[asterisk-users] Asterisk voice quality tuning

[satish patel]

I have both type of call sip-2-pstn and pstn-2 -sip   but  quality is not  good so  how to check asterisk voice quality and codec quality i am useing G.711 alaw and ulaw and it is my LAN network so is there any specific perameter or option  to improve quality of voice ???

Adrian Marsh <Adrian.Marsh at ubiquisys.com> wrote: Satish,

Whats your network setup? Do you get bad quality on internal-asterisk calls, or only on external calls? Are you making pure IP calls (sip2sip), or are there E1/T1 cards involved? What codecs are you currently using? What devices are you using?

Adrian Marsh
 
________________________________________
From: asterisk-users-bounces at lists.digium.com [mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of satish patel
Sent: 14 September 2007 06:48
To: asterisk-users at lists.digium.com
Subject: [asterisk-users] Asterisk voice quality tuning

Dear all

              I have asterisk 1.4.11 on CentOS. I have SIP IP phone arround 100 but i got Noice on voice call so what would be the resone and how to fine tune my voice quality on asterisk ?? what codec would be best for my asterisk



  
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