)?
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08-29-2011
03:33 AM
Process Switched - when each packet is individually processed by CPU. Fast Switched - when first packet of a flow processed by CPU and an entry about flow added to a cache, after all packets of that flow a processed more quickly (in terms of CPU cycles).
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08-28-2011
09:50 PM
Bridge switch has to be the one who is connected to a router. If not, there will be a situation where traffic from host (PC, server, etc.) to a router will traverse through all 3 switches. For example SW2 is a root switch and router R1 is connected to R3: PC - SW1 - SW2 - SW3 - R1 If SW3 will be a root switch, than: PC - SW1 - SW3 - R1 Of cause, if there is no 100% trunk load between switches, you can use default STP settings. But it a poor design and can lead to a bad network habit in a future.
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08-28-2011
07:51 PM
It's hard to say if WRP400 drops multicast packets or not. Can you ask your ISP if you can use VLC player (www.videolan.org/vlc/) to watch IPTV? I have no expirience with WRP400, but if you find a way to capture traffic with Wireshark or tcpdump, a can analyze it and say if something is wrong or not. VLC+Wireshark on PC is a good starting point.
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08-28-2011
07:42 PM
Dear avilt, your picture is too small to see any text. I only see 3 siwtches connected with some sort of links. But: 1. This setup (3 switches) is alright as long as uplink and trunk ports are not fully (100%) loaded. 2. Every network device is adding some latency cause it need to store packet, analyze it, queue and transmit it. With right QoS parameters it's not a big problem having 3 switches instead of 2. 3. Theoreticaly there is no limit how many switches can be connected to each other. Just remember not to make too big broadcast domains. 4. Your cables ("twisted pair" with 4 pairs - cat.5 or cat.5e) should not be longer than 100 meters. It's a standard.
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09-10-2012
Amjad Abdullah, thanks for your answer.-40°C is not anough. But if
antenna is the only part what is ...
09-06-2012
Hello everybody!I have a question about E1.I need to transfer data and
voice over E1 WAN link. I hav...
03-02-2012
Hi,My client wants to upgrade Cisco 3825 with
c3825-advipservicesk9-mz.124-24.T3.bin IOS to 15.X ver...
01-31-2012
Hi Rob,I have another question about this license. Its description says:
"Cisco Unified CME User Lic...
01-31-2012
Hi, c.registration.Can you make some dumps with a sniffer like tcpdump
or Wireshark to look at those...
01-31-2012
Hello, community!I have a question about licenses for 3905 phone to use
with CUCME.Is there any lice...
09-04-2011
Dear Daniele,the problem is that this device must proxy RTP stream too.
And I'm afraid that it won't...
09-01-2011
I want to use Cisco3845 as transit SIP point (there is no need for
FXS/FXO/E1 ports, just transit SI...
08-29-2011
Process Switched - when each packet is individually processed by
CPU.Fast Switched - when first pack...
08-28-2011
Bridge switch has to be the one who is connected to a router. If not,
there will be a situation wher...
08-28-2011
It's hard to say if WRP400 drops multicast packets or not.Can you ask
your ISP if you can use VLC pl...
Public Statistics
| Date Registered | 08-23-2011 09:54 PM |
| Date Last Visited | 08-18-2017 03:53 AM |
| Total Messages Posted | 27 |
| Total Helpful Votes Received | 4 |
