[cisco-voip] AS5300 PRI ISDN voice call problem

Wed Feb 9 09:54:01 EST 2005

Hi Paul,

I see a couple of hits on this.
the most relevent says you need an inbound dial-peer configured with 
direct inward dial.

http://www.cisco.com/en/US/partner/tech/tk652/tk90/technologies_tech_note09186a008010fed1.shtml
http://www.cisco.com/en/US/partner/tech/tk652/tk90/technologies_tech_note09186a0080147524.shtml

/Wes

Paul Gani wrote:

>I have an AS5300 running:
>
>System image file is "flash:c5300-is-mz.123-12.bin"
>4 Channelized T1/PRI port(s)
>48 DSP(s), 48 Voice resource(s)
>
>Slots 1 and 2 have identical VFCs:
>      VCWare Version     :  11.41
>      ROM Monitor Version:  1.3
>      DSPWare Version    :  4.1.41
>      Technology         :  C542
>VCWare/DSPWare version compatibility OK
>
>I have one of the T1s hooked up to an Excel voice switch.  My goal is to 
>receive voice calls from the switch via the T1 PRI, and send them out VoIP 
>to another device.
>
>I believe the PRI signaling is set up correctly.  A "sh isdn status" gives
>me "MULTIPLE_FRAME_ESTABLISHED" and a "debug isdn Q921" gives me regular:
>
>Feb  9 14:00:13: ISDN Se0:23 Q921: User TX -> RRp sapi=0 tei=0 nr=3
>Feb  9 14:00:13: ISDN Se0:23 Q921: User RX <- RRp sapi=0 tei=0 nr=4
>
>messages.  Also, a "sh isdn service" gives me:
>
>PRI Channel Statistics:
>ISDN Se0:23, Channel [1-24]
>   Configured Isdn Interface (dsl) 0
>    Channel State (0=Idle 1=Proposed 2=Busy 3=Reserved 4=Restart 5=Maint_Pend)
>     Channel :  1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4
>     State   :  0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3
>    Service State (0=Inservice 1=Maint 2=Outofservice 8=MaintPend 9=OOSPend)
>     Channel :  1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4
>     State   :  0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
>
>Unfortunately, test calls appear to fail.  Here is an example with "debug
>isdn Q931":
>
>Feb  9 14:33:31: ISDN Se0:23 Q931: RX <- SETUP pd = 8  callref = 0x0019
>         Bearer Capability i = 0x8090A2
>                 Standard = CCITT
>                 Transfer Capability = Speech
>                 Transfer Mode = Circuit
>                 Transfer Rate = 64 kbit/s
>         Channel ID i = 0xA98381
>                 Exclusive, Channel 1
>         Net Specific Fac i = 0x04A1323838E3
>         Calling Party Number i = 0x2080, '301497xxxx'
>                 Plan:Unknown, Type:National
>         Called Party Number i = 0xC0, '4231301318xxxx'
>                 Plan:Unknown, Type:Subscriber(local)
>Feb  9 14:33:31: ISDN Se0:23 **ERROR**: accept_incoming_csm_call: modem
>problem Requested circuit/channel not available(0x2C): b channel 0, call 
>id 0x3
>Feb  9 14:33:31: ISDN Se0:23 Q931: TX -> CALL_PROC pd = 8  callref = 0x8019
>         Channel ID i = 0xA98381
>                 Exclusive, Channel 1
>Feb  9 14:33:31: ISDN Se0:23 Q931: TX -> DISCONNECT pd = 8  callref = 0x8019
>         Cause i = 0x80AC - Requested circuit/channel not available
>Feb  9 14:33:31: ISDN Se0:23 Q931: RX <- RELEASE pd = 8  callref = 0x0019
>Feb  9 14:33:31: ISDN Se0:23 Q931: TX -> RELEASE_COMP pd = 8  callref = 0x8019
>
>I can't figure out why I'm getting the "**ERROR**: accept_incoming_csm_call: modem problem".
>
>My IOS is configured as such:
>
>version 12.3
>!
>logging buffered 65535 debugging
>!
>resource-pool disable
>!
>isdn switch-type primary-5ess
>!
>voice rtp send-recv
>!
>voice class codec 1
>  codec preference 1 g729r8 bytes 40
>  codec preference 2 g723r63 bytes 48
>!
>fax interface-type fax-mail
>!
>controller T1 0
>  framing esf
>  clock source line primary
>  linecode b8zs
>  cablelength short 133
>  pri-group timeslots 1-24
>!
>controller T1 1
>  framing sf
>  clock source line secondary 1
>  linecode ami
>  cablelength short 133
>  ds0-group 1 timeslots 1-24 type e&m-fgb mf dnis
>!
>controller T1 2
>  framing esf
>  clock source line secondary 2
>  linecode b8zs
>  ds0-group 2 timeslots 1-24 type e&m-fgb mf dnis
>  description *** apollo 4 unicall ***
>!
>controller T1 3
>  shutdown
>  framing sf
>  clock source line secondary 3
>  linecode ami
>  ds0-group 3 timeslots 1-24 type e&m-fgb mf dnis
>!
>interface Ethernet0
>  no ip address
>  no ip route-cache
>  no ip mroute-cache
>  shutdown
>!
>interface Serial0
>  no ip address
>  no ip route-cache
>  no ip mroute-cache
>  shutdown
>  clockrate 2015232
>  no fair-queue
>!
>interface Serial1
>  no ip address
>  no ip route-cache
>  no ip mroute-cache
>  shutdown
>  clockrate 2015232
>  no fair-queue
>!
>interface Serial2
>  no ip address
>  no ip route-cache
>  no ip mroute-cache
>  shutdown
>  clockrate 2015232
>  no fair-queue
>!
>interface Serial3
>  no ip address
>  no ip route-cache
>  no ip mroute-cache
>  shutdown
>  clockrate 2015232
>  no fair-queue
>!
>interface Serial0:23
>  no ip address
>  isdn switch-type primary-5ess
>  isdn incoming-voice modem
>  no isdn outgoing ie redirecting-number
>  no isdn incoming alerting add-PI
>  no cdp enable
>!
>interface FastEthernet0
>  ip address XXX...
>  no ip route-cache
>  no ip mroute-cache
>  duplex auto
>  speed auto
>  no cdp enable
>  h323-gateway voip interface
>  h323-gateway voip bind srcaddr XXX...
>!
>ip classless
>ip route 0.0.0.0 0.0.0.0 XXX...
>no ip http server
>!
>voice-port 1:1
>  echo-cancel coverage 16
>!
>voice-port 2:2
>  echo-cancel coverage 16
>!
>voice-port 3:3
>  echo-cancel coverage 16
>!
>voice-port 0:D
>!
>dial-peer voice 20805 voip
>  destination-pattern 423T
>  session target ipv4:XXX...
>  tech-prefix 423
>  codec g729br8
>!
>gateway
>!
>end
>
>Any help would be appreciated.  Please note, I have already tried this:
>
>AS5300T1#config t
>Enter configuration commands, one per line.  End with CNTL/Z.
>AS5300T1(config)#interface Serial0:23
>AS5300T1(config-if)#isdn incoming-voice voice
>                                         ^
>% Invalid input detected at '^' marker.
>
>AS5300T1(config-if)#isdn incoming-voice ?
>   data   Incoming voice calls will be handled as data.
>   modem  Incoming voice calls will be handled as modems.
>
>AS5300T1(config-if)#isdn incoming-voice
>
>but as you can see, "voice" is not an available option.
>
>My boss thinks the ISDN might be fine, and I have a dial-peer problem, but 
>a packet sniff shows no outgoing ethernet packets during a test call, so I 
>don't think it is even getting to the dial-peer part.
>
>Thanks,
>Paul Gani
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