Hi Brian, Check this one. http://www.manageengine.com/network-monitoring/voip-monitor.html I tested it a couple years ago, on a SPAN port and it showed some usefull info, with drilldown in calls, etc. And MOS too.
Regards Marco Em 12/02/2014 20:38, "Brian Knight" <[email protected]> escreveu: > $DAY_JOB is at a national ISP/NSP where we resell VoIP services. We do > peering with the VoIP carrier at one of our remote POP's. We are looking > for a better way to be able to monitor the handoff of those calls to our > carrier over that peering link. > > We have quite a bit of instrumentation within our walled garden to tell us > about call quality. We can monitor our QOS policies to ensure packets > aren't being dropped by intermediate routers. If the customer uses our > routers to terminate their SIP session, we can pull call quality stats from > those routers as well. We can also use our own office telephones to make > and receive test telephone calls, and we can of course run Wireshark > captures from the switches to which those phones are connected. > > However, we can't say for certain that the customer's RTP traffic actually > made it on the wire connecting us to the VoIP provider, nor can we say that > the traffic is being transmitted and received properly. The peering link > is connected to a Cisco 12k router on our side, so there is no way (afaik) > to mirror the port, as on a switch. > > For the moment, I am envisioning that we'll need to deploy a server > running Wireshark to the remote POP. It will need two network interfaces; > one connected to a management network, the other a capture interface. The > capture interface will connect to a network tap, and the network tap > connected in-line between our router and the patch panel. > > Wireshark is probably adequate for what we need. But I'm wondering if > there is any software or an appliance that would do the job better. Given > the usual details - calling number, called number, date and time - we want > to be able to quickly inspect traffic and dig into the details of the > stream. Do we see any missing packets from the media stream? What is the > MOS score of a particular call? Do we see any missing packets coming from > us? Any missing packets from the provider? > > Alerting on bad call quality would be a nice-to-have addition. > > Any recommendation would be appreciated. Thanks in advance. > > -Brian Knight > > _______________________________________________ > VoiceOps mailing list > [email protected] > https://puck.nether.net/mailman/listinfo/voiceops > >
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