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- About Florian Zahn
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Member since
07-06-2005
40
Posts
15
Helpful
0
Solutions
08-30-2016
10:38 PM
Hi Wayne,
i do not agree to that. It was and it is always best practice to hide administrative interfaces from normal users. Nobody can hack into a system, that he is unable to access at all. Deployingn Proximity in a typical enterprise environment means giving access from internal networks and guest networks as well, so also guests can share their screens via proximity.
So in my opinion its not acceptable to have the admin-page also reachable for guests...
Perhaps Cisco should reconsider, if this is really a good idea and not a showstopper for many enterprises to deploy Proximity within their networks.
Regards
Florian
... View more
Created by
Florian Zahn
in Cisco Proximity
in Cisco Proximity
06-01-2016
01:44 AM
06-01-2016
01:44 AM
Hello,
is there a way to let our users use proxmity without exposing the admin-interface of our telepresence-systems?
Because all our telepresence systems are registered on our CUCMs the share the network as DHCP-clients with normal ip-phones.
To get Proximity working, we need to give the clients access to port 443 (https) to this network. This means, that users cannot only use proximity, but also access the administrative interface of the telepresence-systems and IP-Phones. I think, that this is unacceptable, not only in our company.
Is there a way to separate this? So the proximity service listens on different port, then the admin-interfaces?
Thanks for help
regards
Florian
... View more
Labels:
Created by
Florian Zahn
in Contact Center
in Contact Center
05-18-2015
02:07 AM
05-18-2015
02:07 AM
Hi, we use the chat-integration of social-miner in our UCCX. It works fine, but our agens are unhappy, because there is no popup, when a chat arrives. Is there a way to get a popup, when a call arrives, so the agens are notified about the incoming chat? With workflows in Finesse administrator its possible to configure a popup, when a call arrives, but not for chats... Regards Florian
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Labels:
Created by
Florian Zahn
in IP Telephony and Phones
in IP Telephony and Phones
10-18-2013
06:21 AM
10-18-2013
06:21 AM
Hi, to your initial statement: MGCP-calls are not preserved, because L3 is backhauled to the CUCM. So all active calls are dropped a few seconds after outage of CUCM-connection. Only in case of failover t a secondary CUCM the calls are afaik not dropped.... Regards Florian
... View more
Created by
Florian Zahn
in IP Telephony and Phones
in IP Telephony and Phones
11-08-2012
01:55 AM
11-08-2012
01:55 AM
hi Roger, thanks for the explanation, but I do still think, that I should be able to setup a video conference brige....: 1. According to figure 1 on your datasheet, indeed a DSP core can be fragmented for voice and video. Only for IPSLA-operation this is not allowed, because a special image for this core is used. 2. My router has two PVDM3-moules: One PVDM3-16 and a PVDM3-32. The PVDM-32 should be totally enough to fullfill the requirements of 16 BRI-channels (4x VWIC2-2BRI-NT/TE). So the whole PVDM3-16 is unused andis free for video-conference bridge. According Cisco documetation the PVDM3-16 can run a homogenous video conference bridge, but not a heterogenous bridge. But I am not able to configure the homogenous bridge... I opened the TAC case and lets see for a definitive answer.... Regards Florian
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Created by
Florian Zahn
in IP Telephony and Phones
in IP Telephony and Phones
11-08-2012
12:46 AM
11-08-2012
12:46 AM
Hi Roger, I think the thing with the DSP cores is not valid anymore for PVDM3: Q. Can conferencing, transcoding and voice calls be supported on a single DSP? # A. Yes. The PVDM3 modules have a universal firmware image that allows sharing DSP resources between transcoding, voice, and conference calls. On the PVDM2 you can use the same DSP for voice and transcoding calls, but a different DSP firmware image is required for conference calls requiring a DSP to be dedicated when conferencing is configured. I think I will create a TAC case regarding this issue... Thanks all for help Regards Florian
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Created by
Florian Zahn
in IP Telephony and Phones
in IP Telephony and Phones
11-04-2012
02:12 AM
11-04-2012
02:12 AM
Hi Roger, As I already wrote, I have 48 DSP and according DSP Calculator 40. DSP should be enough. I alread removed the G729xxx codecs, but this did not solve the problem Regards Florian Sent from Cisco Technical Support iPhone App
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Created by
Florian Zahn
in IP Telephony and Phones
in IP Telephony and Phones
11-03-2012
01:29 PM
11-03-2012
01:29 PM
Hi Roger, thanks for this information about the "b"-codecs... I will remote them. But I can still not enable video conferencing services... Regards Florian
... View more
Created by
Florian Zahn
in IP Telephony and Phones
in IP Telephony and Phones
11-03-2012
01:09 PM
11-03-2012
01:09 PM
Hi Chris, I tried so set a lower value for "voice-service dsp-reservation", but 34 was the lowest possible value. As far as i know, the information that, DSP cannot be shared betwen TDM and conference ressources is not valid anymore for PVDM3, since a new firmware is used, that provides all services: Q. Can conferencing, transcoding and voice calls be supported on a single DSP? A. Yes. The PVDM3 modules have a universal firmware image that allows sharing DSP resources between transcoding, voice, and conference calls. On the PVDM2 you can use the same DSP for voice and transcoding calls, but a different DSP firmware image is required for conference calls requiring a DSP to be dedicated when conferencing is configured. Anyway: my BRI-cards do not use the full PVDM3-32 and the PVDM3-16 should still be enough for one video-conference-profile: ABout the audio-codecs: IOS installed them by itself when I created the dspfarm-profile. Regards Florian
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Created by
Florian Zahn
in IP Telephony and Phones
in IP Telephony and Phones
11-03-2012
11:39 AM
11-03-2012
11:39 AM
Hi Chris, thanks for your reply. 4 BRI-cards are 4x2x2 channels = 16 G.711 channels (low complexity should be enough, because for ISDN it is only G.711) This means the PVDM3-32 is left for video And also on your calculation there are still only 40 DSPs needed and I have 48 DSP-Calc recommends a PVDM3-64, because it always trys to save slots. So to fullfill 40 DSP, it recommends a PVDM3-64 But I think, you should also be able to use a PVDM3-16 and a PVDM3-32. Then there are not 24 available, but only 8.... Or do I forget anything? Thanks and Regards Florian
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Created by
Florian Zahn
in IP Telephony and Phones
in IP Telephony and Phones
11-03-2012
11:02 AM
11-03-2012
11:02 AM
Hi, i want to setup a homogenous video conference bridge on my Cisco 2921 running 15.2(4)M1, but I am not able to get this working, because when setting up the dspfarm profile, i have to enter "maximum sessions". The only value I can select here is "0". According DSP calculator I should have enough DSPs for this. I have a PVDM3-16 and a PVDM3-32. In the same router are 8 BRI installed (4x VIC2-2BRI-NT/TE). Here is "show inventory": NAME: "CISCO2921/K9", DESCR: "CISCO2921/K9 chassis, Hw Serial#: FCZ164260UQ, Hw Revision: 1.0" PID: CISCO2921/K9 , VID: V07 , SN: FCZ164260UQ NAME: "2nd generation two port BRI voice interface daughtercard on Slot 0 SubSlot 0", DESCR: "2nd generation two port BRI voice interface daughtercard" PID: VIC2-2BRI-NT/TE , VID: V03 , SN: FOC16326K2U NAME: "2nd generation two port BRI voice interface daughtercard on Slot 0 SubSlot 1", DESCR: "2nd generation two port BRI voice interface daughtercard" PID: VIC2-2BRI-NT/TE , VID: V03 , SN: FOC16326K6F NAME: "2nd generation two port BRI voice interface daughtercard on Slot 0 SubSlot 2", DESCR: "2nd generation two port BRI voice interface daughtercard" PID: VIC2-2BRI-NT/TE , VID: V03 , SN: FOC15492F5P NAME: "2nd generation two port BRI voice interface daughtercard on Slot 0 SubSlot 3", DESCR: "2nd generation two port BRI voice interface daughtercard" PID: VIC2-2BRI-NT/TE , VID: V03 , SN: FOC16326K9L NAME: "PVDM3 DSP DIMM with 32 Channels on Slot 0 SubSlot 4", DESCR: "PVDM3 DSP DIMM with 32 Channels" PID: PVDM3-32 , VID: V01 , SN: FOC16392D4G NAME: "PVDM3 DSP DIMM with 16 Channels on Slot 0 SubSlot 5", DESCR: "PVDM3 DSP DIMM with 16 Channels" PID: PVDM3-16 , VID: V01 , SN: FOC16277ZL1 NAME: "C2921/C2951 AC Power Supply", DESCR: "C2921/C2951 AC Power Supply" PID: PWR-2921-51-AC , VID: V03 , SN: DCA1630K0DP Here is "show dsp-group all": DSP groups on slot 0: dsp 1: State: UP, firmware: 32.1.0 Max signal/voice channel: 32/32 Max credits: 480, Voice credits: 15, Video credits: 465 num_of_sig_chnls_allocated: 0 Transcoding channels allocated: 0 Group: FLEX_GROUP_VOICE, complexity: FLEX Shared credits: 15, reserved credits: 0 Signaling channels allocated: 0 Voice channels allocated: 0 Credits used (rounded-up): 0 Group: FLEX_GROUP_VIDEO_POOL, complexity: FLEX Video Credits Max: 465, Share: 465, Reserved (rounded-up): 0 num_video_bridge: 0, num_video_codec: 0 num_audio_xcoder: 0, num_synvideo: 0, num_vqm: 0 Slot: 0 Device idx: 0 PVDM Slot: 0 Dsp Type: SP2600 dsp 7: State: UP, firmware: 32.1.0 Max signal/voice channel: 16/16 Max credits: 240, Voice credits: 240, Video credits: 0 num_of_sig_chnls_allocated: 16 Transcoding channels allocated: 0 Group: FLEX_GROUP_VOICE, complexity: FLEX Shared credits: 240, reserved credits: 0 Signaling channels allocated: 16 Voice channels allocated: 0 Credits used (rounded-up): 0 Slot: 0 Device idx: 0 PVDM Slot: 1 Dsp Type: SP2600 slot 0: total video credits: 465; reserved/used: 0 (0%) DSP groups on slot 1: This command is not applicable to slot 1 0 DSP resource allocation failure I want to setup as follows: voice-card 0 voice-service dsp-reservation 34 dspfarm dspfarm profile 10 conference video homogeneous codec g711ulaw codec g711alaw codec g729ar8 codec g729abr8 codec g729r8 codec g729br8 codec h264 cif frame-rate 30 bitrate 320kbps associate application SCCP shutdown <0-0> Number of sessions assigned to this profile dspfarm profile 10 conference video homogeneous codec g711ulaw codec g711alaw codec g729ar8 codec g729abr8 codec g729r8 codec g729br8 codec h264 cif frame-rate 30 bitrate 320kbps associate application SCCP shutdown When I now try to set maximum-sessions: <0-0> Number of sessions assigned to this profile Any ideas, why this is not working? Thanks for help! Florian
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Labels:
QSIG to HiPath no name display
in IP Telephony and Phones
09-26-2012
01:38 PM
09-26-2012
01:38 PM
Hi, have to reopen this old thread.... We are using CUCM 9.0.1.1000-37, which is the release of CUCM 9. We have an ECMA-QSIG-trunk between CUCM and HiPath 4000. There are not caller-names displayed on the Siemens side. On CUCM-phones we get the display-names. Is it possible, that this bug reappeared in the release 9.0.1.1000-37 Regards Florian
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Created by
Florian Zahn
in Security Documents
in Security Documents
02-08-2012
11:20 PM
02-08-2012
11:20 PM
Hi, i am currently doing first tests with my ASA running ASA8.4.3 and IPv6 connectivity. It seems to work fine, but I think there is one major feature missing: DHCPv6: There is no way to assign a DNS server to my clients: The ASA does not support DHCPv6, so it is not possible to assign a DNS-server by stateless DHCP Unfortunately it is also not possible to use a separate DHCP server in the same subnet, because the ASA does not support the "O"-flag in the router advertisements, so clients will not ask a separate dhcp server I have no idea, why this so important feature is not supported in the ASA. According to a TAC engineer there are currently no plans to implement this. So currently the IPv6 support is disappointing me... Regards Florian
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Labels:
Created by
Florian Zahn
in VPN and AnyConnect
in VPN and AnyConnect
05-21-2010
12:41 AM
05-21-2010
12:41 AM
Hi, we have also the same issue.... We also opened a Cisco-case regarding this... Best regards Florian
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Created by
Florian Zahn
in VPN and AnyConnect
in VPN and AnyConnect
03-18-2010
08:10 AM
03-18-2010
08:10 AM
Currently the ASA does not port forwarding via a proxy-server. So using the plugins or using smart-tunnels or using citrix application via clientless-vpn is not supported via proxy server. Cisco does not thingk about a bug regarding this and thinks, this is an enhancement request:CSCtb61501 I already opend some cases regarding this, but no success until now
... View more
05-05-2017
Hi, i had the same issue: Jabber-users could see status of S4B-users
S4B-users could not see status ...
08-30-2016
Hi Wayne, i do not agree to that. It was and it is always best practice
to hide administrative inter...
06-01-2016
Hello, is there a way to let our users use proxmity without exposing the
admin-interface of our tele...
05-18-2015
Hi, we use the chat-integration of social-miner in our UCCX.It works
fine, but our agens are unhappy...
Created by
Florian Zahn
in IP Telephony and Phones
10-18-2013
10-18-2013
Hi,to your initial statement: MGCP-calls are not preserved, because L3
is backhauled to the CUCM. So...
Created by
Florian Zahn
in Unified Communications Infrastructure
02-11-2013
02-11-2013
I found a solution by myself:When logged on on CUPS and not on CUCM ,
then Jabber for iPad does not ...
Created by
Florian Zahn
in Unified Communications Infrastructure
02-11-2013
02-11-2013
Hi,old thread, but......could you solve this issue?I have the same: when
Jabber for iPad is logged o...
Created by
Florian Zahn
in IP Telephony and Phones
11-08-2012
11-08-2012
hi Roger,thanks for the explanation, but I do still think, that I should
be able to setup a video co...
Created by
Florian Zahn
in IP Telephony and Phones
11-08-2012
11-08-2012
Hi Roger,I think the thing with the DSP cores is not valid anymore for
PVDM3:Q.Can conferencing, tra...
11-04-2012
We have the same setup and it is working for us.Is it possible to get a
connection to the adfs serve...
Created by
Florian Zahn
in IP Telephony and Phones
11-04-2012
11-04-2012
Hi Roger,As I already wrote, I have 48 DSP and according DSP Calculator
40. DSP should be enough. I ...
Created by
Florian Zahn
in IP Telephony and Phones
11-03-2012
11-03-2012
Hi Roger,thanks for this information about the "b"-codecs... I will
remote them.But I can still not ...
Created by
Florian Zahn
in IP Telephony and Phones
11-03-2012
11-03-2012
Hi Chris,I tried so set a lower value for "voice-service
dsp-reservation", but 34 was the lowest pos...
Created by
Florian Zahn
in IP Telephony and Phones
11-03-2012
11-03-2012
Hi Chris,thanks for your reply.4 BRI-cards are 4x2x2 channels = 16 G.711
channels (low complexity sh...
Public Statistics
| Date Registered | 07-06-2005 05:25 AM |
| Date Last Visited | 04-12-2018 01:09 PM |
| Total Messages Posted | 40 |
| Total Helpful Votes Received | 15 |
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