ISDN PRI Sorunu

Merhabalar,

Bir musterimize IP telefon sistemi kuruyoruz. Callmanager 6.1.2 ve GW 
olarak 3825 ve uzerindeki PRI hattini kullaniyor olacagiz. Karsi 
tarafimizda Turk Telekom'un Alcatel System12 santrali mevcut. 

PRI tanimlarini yaptigimizda PSTN tarafindan araniyoruz fakat IP 
telefonlar PSTN e cikamiyor. ISDN Q931 debug actigimizda ise "0x82EF04 
- Protocol error; unspecified" cause kodunu aliyoruz.

Konfigurasyonumuz asagidaki sekilde :

isdn switch-type primary-net5
!
controller E1 0/2/0
 framing NO-CRC4
 clock source line primary
 pri-group timeslots 1-31 service mgcp
!
voice-port 0/2/0:15
 echo-cancel coverage 24
 cptone TR
!
ccm-manager mgcp
ccm-manager fax protocol cisco
ccm-manager music-on-hold
ccm-manager config server 172.30.0.11
!
mgcp
mgcp call-agent 172.30.0.11 2427 service-type mgcp version 0.1
mgcp dtmf-relay voip codec all mode cisco
mgcp rtp unreachable timeout 1000 action notify
mgcp modem passthrough voip mode nse
mgcp package-capability rtp-package
mgcp package-capability sst-package
mgcp package-capability pre-package
no mgcp package-capability res-package
no mgcp package-capability fxr-package
no mgcp timer receive-rtcp
mgcp sdp simple
mgcp fax t38 ecm
no mgcp explicit hookstate
mgcp rtp payload-type g726r16 static
!

IP telefonlar ile arama yaptigimizdaki debug isdn q931 ciktisi ise su 
sekilde : 

*Feb 10 09:38:17.991: ISDN Se0/2/0:15 Q931: TX -> SETUP pd = 8  
callref = 0x0013

        Sending Complete
        Bearer Capability i = 0x8090A2
                Standard = CCITT
                Transfer Capability = Speech
                Transfer Mode = Circuit
                Transfer Rate = 64 kbit/s
        Channel ID i = 0xA9839F
                Exclusive, Channel 31
        Calling Party Number i = 0x4181, '6362004'
                Plan:ISDN, Type:Subscriber(local)
        Called Party Number i = 0xC1, '05334503256'
                Plan:ISDN, Type:Subscriber(local)
*Feb 10 09:38:18.091: ISDN Se0/2/0:15 Q931: RX <- RELEASE_COMP pd = 8  
callref =
 0x8013
        Cause i = 0x82EF04 - Protocol error; unspecified
3825R1#

Ayn&#305; konfigürasyon ile baska santrallerde (or. DMS) bir sorun 
yasamiyoruz.

Sizce sorun ne olabilir?

Cok tesekkurler, iyi calismalar.

Fatih ERIKCI



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