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- About Eugene Meyer
10-09-2017
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05-22-2012
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Created by
Eugene Meyer
in IP Telephony and Phones
in IP Telephony and Phones
03-14-2017
02:09 AM
03-14-2017
02:09 AM
This is on internal calls as well, and as mentioned, in some cases internal calls there arent even ring back.
... View more
03-14-2017
12:54 AM
Hi Mohammed,
Thanks for your time.
There are no SIP trunks between the gateways and Call Mangers yet on either of the two voice networks. I have attached a simple network diagram in my reply to Manish.
... View more
03-14-2017
12:46 AM
Hi Manish,
Thanks for your help.
1. It could be gateway dependent, but I cant say for sure since each gateway registers to its own Call Manager (Voice network 1 [faulty network] has a MGCP GW, Voice network 2 has an H323 GW)
2. Its all of the phones on voice network 1 that is affected
3. I have registered a phone from voice network 1 (faulty network) to voice network 2 (not faulty), and the issue was gone. This is only on the one voice network.
The noise starts as soon as you lift the receiver (before even dialing a number) and only stops once the call connects to the other party. Also, on SOME internal calls we dont even get a ring back.
I have attached a simple network diagram to give you a better idea of how the network looks.
At first I thought this is a QoS issue, but considering the network design I doubt this is QoS.
... View more
03-13-2017
04:21 AM
Hi all.
I have a client who is complaining about a loud crackling noise whenever they try to make a call. The noise stops as soon as the person on the other end answers the call and the actual conversation starts between the two parties. So the problem is with he signaling traffic, but Im not sure where to start with this.
To add confusion, they have one data network, and two voice networks in the office building. Users on the one voice network registers to CM1 and users on the other voice network registers to CM2. This is achieved by using different VLAN's and option 150 (its messy, but makes sense after they explained the reasons behind this). Each voice network has its own voice gateways, but uses the same WAN gateway. The issue is only with phones on voice network 1. All phones on the other voice network seems to be fine and have no crackling noise during call set up.
Phone model is a 79XX series SCCP phone.
... View more
Labels:
08-29-2016
10:25 AM
Hi all.
Hope Im posting in the correct group here. I work on Collaboration devices, but have a question regarding the network.
We have a layered network (Layer 2, Layer 3, and a server farm), which we will be locating users to. Some users on the network have a voice recording requirement (need to capture both internal and external conversations), and the current standard is passive voice recording (an active voice recording solution will be implemented, but only at a later stage). I did some research and it seems that RSPAN will be my answer.....I hope :p
So I understand that a dedicated RSPAN VLAN will need to be created on both the access layer and distribution layer switches (Distribution layer switches will be Nexus 9K). My question is regarding the destination. Im a little unclear on how this will need to be configured, and whether this will be possible, because the distribution layer will only act as a transit layer between the Access layer and Server farm. So, can the RSPAN VLAN be created on the server farm switches as well, and if so is it just a matter of adding the server ports to this VLAN? If the RSPAN VLAN cant be created on the server farm switches, Im guessing the only way around this will be to connect the voice recording servers to the distribution layer switches (not something I really want to do. Below/attached is a diagram of the network with network design.
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Labels:
01-21-2016
02:07 AM
Hi all.
Hope someone can shed some light on a issue I have.
Recently did a cut over for one of our sites, from one CallManager cluster to another CallManager cluster. Both cluster are running the same version of CUCM, and the servers of both clusters are located in the same DC. After the cut over, users on site complain about a 5 second delay from entering the number they wish to dial, to actually hear ringing. This holds true to both internal and external calls. I first started troubleshooting internal calls, but creating more specific translation patters for the short dials they use, however this did not help the issue. (also have urgent priority checked in the translation pattern). I then asked a user to dial a internal number, but to dial the full number and not the short dial so that we can bypass the translation pattern, and the delay was still evident. I then dropped the T302 timer from 7000 to 5000, and still the same issue. Can anyone here tell me what else can affect the time between dialing a number to call establishment? As I mentioned this issue is persistent for both internal and external calls.
Any assistance would be much appreciated.
Thanks
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Labels:
11-24-2015
01:20 AM
Hi all.
Was just wondering, what does the "max sessions" command specify under the SCCP configs on a voice gateway?
If I configure max sessions 2 under the conference DSP farm, will a session be one call leg (making the max sessions 2 option a useless option for conferencing) or will a session be considered the amount of simultaneous conferences on a bridge, or is a session considered something else?
The reason for my question, I came across a client's gateway config which specified a "max sessions 2" under the conferencing DSP. I usually configure this to be 8 or 5, without thinking about it. The client is able to make ad-hoc conference calls with 3 or more participants in a call, which doesnt make sense to me. This triggered a chain of questions, because I have always configured max sessions without thinking about it much. First I would configure the PRI's and bring them up, second I'll configure the DSP farms with MTP max session = 250, conferencing = 5 or 8 (depend on customer site), and transcoding will take the remaining resources, which I usually specify by typing max sessions ? under the transcoding DSP farm and configure it with whatever the reaming figure is.
To be honest, I have never given it much thought, and have never ran into any issues but now Im questioning my config after seeing a max sessions 2 under a conference DSP farm.
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Labels:
Created by
Eugene Meyer
in IP Telephony and Phones
in IP Telephony and Phones
10-09-2015
04:55 AM
10-09-2015
04:55 AM
This looks exactly like what I need for this client. Im new to MVA, but I'll do some reading up on this, and paly around a bit. If I run into any issues with the implimentation I'll message you, if you dont mind Vivek. Thanks a million for this Vivek :)
... View more
Created by
Eugene Meyer
in IP Telephony and Phones
in IP Telephony and Phones
10-09-2015
03:56 AM
10-09-2015
03:56 AM
1. All users on Avaya can be on the same PIN if thats easier 2. The called party needs to see a CLI that is on the CallManager in country B. Reason for this is, if the called party tries to call the number that showed in the CLI, then I want to be able to manipulate the routing of it back to country A where a call agent can pick up the call, but the clients is still charged at a local rate for the call.
... View more
10-09-2015
03:40 AM
Sadly these are not fixed numbers...otherwise I would have setup somesort of forwarding on the CM in country B.
... View more
Created by
Eugene Meyer
in IP Telephony and Phones
in IP Telephony and Phones
10-09-2015
03:37 AM
10-09-2015
03:37 AM
Im not familiar with MVA, so please send some information if you dont mind. However on that note, the call agents in country A is on an Avaya system. We do have Cisco in country B, but the call center does not operate from there anymore. From your suggestion (and I migh be wrong) it seems like the call agenst in country A should be on Cisco if MVA is an option...or do I have it wrong here?
... View more
Created by
Eugene Meyer
in IP Telephony and Phones
in IP Telephony and Phones
10-09-2015
02:31 AM
10-09-2015
02:31 AM
Hi. Yes there is a CUCM 8.6.2 server in country B that manages the MGCP gateways. I also have a CUC 8.6 server in country B and trying to see if there is a way that I can utilize this server with an IVR option that will ask for a PIN. Once the correct PIN has been received the CUC server will provide dial tone and a call can be initiated from the CUC server...not sure if this is possible, but looking into this. I remember was a way toll fraud could be commited for Untiy, and Im trying to see how it was done and whether there is a way to make it more secure and use it as a solution here. Perhaps you know if this is possible or not?
... View more
Created by
Eugene Meyer
in IP Telephony and Phones
in IP Telephony and Phones
10-09-2015
02:25 AM
10-09-2015
02:25 AM
So the reason for this is, a couple of months ago the client moved a business unit out of their office in country B to country A, however the business untit still has to make regular calls to customers in country B. The customers now see the CLI on their mobile phones as a international number and refuses to answer the call for some reason. The client has seen a 45% drop in their business since this move was done. They did the same thing in another country (country C) that runs on Avaya end-to-end and apperantly got 2 stage dialing to work, and made a white list using the phone number/s of the agents in country A, so that only these agents are able to dial the gateway and receive a secondary dial tone. As far as I know the white list uses IP addresses and not phone numbers, but I dont know about Avaya. As for the CLI, Im sure its possible to manipulate the CLI to a number on the Call Manager in country B...right? Im also trying to see if there is a way that I can setup an IVR on CUC (the client has a CUC server in country B). Once the IVR answers the call it will ask for a PIN, and only after the correct PIN has been received will the secondary dial tone be given. Two things with this: 1. Im not sure if this is possible, and still looking into this option 2. The client is using a very old dialer system in country A, so even is this is possible, Im not sure how the dialer will respond to the request for a PIN once a call has been established to the CUC server.
... View more
10-09-2015
01:32 AM
Hi Ayeodeji Thanks for the emphasis on the risks involved with 2 stage dialing. As mentioned in my post, I am aware of the toll fraud, but this client is adamant in getting this to work. Personally I would never suggest 2 stage dialing, however the client managed to come across a document on google and feels this is the way to go. I think I know now how a doctor feels when they see a patient who googled their symptoms :-/ I will definitely tell them about the £80,000,00 phone bill though.
... View more
03-14-2017
This is on internal calls as well, and as mentioned, in some cases
internal calls there arent even r...
03-14-2017
Hi Mohammed, Thanks for your time. There are no SIP trunks between the
gateways and Call Mangers yet...
03-14-2017
Hi Manish, Thanks for your help. 1. It could be gateway dependent, but I
cant say for sure since eac...
03-13-2017
Hi all. I have a client who is complaining about a loud crackling noise
whenever they try to make a ...
08-29-2016
Hi all. Hope Im posting in the correct group here. I work on
Collaboration devices, but have a quest...
01-21-2016
Hi all. Hope someone can shed some light on a issue I have. Recently did
a cut over for one of our s...
11-24-2015
Hi all. Was just wondering, what does the "max sessions" command specify
under the SCCP configs on a...
10-09-2015
This looks exactly like what I need for this client.Im new to MVA, but
I'll do some reading up on th...
10-09-2015
1. All users on Avaya can be on the same PIN if thats easier2. The
called party needs to see a CLI t...
10-09-2015
Sadly these are not fixed numbers...otherwise I would have setup
somesort of forwarding on the CM in...
10-09-2015
Im not familiar with MVA, so please send some information if you dont
mind.However on that note, the...
10-09-2015
Hi. Yes there is a CUCM 8.6.2 server in country B that manages the MGCP
gateways.I also have a CUC 8...
10-09-2015
So the reason for this is, a couple of months ago the client moved a
business unit out of their offi...
Public Statistics
| Date Registered | 05-22-2012 06:50 AM |
| Date Last Visited | 10-09-2017 02:12 PM |
| Total Messages Posted | 35 |
Helpful Votes Given To
| User | Helpful Count |
|---|---|
| 5 | |
| 5 | |
| 10 | |
| 10 | |
| 4 |
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