Call Disconnects after Recovery Timer Expiry.

[svatc]

Did you tried with B channel choice on your side?

my OXE slave in network, EWSD (central city PABX)- master

[tot3nkopf]

Did you tried with B channel choice on your side?

my OXE slave in network, EWSD (central city PABX)- master

Sometimes master forgets to check B channels choice. It doesn't matter who has this option checked (as long as just one side has it). It takes 20 seconds to check this, including trace.
if this doesn't work try to increase timer 310 (double it) on ISDN trunk category (External services).

[svatc]

my network in attachment (txt file)

my isdn network.txt

[tot3nkopf]

my network in attachment (txt file)

my isdn network.txt

Did you tried to increase timer 310?

[svatc]

my network in attachment (txt file)

my isdn network.txt

Did you tried to increase timer 310?

No! thanks to VAD!Timer T310 nothing to do with. VAD said that mobile operator send me bad ALERT

bad ALERT from mobile operator

______________________________________________________________________________
| (465756:001509) Physical-Event :
| long: 31 desti: 0 source: 0 cryst: 0 cpl: 16 us: 0 term: 1 type a5
| tei: 0 >>>> message received : ALERT (01) Call ref : e7 2d
|______________________________________________________________________________
|
| IE:[04] BEARER_CAPABILITY (l=3) 80 90 a3
| IE:[1e] PROGRESS_ID (l=2) 84 88
| IE:[7d] HLC (l=2) 91 81
|______________________________________________________________________________



good ALERT from mobile operator

______________________________________________________________________________
| (766228:000835) Physical-Event :
| long: 18 desti: 0 source: 0 cryst: 0 cpl: 23 us: 0 term: 0 type a5
| tei: 0 >>>> message received : ALERT (01) Call ref : 88 6a
|______________________________________________________________________________


in good ALERT no
IE:[04] BEARER_CAPABILITY (l=3) 80 90 a3 !!!!


i made call to administrator PABX Mobile operator, He corrected it (ALERT)and now all calls are good!
Thanks VAD ,thanks tot3nkopf,my problem is solved, all calls good!
P.S.Thanks Google translate, my english very bad as ALERT mobile operator )

[wanda72]

i have solved this Problem with this information from my e-SR

There is a system parameter to send connect ack after status , when there is HLC in connect

Consult/Modify: System Parameters

Node Number (reserved) : 2
Instance (reserved) : 1
Instance (reserved) : 1
System_Option + Specific EI status for GSM

Specific EI status for GSM + True

This system parameter exists since :

- G1.301.35h
- H1.301.48
- I1.605.23
- J1.410.20