16 Jan
2007
16 Jan
'07
3:44 p.m.
Hi,
there were some fixes regarding ACK matching in case of spiralling (not
sure it is your case) - please update from CVS and if the problem
persists, as Klaus suggested, posting a net trace will be the most relevant.
regards,
bogdan
T.R. Missner wrote:
Ion,
As you noted the problem here is the missing ACK.
Why the ACK is not being forwarded is impossible to tell without looking at
the actual signaling.
Compare the ACK that is failing to proxy to an ACK that works correctly,
look for differences in RURI or Route headers. My guess would be your UA is
not honoring record-route headers or similarly misbehaves.
Tearing down a call due to a missing ACK is normal behavior.
Hope this helps,
tr
On 1/16/07 3:48 AM, "Ion Minzu" <ion.minzu(a)cts.md> wrote:
Hello,
I have a problem: When someone begins a call from PSTN to my voip
network, the session interrupts after 30 secconds. The UA don't receive
the ACK message(6)[the ACK doesn't arrive].The scheme below indicate this
situation.
P.S. This situation happens just with one type of equipment: atcom
AG468; with other equipment (atcom AT320ED, audiocodes, atcom AG168)
all works fine.
Very strange.
Thunks.
|cisco-gateway| | openser | |UA's|
X.X.X.X - public ip adress eth0-X.X.X.Y - public IP 172.17.6.0/24
| eth1-172.17.6.2 |
| Invite | Invite |
1 |------------------------------->|----------------------------->|
| Trying | Trying |
2 |<-------------------------------|<-----------------------------|
| Ringing | Ringing |
3 |<-------------------------------|<-----------------------------|
| PRACK | |
4 |------------------------------->| |
| 200 ok | 200 ok |
5 |<-------------------------------|<-----------------------------|
| ACK | |
6 |------------------------------->| |
|................................|..............................|30 s
| Bye | Bye |
7 |<-------------------------------|<-----------------------------|
| 200 OK | |
|------------------------------->| |
| | |
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