[asterisk-users] 1 second Audio Lag

[Zoa]

Colin,

I'm working for Zoiper, you can contact us directly on support at zoiper.com

Zoa


Nick Brown wrote:
> Do you see the issue when calling between two softphones? Do you see the issue if you call from your mobile into an echo test?
>
> Setting TOS flags on packets will make no difference unless the gear in between is configured to treat them differently. Not that I envision this is the issue at all.
>
> Nick.
>
>
> From: asterisk-users-bounces at lists.digium.com [mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of colin mcdermott
> Sent: Tuesday, 27 July 2010 5:47 PM
> To: asterisk-users at lists.digium.com
> Subject: [asterisk-users] 1 second Audio Lag
>
>
> Hi All (reposting after 24 hours). 
>
> I will do a test call from a soft phone to my mobile. I can speak into my
> headset and the audio is heard instantly. But if I speak into my mobile
> there is a 1-2 second delay in the Audio. I am using SIP.
>
> I am only finding it in the Zoiper Softphones that we are using. We are able to make a call without lag on the X-lite softphone no problem. Sadly the customer is Quite attached to the Zoiper.
>
> I have set QOS = CS5 for both SIP and RTP packets. Altering these settings has no effect to the lag issue.
>
> We have three 24 port Gigabit switches, with the top switch connecting in
> the Asterisk Box. Even the stations plugged into the TOP switch have this
> delay and to the same extent as the other switches. No routers on the loop
>
> I have tried switching the stations to IAX. No effect. I have tried using
> GSM instead of G711 (alaw). No effect. I have about 30 stations. No change under heavy or light load.
>
> I have done a Wireshark trace on the stations and no issues detected when I go analyse on the RTP packets. All sequencing is correct.
>
> Is Zoiper any good? Anyone else had these problems? 
>
>