Ask HN: Why isn't VoIP better?

Re:Ask HN: Why isn't VoIP better? by vels on Wednesday March 01, 2017 @12:16PM (#13765758)

Ive seen some enterprise level voip providers in the UK not only provide clients with VOIP systems either on site or a cloud PBX, but also a dedicated leased ADSL line. Usually 2mbps both up / down (They say this is good for about 20 concurrent users). They also connect the the line directly to their voip server, so it dosnt have to make multiple hops.

Never tried one in practice though. We run our voip over our main 200mbps down, 15 up fibre connection. Have QOS and VOIP prioritisation setup on the router, SIP ALG off etc. Seems pretty good, but as you said, if you know what to look for you can always tell your on a voip call.

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Re:Ask HN: Why isn't VoIP better? by Nexxxeh on Wednesday March 01, 2017 @12:31PM (#13765976)

Is that ADSL? If it's 2 up/2 down, is that not SDSL?

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Re:Ask HN: Why isn't VoIP better? by dfox on Wednesday March 01, 2017 @01:45PM (#13766868)

While A in ADSL stands for Asymmetrical, it is primarily name of the used DMT-based technology, S(H)DSL is completely different thing (in fact it is related to 1000-Base-T, but with significantly smaller symbol rate) that does not work across non-dedicated lines (and usually needs carefully selected pairs to work reliably).

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Re:Ask HN: Why isn't VoIP better? by Nexxxeh on Wednesday March 01, 2017 @01:56PM (#13766977)

That's counter-intuitive! TIL, thanks!

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