[SIPForum-discussion] audio problem with G.723, B party can hear properly but A party cannot.

Prakash Singh Chaudhary prakashsinghchaudhary at gmail.com
Tue Oct 22 07:12:01 UTC 2013


Thanks for the reply, G.723 is supported in our SBC and by our egress
carrier as well.
The thing is I am getting voice issues only with this particular carrier
who is using Alcatel Lucent and I have verified in different ethreal traces
and ptime was 30ms for both ingress and egress legs.

Prakash Singh Chaudhary

On Tue, Oct 22, 2013 at 9:58 AM, Gmail <tkekana0 at gmail.com> wrote:

> Hi
> Please check with your IC if they support this G723 codec and check the
> ptime values.
> Regards,
> Tshepo
> Sent from my iPhone
> On 21 Oct 2013, at 3:41 PM, Prakash Singh Chaudhary <
> prakashsinghchaudhary at gmail.com> wrote:
> Hi,
> I am trying one interconnection where i tested calls with G.729 and G.711
> and the calls were successful with good voice quality but if i use G.723
> and make a call, then the B Party is able to hear A properly but the B
> party gets choppy voice.
> If i try G.723 calls with other providers i am not facing this issue.
> In this trace i can see in the RTP summary that from A to B there is a
> packet loss of 99% whereas B to A is 0%, but there are other cases when
> this loss on both sides was 0% then also I faced voice quality problem for
> audio coming from B to A.
> Can Someone throw a light here.
> Thanks & Regards
> Prakash Singh Chaudhary
>  <re.pcap>
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