For the SIP client. I just can't imagine using a SIP client over a
connection that has 250+ ms response times. If I make it go online to the
802.11 networks, I can use the SIP Client with ULaw and get high quality SIP
calls at any hotspot. I wouldn't do this for every hot spot, but it'd be a
nice feature to have for when I'm in other countries, or I'm in an area
where Verizon has no coverage or their reception is terrible. Maybe even a
supplement for when I'm running low on minutes.
When I'm at home, could use it like a Cordless phone. Work off my house
line, which is tied in through my Asterisk server. To be honest, it's just a
kewl feature and a neat thing to do with the phone, what can I say, I'm a
geek like that, hehe. The Verizon plan is coming from my work, so I don't
want to put TOO many personal calls on it.
Even with the EVD Network (2nd stage rollout), the ping responses are going to be 250+ ms. Also, I don't think these phones support 2nd stage, only Stage 1, 1xRTT. I'd have to get a new phone or something.
As far as the laptop, there are times when I can do things easier from my
laptop. Full sized keyboard, access to all my documents, etc. Right now I'm
used to plugging my laptop into my Sprint phone. So whenever I want to do
SSH or email, I have to use the laptop. Not used to having a PDA, nor one
that can go online on the click of a button. You're probably right, with the
PDA features, me needing to make my laptop go online through the phone will
probably be 5-10% of what it used to be.
Which codec should be used for 250ms response times? G729A?
Actually, you would want to use g711 (ulaw). It has the least amount of codec-imposed latency. I think that it is 1.5ms, while G729 is 15ms. Basically:
high bandwidth, high latency: g711 low bandwidth, low latency: g729
-- Kristian Kielhofner
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