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| Overview : | |
Exinda can classify Session Initiation Protocol (SIP) Voice over IP (VoIP) calls and perform call based classification based on IP phone extensions within the corporate network. Exinda can monitor SIP VoIP calls being made from and/or to the office location. VoIP calls within a corporate setup are initiated by the SIP protocol followed by Real-time Transport Protocol (RTP) to carry the voice data.
Exinda statefully tracks the SIP call setup process and classifies call requests from the details available. Classification during initiation includes details in the form of Private Branch eXchange (PBX) extensions of caller and receiver, CODEC to be used for RTP voice data during conversation and network level data e.g., bytes transferred and data rates of voice data transmission.
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Image 1 : Per extension drill down analysis | |
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Configuration Modes : | |
In VoIP, the digital signal processor (DSP) segments the voice signal into frames and stores them in voice packets. These voice packets are transported using IP in compliance with one of the specifications for transmitting multimedia (voice, video, fax and data) across a network: H.323 (ITU), MGCP (level 3, Bellcore, Cisco, Nortel), MEGACO/H.GCP (IETF), SIP (IETF), T.38 (ITU), SIGTRAN (IETF), Skinny (Cisco), etc. The only specification supported by Exinda at this stage is the Session Initiation Protocol (SIP). Hence only the voice calls made using SIP would be classified by Exinda.
Coders are used for efficient bandwidth utilization. Different coding techniques for telephony and voice packet are standardized by the ITU-T in its G-series recommendations: G.723.1, G.729, G.729A etc. The coder-decoder compression schemes (CODECs) are enabled for both ends of the connection and the conversation proceeds using Real-Time Transport Protocol/User Datagram Protocol/Internet Protocol (RTP/UDP/IP) as the protocol stack. Exinda VoIP monitoring is independent of the CODEC in use for encoding or decoding the voice data sent using RTP.
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Image 2 : Real Time Call Analysis | |
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Features : | |
VoIP Overview Summary
Detailed (drill-down) SIP VoIP call monitoring. (image 1)
Realtime SIP VoIP call monitoring. (image 2)
VoIP Reporting - On demand and Scheduled PDF reports
Detailed (drill-down) SIP VoIP Call Monitoring
Under Monitor | Applications, where ’sip-rtp’ appears, there is a link next to it called ’View Calls’. This will take you to a list of SIP VoIP calls registered going through the Exinda. From here you can see the top inbound and outbound callers and callees in terms of data transferred. Furthermore, if you click on the link for an individual extension in the list, calls made or received by the extension will be displayed.
Realtime SIP VoIP call monitoring
In the Monitor | RealTime section, the caller and the callee extensions will be displayed next to SIP-RTP traffic if the Exinda has detected the SIP VoIP call specific details.
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Specific VoIP Information : |
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Analysis by : |
- Caller Name
- Caller Number
- Caller Handset IP Address
- Receiver Name
- Receiver Number
- Receiver Handset IP Address
- Codec Type
- Number of Calls - per number
- Number of Calls - total
- Number of Packets
- MB Transfered - total per number
- MB Transfered - per call
- Average Throughput - total per number
- Average Throughput - per call
- Talk Time - Total Sum
- Talk Time - Total per number
- Talk Time - per call
- Talk Time - Total Average
- Talk Time - Average per number
- Top 10 Callers graph
- Top 10 Receivers graph
- Support up to top 1000 callers and 1000 receivers
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- Real Time
- This Hour
- Last Hour
- Today
- Yesterday
- This Week
- Last Week
- This Month
- Last Month
- This Year
- Last Year
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View more details at Exinda website »
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