[cisco-voip] ISDN No voice..

[Hering, Marc]

Hey everyone, 
I am adding an ISDN PRI line to a 3745 H323 gateway,
 
I configured the D channel and controller settings, We see the line go
into service.  When anyone calls a DID that is attached to the line, The
Calling party only hears dead silence, but the called party's phone
rings, and if you answer no audio.

Eventually the calling party hears a message that you call did not go
through.
A debug of q931 shows a message of 
Jul 19 20:58:22.040: ISDN Se0/0:23 Q931: TX -> CALL_PROC pd = 8  callref
= 0x826
F
        Channel ID i = 0xA9838A
                Exclusive, Channel 10
Jul 19 20:58:32.700: ISDN Se0/0:23 Q931: RX <- DISCONNECT pd = 8
callref = 0x02
6F
        Cause i = 0x83E6333130 - Recovery on timer expiry
Jul 19 20:58:32.700: ISDN Se0/0:23 Q931: TX -> RELEASE pd = 8  callref =
0x826F
 
Not sure what is causing the rcovery on timer expiry message. but I am
stumped.....
 
Here is what I have in my config.. 
controller T1 0/0
 framing esf
 linecode b8zs
 pri-group timeslots 1-24
 description Long Distance T1
!
interface Serial0/0:23
 no ip address
 isdn switch-type primary-4ess
 isdn incoming-voice voice
 isdn nsf-service megacom
 no cdp enable
 
and the dial-peers look like this
 
dial-peer voice 4060 pots
 incoming called-number .T
 direct-inward-dial
 port 0/0:23
!
dial-peer voice 4061 voip
 preference 1
 destination-pattern 40..
 progress_ind setup enable 3
 session target ipv4:******
 incoming called-number .
 dtmf-relay h245-alphanumeric
 codec g711ulaw
 no vad
!
dial-peer voice 4062 voip
 preference 2
 destination-pattern 40..
 progress_ind setup enable 3
 session target ipv4:*****
 incoming called-number .
 dtmf-relay h245-alphanumeric
 codec g711ulaw
 no vad
 
 
What am I doing wrong??
 

Marc Hering

Network Engineer

The Gale Company

100 Campus Drive 

Suite 200

Florham Park, NJ 07932

Direct: 973.301.8209

Fax: 973.236.2150

www.thegalecompany.com <http://www.thegalecompany.com/>
 
 
 
 
 
 
 
The Gale Company is one of the largest real estate companies in the industry with a global portfolio exceeding 60 million square feet of office space.  For more information contact 973-301-9500 or visit www.TheGaleCompany.com 

 

 
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