[Asterisk-video] h324m outbound call - no user information layer 1 in bearer

[Klaus Darilion]

Dawid wrote:
> I got problem with outbound video calls. There is no 'user information 
> layer 1' centent in Bearer Capability header, but i know that should be 
> something like this: 'User information layer 1: H.223/H.245 Multimedia 
> (38)'.
> The LLC header is unnecessary becouse my GSM operator supports only 
> Bearer. Incoming 3g calls working great.
> 
> I've got Asterisk 1.4.22 with llc path, llc patched libpri and Sangoma 
> A104d QUAD T1/E1 AFT card.
> 
> 
> My extensions.conf:
> 
> [from-local]
> exten => _X.,1,h324m_call(${EXTEN}@3Gout)
> 
> [3Gout]
> exten => _X.,1,Set(CHANNEL(transfercapability)=VIDEO)

I do not know by heart, but IIRC I used DIGITAL, not video.

regards
klaus


> exten => _X.,2,NoOp(transfer=${CHANNEL(transfercapability)})
> exten => _X.,3,Set(CHANNEL(userinformationlayer1)=38)
> exten => _X.,4,NoOp(ul1=${CHANNEL(userinformationlayer1)})
> exten => _X.,5,Dial(Zap/g0/${EXTEN})
> 
> [from-pstn]
> exten => _X.,1,h324m_gw(${EXTEN}@video)
> 
> [video]
> exten => _X.,1,Dial(SIP/${EXTEN})
> 
> 
> CLI messages:
> 
> e1-1*CLI> 
>  
> 
>      -- Executing [534543545 at from-sip:1] 
> h324m_call("SIP/21222212-08286f90", "534543545 at 3Gout") in new stack 
> 
>      -- Executing [534543545 at 3Gout:1] 
> Set("Local/534543545 at 3Gout-8419,2", "CHANNEL(transfercapability)=VIDEO") 
> in new stack
>      -- Executing [534543545 at 3Gout:2] 
> NoOp("Local/534543545 at 3Gout-8419,2", "transfer=VIDEO") in new stack 
> 
>      -- Executing [534543545 at 3Gout:3] 
> Set("Local/534543545 at 3Gout-8419,2", "CHANNEL(userinformationlayer1)=38") 
> in new stack
>      -- Executing [534543545 at 3Gout:4] 
> NoOp("Local/534543545 at 3Gout-8419,2", "ul1=38") in new stack 
> 
>      -- Executing [534543545 at 3Gout:5] 
> Dial("Local/534543545 at 3Gout-8419,2", "Zap/g0/534543545") in new stack 
> 
> -- Making new call for cr 32773 
>  
> 
>      -- digital call, setting user information layer 1 to 38 (0x26) 
>  
> 
>      -- dahdi call: h324musellc=0, ast->userinformationlayer1=38 
>  
> 
>      -- Requested transfer capability: 0x18 - VIDEO 
>  
> 
>  > Protocol Discriminator: Q.931 (8)  len=40 
>  
> 
>  > Call Ref: len= 2 (reference 5/0x5) (Originator) 
>  
> 
>  > Message type: SETUP (5) 
>  
> 
>  > [04 02 88 90]I> 
>  
> 
>  > Bearer Capability (len= 4) [ Ext: 1  Q.931 Std: 0  Info transfer 
> capability: Unrestricted digital information (8) 
> 
>  >                              Ext: 1  Trans mode/rate: 64kbps, 
> circuit-mode (16) 
> 
>  > [18 03 a9 83 81] 
>  
> 
>  > Channel ID (len= 5) [ Ext: 1  IntID: Implicit  PRI  Spare: 0 
> Exclusive  Dchan: 0 
> 
>  >                        ChanSel: As indicated in following octets 
>  
> 
>  >                       Ext: 1  Coding: 0  Number Specified  Channel 
> Type: 3 
> 
>  >                       Ext: 1  Channel: 1 ] 
>  
> 
>  > [6c 0b 21 80 37 32 39 31 30 36 33 36 36] 
>  
> 
>  > Calling Number (len=13) [ Ext: 0  TON: National Number (2)  NPI: 
> ISDN/Telephony Numbering Plan (E.164/E.163) (1) 
> 
>  >                           Presentation: Presentation permitted, user 
> number not screened (0)  '21222212' ] 
> 
>  > [70 0a a1 35 33 34 35 34 33 35 34 35] 
>  
> 
>  > Called Number (len=12) [ Ext: 1  TON: National Number (2)  NPI: 
> ISDN/Telephony Numbering Plan (E.164/E.163) (1)  '534543545' ] 
> 
>  > [a1]e-e1-1*CLI> 
>  
> 
>  > Sending Complete (len= 1)
> q931.c:3326 q931_setup: call 32773 on channel 1 enters state 1 (Call 
> Initiated)
>      -- Called g0/534543545
> < Protocol Discriminator: Q.931 (8)  len=10
> < Call Ref: len= 2 (reference 5/0x5) (Terminator)
> < Message type: CALL PROCEEDING (2)
> < [18 03 a9 83 81]
> < Channel ID (len= 5) [ Ext: 1  IntID: Implicit  PRI  Spare: 0 
> Exclusive  Dchan: 0
> <                        ChanSel: As indicated in following octets
> <                       Ext: 1  Coding: 0  Number Specified  Channel Type: 3
> <                       Ext: 1  Channel: 1 ]
> -- Processing IE 24 (cs0, Channel Identification)
> q931.c:3883 q931_receive: call 32773 on channel 1 enters state 3 
> (Outgoing call  Proceeding)
>      -- Zap/1-1 is proceeding passing it to Local/534543545 at 3Gout-8419,2
> < Protocol Discriminator: Q.931 (8)  len=9
> < Call Ref: len= 2 (reference 5/0x5) (Terminator)
> < Message type: DISCONNECT (69)
> 
> 
> e1-1*CLI> dahdi show channel 1
> Channel: 1-1*CLI>
> File Descriptor: 15
> Span: 1
> Extension:
> Dialing: no
> Context: from-pstn
> Caller ID: 732343433
> Calling TON: 33
> Caller ID name:
> Destroy: 0
> InAlarm: 0
> Signalling Type: ISDN PRI
> Radio: 0
> Owner: <None>
> Real: <None>
> Callwait: <None>
> Threeway: <None>
> Confno: -1
> Propagated Conference: -1
> Real in conference: 0
> DSP: no
> Relax DTMF: yes
> Dialing/CallwaitCAS: 0/0
> Default law: alaw
> Fax Handled: no
> Pulse phone: no
> Echo Cancellation: 0 taps unless TDM bridged, currently OFF
> PRI Flags:
> PRI Logical Span: Implicit
> H324M Signalling: use 'Bearer Capability' IE
> Hookstate (FXS only): Onhook
> 
> 
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