[asterisk-users] Delay after Answer
darryl at moores.ca
Tue Jun 7 10:04:23 CDT 2016
I've seen this sort of thing where a DNS server is programmed in
resolv.conf but is not accessible over the network. Threads get blocked,
and you have to wait for the DNS query to timeout.
On 16-06-07 10:48 AM, Brent Davidson wrote:
> I am having an issue with a couple of phones where they ring, but
> there is a long delay after the phone is picked up before the audio
> My setup:
> * Server running Asterisk 13.9.1, Dahdi 2.11.1 w/ OSLEC
> * Server is CentOS 7
> * Quad core CPU with 16GB Ram
> * 2 Snom 300 phones.
> * NO NAT. Server and phone are on the same subnet with only a
> gigabit switch between them.
> * Digium TDM400 analog card with 2 incoming analog PSTN lines
> When a call comes in, the system answers, IVR plays, caller dials an
> extension, Snom 300 rings, handset picked up. Caller continues to
> hear ringing for another 7 to 10 seconds. Answerer hears a click, a
> quick burst of audio, then silence, then another click and audio is
> I have tried both SIP and RTP debugging and there are absolutely no
> messages indicating any timeout or retransmit. I am at a total loss.
> In the past I've always been able to find an answer to issues like
> this on my own, but this time I just don't know. I was even beginning
> to suspect the network switch might be bad, but pinging between the
> server and the phones shows no packet loss and 0.969ms average
> response time.
> What am I missing*?*
> Brent Davidson*
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