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Tx.I'm looking for a very basic tool that I can run as a once off at the client to test the suitability of the WAN connection for VOIP calls. Typical setup: &lt;-Quintum Device using SIP and pppoe-&gt;-&lt;-ADSL-&gt;-&lt;-Asteris<wbr />k Server-&gt;<br />
Any ideas please?
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Iperf is good enough for you I guess then?
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Ok, but please see: <a href="https://www.experts-exchange.com/questions/24234040/Linux-iperf-udp-test-resulting-in-datagram-error.html" rel="ugc">https://www.experts-exchange.com/questions/24234040/Linux-iperf-udp-test-resulting-in-datagram-error.html</a><br />
Can you help?
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Tx. Please can you help me interpret the results:<br />
1. Why do the Server and Client Bandwidth differ? <br />
2. What ranges of jitter are acceptable for for good voip calls as want to assess the 38% Jitter.<br />
3. What does this tell us? It seems that there is a big problem! &nbsp;<br />
Lost/Total Datagrams <br />
878/ &nbsp;893 (98%)<br />
<br />
Tx<br />

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Tx. that is hard to believe since descent voip calls pass through the server daily. I fear its an issue with iperf... any ideas?
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this could be the case, I really haven't used iperf. I always try to do my tests on the wire. Or if you have cisco phones you can look at them during a live call and see what the true performance is. The problem with that is that it doesn't give you metrics for a 24 hour period.
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Hi, The idea is to run a 24hour test over a data line (e.g. ADSL) and get a report of the quality for voip calls at various times of the day. Any ideas welcome.
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Hi, The idea is to run a 24hour test over a data line (e.g. ADSL) and get a report of the quality for voip calls at various times of the day. Any ideas welcome.

Linux software to test quality of bandwidth over 24 hour period for voip calls

Network analysis is the process of identifying and remediating the processes and systems within a network, including performance, connectivity and security. The process is performed through the use of tools developed for monitoring and analyzing network activity. Network problems that involve finding an optimal way of doing something are studied under the name combinatorial optimization. Examples include network flow, shortest path problem, transport problem, transshipment problem, location problem, matching problem, assignment problem, packing problem, routing problem, Critical Path Analysis and PERT (Program Evaluation & Review Technique).

Network Analysis

Voice over IP (VoIP) is a methodology and group of technologies for the delivery of voice communications and multimedia sessions over Internet Protocol (IP) networks, such as the Internet. Other terms commonly associated with VoIP are IP telephony, Internet telephony, broadband telephony, and broadband phone service. The term specifically refers to the provisioning of communications services (voice, fax, SMS, voice-messaging) over the public Internet, rather than via the public switched telephone network (PSTN).  Examples of the VoIP protocols are H.323, Media Gateway Control Protocol (MGCP), Session Initiation Protocol (SIP), H.248 (also known as Media Gateway Control (Megaco)), Real-time Transport Protocol (RTP), Real-time Transport Control Protocol (RTCP), Secure Real-time Transport Protocol (SRTP), Session Description Protocol (SDP), and Inter-Asterisk eXchange (IAX).

Voice Over IP

IP telephony (Internet Protocol telephony) is a general term for the technologies that use the Internet Protocol's packet-switched connections to exchange voice, fax, and other forms of information that have traditionally been carried over the dedicated circuit-switched connections of the public switched telephone network (PSTN). Using the Internet, calls travel as packets of data on shared lines, avoiding the tolls of the PSTN. The challenge in IP telephony is to deliver the voice, fax, or video packets in a dependable flow to the user.