[Asterisk-video] 3G Video Call PRI Debug Output

[Mitul Limbani]

Hi Klaus,

Quoting Klaus Darilion <klaus.mailinglists at pernau.at>:

> H324M is "tunneled" through Asterisk as voice, thus it uses a  
> certain codec. Often there are problems if for some reason the  
> Asterisk does codec translation and thus destroys the digital H324M  
> stream.
>
> While the call is hanging in H324m_gw_answer() debug the channels:
>> core show channels
> you should see the incoming and the local pseudo channel
>
> Then analyze the channels (you can use the [tab] key to autocomplete  
> the channel names) - take a look which codecs they use and if they  
> match:

Output of core show channels and core show channel Local/xxxxx,1 -  
core show channel Local/XXXX,2 and core show channel DAHDI/1-1

ubuntu*CLI> show channels
Channel              Location             State   Application(Data)
Local/peeloon at 3gp_vi peeloon at 3gp_videos:1 Up      h324m_gw_answer()
Local/peeloon at 3gp_vi peeloon at 3gp_videos:1 Up      (None)
DAHDI/1-1            7642 at from-pstn:1     Up      h324m_gw(peeloon at 3gp_videos)
3 active channels
2 active calls
The 'show channels' command is deprecated and will be removed in a  
future release. Please use 'core show channels' instead.
ubuntu*CLI> show ch
channel       channels      channeltypes  channeltype
ubuntu*CLI> show channel Lo
Local/peeloon at 3gp_videos-3a75,2  Local/peeloon at 3gp_videos-3a75,1
ubuntu*CLI> show channel Local/peeloon at 3gp_videos-3a75,2
  -- General --
            Name: Local/peeloon at 3gp_videos-3a75,2
            Type: Local
        UniqueID: 1291298595.120
       Caller ID: 9869173860
  Caller ID Name: (N/A)
     DNID Digits: (N/A)
           State: Up (6)
           Rings: 0
   NativeFormats: 0x182000 (amr|h263|h263p)
     WriteFormat: 0x2000 (amr)
      ReadFormat: 0x2000 (amr)
  WriteTranscode: No
   ReadTranscode: No
1st File Descriptor: -1
       Frames in: 0
      Frames out: 0
  Time to Hangup: 0
    Elapsed Time: 0h0m15s
   Direct Bridge: <none>
Indirect Bridge: <none>
  --   PBX   --
         Context: 3gp_videos
       Extension: peeloon
        Priority: 1
      Call Group: 0
    Pickup Group: 0
     Application: h324m_gw_answer
            Data: (Empty)
     Blocking in: ast_waitfor_nandfds
   CDR Variables:
level 1: dnid=
level 1: clid=9869173860
level 1: src=9869173860
level 1: dst=peeloon
level 1: dcontext=3gp_videos
level 1: channel=Local/peeloon at 3gp_videos-3a75,2
level 1: lastapp=h324m_gw_answer
level 1: start=2010-12-02 19:33:15
level 1: answer=2010-12-02 19:33:15
level 1: duration=0
level 1: billsec=0
level 1: disposition=ANSWERED
level 1: amaflags=DOCUMENTATION
level 1: uniqueid=1291298595.120

ubuntu*CLI> show channel Local/peeloon at 3gp_videos-3a75,1
  -- General --
            Name: Local/peeloon at 3gp_videos-3a75,1
            Type: Local
        UniqueID: 1291298595.119
       Caller ID: 9869173860
  Caller ID Name: (N/A)
     DNID Digits: (N/A)
           State: Up (6)
           Rings: 0
   NativeFormats: 0x182000 (amr|h263|h263p)
     WriteFormat: 0x2000 (amr)
      ReadFormat: 0x2000 (amr)
  WriteTranscode: No
   ReadTranscode: No
1st File Descriptor: -1
       Frames in: 2
      Frames out: 0
  Time to Hangup: 0
    Elapsed Time: 0h0m17s
   Direct Bridge: <none>
Indirect Bridge: <none>
  --   PBX   --
         Context: 3gp_videos
       Extension: peeloon
        Priority: 1
      Call Group: 0
    Pickup Group: 0
     Application: (N/A)
            Data: (None)
     Blocking in: (Not Blocking)
   CDR Variables:
level 1: dnid=
level 1: dst=peeloon
level 1: dcontext=3gp_videos
level 1: channel=Local/peeloon at 3gp_videos-3a75,1
level 1: start=2010-12-02 19:33:15
level 1: duration=0
level 1: billsec=0
level 1: disposition=NO ANSWER
level 1: amaflags=DOCUMENTATION
level 1: uniqueid=1291298595.119

ubuntu*CLI> show channel DAHDI/1-1
  -- General --
            Name: DAHDI/1-1
            Type: DAHDI
        UniqueID: 1291298595.118
       Caller ID: 9869173860
  Caller ID Name: (N/A)
     DNID Digits: 7642
           State: Up (6)
           Rings: 1
   NativeFormats: 0x4 (ulaw)
     WriteFormat: 0x4 (ulaw)
      ReadFormat: 0x4 (ulaw)
  WriteTranscode: No
   ReadTranscode: No
1st File Descriptor: 20
       Frames in: 1035
      Frames out: 1031
  Time to Hangup: 0
    Elapsed Time: 0h0m21s
   Direct Bridge: <none>
Indirect Bridge: <none>
  --   PBX   --
         Context: from-pstn
       Extension: 7642
        Priority: 1
      Call Group: 0
    Pickup Group: 0
     Application: h324m_gw
            Data: peeloon at 3gp_videos
     Blocking in: ast_waitfor_nandfds
       Variables:
CALLEDTON=65
PRIREDIRECTREASON=UNKNOWN
ANI2=0
TRANSFERCAPABILITY=DIGITAL

   CDR Variables:
level 1: dnid=7642
level 1: clid=9869173860
level 1: src=9869173860
level 1: dst=7642
level 1: dcontext=from-pstn
level 1: channel=DAHDI/1-1
level 1: lastapp=h324m_gw
level 1: lastdata=peeloon at 3gp_videos
level 1: start=2010-12-02 19:33:15
level 1: answer=2010-12-02 19:33:16
level 1: duration=0
level 1: billsec=0
level 1: disposition=ANSWERED
level 1: amaflags=DOCUMENTATION
level 1: uniqueid=1291298595.118

 From the above, I can however see that the NativeFormats are amr|h263|h263p

Do not know whats the problem, mebbe you can suggest me further,

Regards,
Mitul Limbani
Enterux Solutions,
www.enterux.com
+91-9820332422