About dfokin

dfokin · 02-29-2012

Hi all!Currently we need to establish a VoIP link between our CUCM and CUCM of one of our partners. We plan to use an intercluster trunk, but there is one problem: our IP addressing overlaps with IP addressing of our partner, so there is a problem wi...

dfokin · 11-28-2011

Hi!Currently we are running CUCM 7.1.3 without DNS enabled and are quite happy with that. But suddenly we have decided to use SMTP for purposes of alerting. I have configured SMTP address on my servers, but they refused to send e-mails in lack of con...

dfokin · 05-26-2011

Hi!Currenly we are migrating from CUCM 5.0 to 7.1.5. 1200 phones are spread across 20 WAN sites, each site is connected to central site with 2Mbps link. The cluster is located at the central site. Central site has 20 Mbps link to the WAN. During m...

dfokin · 03-24-2011

Hi!Since last update of Russian Numbering Plan passed a long time. Many things are changed since then. Now we are able to choose alternate carrier for the call, the numbering plan was slightly re-arranged, some area codes are no more used. Current Nu...

dfokin · 11-10-2010

Hi!We've got CUCM 5.1 installation. Currently we have a lot of remote locations and we are using distributed model with centralized call processing. From time to time we need to know, how many calls makes each location at a current moment. Is there a...

dfokin · 12-06-2012

Well, it seems, I finally found the root cause of such behaviour.In document http://www.cisco.com/en/US/docs/voice_ip_comm/cucm/admin/8_6_1/ccmsys/a03rp.html (It is for 8.6, but older documents are similar) is stated following about rerouting:When th...

dfokin · 12-06-2012

Chris,We are working with mature, well-documented product. When documentation says: "Changing parameter "A" will affect behaviour "B"", it does not mean, that setting this parameter will affect also behaviour "X". I hope, you understand my idea. It's...

dfokin · 12-06-2012

No, because they are unrelated to my situation.Let me explain:Stop Routing on Unallocated Number Flag: When the parameter is set to True and a call that is being routed to a remote Cisco cluster through a route list is released by a remote Cisco Ca...

dfokin · 12-05-2012

There is no CUBE. SIP link from provider is directly connected to CUCM.

dfokin · 02-29-2012

Hi, Barry and thank you for reply.As far as I know, this solution will envolve additional CPU resources on call processing nodes, and it must be avoided in situations with high call rate. May I accomplish this task using external HW, a 28xx router, f...

Member Since	‎12-23-2005 08:16 AM
Date Last Visited	‎08-18-2017 03:56 AM
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CUCM: Interconnecting two overlapping IP networks

Enabling SMTP on non-DNS cluster

Firmware upgrade issue

How to update Numbering Plan file in CUCM 7.1?

Is it possible to monitor active calls in CUCM?

Re: How to continue routing on SIP 503 Service Unavalable error?

How to continue routing on SIP 503 Service Unavalable error?

How to continue routing on SIP 503 Service Unavalable error?

How to continue routing on SIP 503 Service Unavalable error?

CUCM: Interconnecting two overlapping IP networks