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maemo.org - Talk (https://talk.maemo.org/index.php)
-   Nokia N900 (https://talk.maemo.org/forumdisplay.php?f=44)
-   -   How is your SIP voice quality? Skype is ok, but SIP is on the week side. (https://talk.maemo.org/showthread.php?t=39367)

MatMat 2010-01-11 18:51
Re: How is your SIP voice quality? Skype is ok, but SIP is on the week side.
 
Quote:
Originally Posted by R-R (Post 454738)
With which clients have you been getting success ? :)
No clients needed !
Jabber is out of the box in the N900, like skype. :)

RDJEHV 2010-01-19 19:40
Re: How is your SIP voice quality? Skype is ok, but SIP is on the week side.
 
I'm having the same problems , tried calling another skype account I made to test. the account that is calling has decent audio, the one being called very bad audio.
tested using the n900, a computer, two different wifi's and the 3g connection. Tested all the different combinations (including callign with computer to n900 and calling with n900 to computer); problem is very structural. I'm hoping it can be solved soon.

ravioli156 2010-01-19 19:49
Re: How is your SIP voice quality? Skype is ok, but SIP is on the week side.
 
I've tested SIP (not skype, true SIP) many times on N900, and sound was incredibly good, better than on a real phone with a linksys ATA adapter. And my wifi is set to 10mW, not 100.

RDJEHV 2010-01-19 19:53
Re: How is your SIP voice quality? Skype is ok, but SIP is on the week side.
 
it seems the reported bug is phone dependant? will a reflash solve the problem?

rmarcus 2010-01-19 19:58
Re: How is your SIP voice quality? Skype is ok, but SIP is on the week side.
 
The problems I faced with some VOIP providers were mainly a huge delay, 4 to 5 seconds, but with skype that doens't happen, although the rates are not the best, the quality is.

colnago 2010-01-19 20:09
Re: How is your SIP voice quality? Skype is ok, but SIP is on the week side.
 
Quote:
Originally Posted by RDJEHV (Post 482640)
it seems the reported bug is phone dependant? will a reflash solve the problem?
Meh, I'd say its carrier/provider/infrastructure dependent. VoIP quality suffers, and is not recommended on circuits where latency starts reaching 125-150ms. Speed tests via speakeasy.speedtest.net reach that alone, without adding the additional hops going thru SIP provider's authentication, proxies, pbxs, and trunks.

Even the encryption on your local WiFi will add overhead, depending on your router's ability/processing power.

R-R 2010-01-19 20:16
Re: How is your SIP voice quality? Skype is ok, but SIP is on the week side.
 
Quote:
Originally Posted by MatMat (Post 464841)
No clients needed !
Jabber is out of the box in the N900, like skype. :)
hehe i meant on the PC side? Empathy? :-)

RDJEHV 2010-01-19 21:34
Re: How is your SIP voice quality? Skype is ok, but SIP is on the week side.
 
ik ran the speakeasy.speedtest.net diagnostic on the n900 (3g, tmobile, server:amsterdam) result were ping 150, dl 0.66Mb/s, ul0.35Mb/s)

etolil 2011-01-24 12:05
Re: How is your SIP voice quality? Skype is ok, but SIP is on the week side.
 
Quote:
Originally Posted by colnago (Post 454477)
Being a VoIP engineer, and having a few different VoIP and SIP solutions setup on the 900, including Vonage, and a SIP solution that routes through an online pbx trunk, I'd say that call quality is fairly good. The problem I do have however is with "call volume'. This could be masking some audio QoS issues..."
Could you please inform me about setting for SIP provider like Nonoh.net, whatever I tried with my Nokia N900 I could get call at all
Thanks


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