[asterisk-ss7] Outbound DTMF not working with LIBSS7

[Matthew Fredrickson]

Andreas Kaufmann wrote:
> Hi all,
> 
> DTMF is received by * via SIP/RFC2833 and is passed to LIBSS7. However, 
> DTMF is not recognized at the other end. DTMF works fine on the same 
> link when using chan_ss7.
> 
> Are there any configuration options for the DTMF signaling in LIBSS7?

There shouldn't be any issues.  Can you use dahdi-monitor to verify that 
the tones are not actually being sent out on the line when you think 
they should be?

If they aren't please contact me so we can get this fixed.

Matthew Fredrickson
Digium, Inc.

> 
> Setup:
> 
> - asterisk-1.6.0.1
> - dahdi-linux-2.0.0
> - libss7-1.0.2
> - Digium TE220P 2xE1
> 
> 
> /etc/dahdi/system.conf:
> -----------------------
> span=1,1,0,ccs,hdb3,crc4
> span=2,2,0,ccs,hdb3,crc4
> mtp2=1
> bchan=2-31
> bchan=32-62
> 
> loadzone=us
> defaultzone=us
> ------------------------
> 
> 
> chan_dahdi.conf:
> ------------------------
> [trunkgroups]
> 
> [channels]
> 
> context = ss7-incoming  ; dialplan context for incoming calls
> signalling = ss7        ; signalling type
> ss7type = itu           ; itu or ansi if you are using an ANSI link
> linkset = 1             ; pick a number for your linkset identifier
> pointcode = xxxx        ; The decimal form of your point code.
> adjpointcode = yyyy     ; The point code of the switch adjacent to your
> linkset
> defaultdpc = yyyy       ; The point code of the switch you want to send
> your ISUP
>                           ; traffic to.
> ; SS7 group definition
> group = 1               ; for use in dial(dahdi/g1/...)
> networkindicator = national_spare
> ; channel definition
> sigchan = 1
> cicbeginswith = 2
> channel = 2-31
> cicbeginswith = 33      ; thanks Krzysztof :-)
> channel = 32-62
> ---------------------------
> 
> Regards,
> Andreas
> 
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