[cisco-voip] ISDN Call Utilisation - Daily Peak

[Cheng, Karen]

Hi thanks all.

I think the hard part is due to the various trunk-groups on these gateways.

I'll investigate the MIBS thanks guys. Being able to graph current resources would be great. Also hoping to purchase Cisco Service Statistics manager as well which will hopefully provide this functionality.

I also found the voice statistics iec command as well which I might use to report when a call is errorred due to lack of resources. It won't give me a graph but at least it will alert me when there is a problem.

Regards

Karen Cheng
Voice Engineer

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From: Max Pierson [mailto:nmaxpierson at gmail.com]
Sent: Friday, 24 December 2010 4:11 AM
To: Cheng, Karen
Cc: Dennis Heim; cisco-voip at puck.nether.net
Subject: Re: [cisco-voip] ISDN Call Utilisation - Daily Peak

Love replying to one's own thread....

I missed the part where you said "SIP Gateways" ...

I haven't tried to graph/trend SIP, but i'm sure it's no harder than H.323

You'll probably need this MIB   CISCO-SIP-UA-MIB

Here's a link that has all of the available OID's for that MIB ....

https://support.ipmonitor.com/mibs/CISCO-SIP-UA-MIB/oids.aspx

Also, you can utilize traps if you have a receiver ...

50474-2611XM(config)#snmp-server enable traps voice ?
  fallback       Enable SNMP fallback voice traps
  high-ds0-util  Enable SNMP high utilisation of DS0 traps
  low-ds0-util   Enable SNMP low utilisation of DS0 traps
  poor-qov       Enable SNMP poor quality of voice traps

One last option I can think of (quick and dirty as it may be), you could enable accounting for radius and record the entries that way. A little more work involved, but this way gets you exactly what you want to see.

M

On Thu, Dec 23, 2010 at 11:45 AM, Max Pierson <nmaxpierson at gmail.com<mailto:nmaxpierson at gmail.com>> wrote:
What are you using to signal MGCP or H.323 ??  If MGCP, you won't get much from the gateway itself since it's controlled via CCM. You could write a script to ssh/telnet to the gateway and parse a "show voice call stat". Not sure what's pollable on CCM for channel usage.

Otherwise, you could change your signaling to H.323 and that opens up the following OID's to poll via SNMP...

OID's to get the channel usage

- cpmActiveDS0s

- cpmDS1ActiveDS0s

- cpmActiveDS0sHighWaterMark

- cpmDS1ActiveDS0sHighWaterMark



On Wed, Dec 22, 2010 at 9:36 PM, Cheng, Karen <Karen.Cheng at racq.com.au<mailto:Karen.Cheng at racq.com.au>> wrote:
Thanks Dennis,

Unfortunately with SIP gateways there is no real way of differentiating between different trunk-groups in RTMT.

Only thing I can see from RTMT is how many SIP calls are active from 1 call manager server to that gateway total which in the current situation is not helpful as each gateway has multiple ISDN trunk groups attached to them.

But thanks anyways.

Karen Cheng
Voice Engineer


From: Dennis Heim [mailto:Dennis.Heim at cdw.com<mailto:Dennis.Heim at cdw.com>]
Sent: Thursday, 23 December 2010 12:59 PM
To: Cheng, Karen; 'cisco-voip at puck.nether.net<mailto:cisco-voip at puck.nether.net>'
Subject: RE: ISDN Call Utilisation - Daily Peak

The easiest way is to do it via RTMT graphs.

Dennis Heim
Network Voice Engineer
CDW  Advanced Technology Services
11711 N. Meridian Street, Suite 225
Carmel, IN  46032

317.569.4255 Office/Home Office
317.569.4201 Fax
317.694.6070 Cell
dennis.heim at cdw.com<mailto:dennis.heim at cdw.com>
cdw.com/content/solutions/unified-communications/<http://www.cdw.com/content/solutions/unified-communications/>

From: cisco-voip-bounces at puck.nether.net<mailto:cisco-voip-bounces at puck.nether.net> [mailto:cisco-voip-bounces at puck.nether.net<mailto:cisco-voip-bounces at puck.nether.net>] On Behalf Of Cheng, Karen
Sent: Wednesday, December 22, 2010 7:21 PM
To: 'cisco-voip at puck.nether.net<mailto:cisco-voip at puck.nether.net>'
Subject: [cisco-voip] ISDN Call Utilisation - Daily Peak

Hi guys,

Is there anyway to show the peak utilisation of the isdn interfaces from the Cisco router?

We migrated over from Avaya and on there was a command to list measurements trunk-group summary yesterday peak to show whether any interfaces got maxed.

I can't seem to find anything similar on the Cisco router platform.

Regards

Karen Cheng
Voice Engineer







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