VOIP Call History Data
(SM-Pro-VOIPcalls)
(SM-ProUpd-VOIPcalls)
(SM-ProPlus-VOIPcalls)
Solution Introduction & Details Overview:
This solution presentation focuses on voice call accounting based in turn on gathering call details and statistics capabilities built into the operating systems of all router network devices which are essential in managing telecoms, service provider, and small to large enterprise VOIP network service delivery to their prospective users and clients.
It introduces an SOSL based management script to build a management process to monitor and account all recorded voice over IP calls using the SNMP Protocol as an interface to retrieve/poll call related data and statistics.
The following table describes data and information that can be applied to call accounting management process.
|
Data |
Description |
|
Voice over Telephony peer specific information required to
accept voice calls |
This
includes information such as:
Ø
The
session target and session Protocol.
Ø
The
desired as well as the acceptable QoS levels.
Ø
The
Coder Rate and Coder bytes. Ø The IP Precedence setting. |
|
Voice Call information |
Information
that reports on the router's recorded Calls data: Ø Time when each call was first setup and the Time for which each Call was connected. Ø The number to which each call was connected. Ø The sub-address number to which each call was connected. Ø The Call Id value of the peer Device to which this Call was made. Ø This is the Voice interface description of the peer Device to which this call was made. Ø This is the Voice interface description of the logical interface through which each call was made. Ø The cause value associated with each Call. Ø Time when each call was disconnected. Ø Each of the Call’s origin. Ø Each of the Call’s Charged Units detected –if available- Ø Each of the Call’s information type. Ø The number of packets and bytes which were transmitted during each Call. Ø The number of packets and bytes which were received during each Call. |
|
Monitored VOIP Call information extensions to IETF Dial Control information |
Information
that reports on the VOIP Call operations summary statistics data over 60
minutes: Ø The global Call identifier for each of the gateway Calls. Ø Duration of Transmit path open from Call peer to the voice gateway for each call. Ø Voice and Fax components Duration for each Call. This is important for calculating the each of the Voice and Fax Utilization Rates of each of the Calls. Ø The negotiated coder rate which specifies the transmit rate of voice/fax compression to its associated call leg for each of the calls. Ø The average ACOM level for each of the calls. Ø The Session Target of the peer that is used for each Call via a telephony interface. Ø The number of FAX related image pages either received or transmitted via the peer for each of the Calls. |
|
Monitored
VOIP Call information extensions to IETF Dial Control information.
It contains VOIP call leg information about each of the VOIP call destinations and the selected QoS data for the each call leg |
Ø The global call identifier for the gateway call. Ø Remote system IP address for the call. Ø Remote system UDP listener port to which to transmit voice packets for the call. Ø The voice packet round trip delay between local and the remote system on the IP backbone during the call. Ø The selected RSVP QoS for the call. Ø The session protocol to be used for Internet call between local and remote router via IP backbone. Ø The Session Target of the peer that is used for each Call via the Voice over IP Call. Ø Duration of voice play-out from data received on time for this call. Ø Duration of voice signal replaced with signal played out during silence due to voice data not received on time (or lost) from voice gateway this call. Ø Duration of voice signal played out with signal synthesized from parameters or samples of data preceding in time due to voice data not received on time (or lost) from voice gateway for this call. Ø Duration of voice signal played out with signal synthesized from parameters or samples of data preceding and following in time due to voice data not received on time (or lost) from voice gateway for this call. Ø Duration of voice signal played out with signal synthesized from redundancy parameters available due to voice data not received on time (or lost) from voice gateway for this call. Ø Both the high and low water marks Voice Play-out FIFO Delay during each of the voice calls Ø The average Play-out FIFO Delay plus the decoder delay during the voice call. Ø Voice Activity Detection feature status for each of the voice calls. Ø The negotiated coder rate which specifies the transmit rate of voice/fax compression to its associated call leg for each of the calls. Ø The Calculated Planning Impairment Factor (Icpif) of the call that is associated to this call leg. Ø The number of lost voice packets during the call. Ø The number of received voice packets that have arrived too early to store in jitter buffer during the call and the number of those voice packets that have late to play-out with CODEC during each of the calls. Ø Poor Voice quality Alarm for those calls with this condition. Ø The payload size of the voice packet. Ø The type of in-band signalling used on each call. |
| VOIP Call History Data Index Page |
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