Peter Svensson wrote:
Ok, then INFORMATION with keypad IE needs to be handled differently from
IE called number.
This is what it looks like with pri intense debug enabled:
< Informational frame:
< SAPI: 00 C/R: 1 EA: 0
< TEI: 000 EA: 1
< N(S): 116 0: 0
< N(R): 126 P: 0
< 8 bytes of data
-- ACKing all packets from 125 to (but not including) 126
-- Since there was nothing left, stopping T200 counter
-- Stopping T203 counter since we got an ACK
-- Nothing left, starting T203 counter
< Protocol Discriminator: Q.931 (8) len=8
< Call Ref: len= 2 (reference 7/0x7) (Originator)
< Message type: INFORMATION (123)
< [2c 01 31]
< Keypad Facility (len= 3) [ 1 ]
Feb 16 11:42:25 VERBOSE[2975]:
< [ 02 01 e8 fc 08 02 00 07 7b 2c 01 31 ]
I read the ets 300 403 01 spec as well as a more reacent revision of the
Q.931 spec. Q.931 allows the keypad IE to signal called party number
(during call setup) or to convey supplementary service information (pushed
digits similar to dtmf). Q.931 allows the called party number IE to signal
called party digits during call setup.
The EuroISDN spec. in ets 300 403 01 is stricter - the keypad IE can not
be used for overlap digits, only after the call setup.
Are the digits you send encoded as Keypad IE? In that case a setting to
allow keypad IE digits to always be accepted as dtmf digits may be
the best solution.
see trace above. It's definitely a "Keypad IE" and its sent not as
called party digits but instead of DTMF tones. This is imho the only way
to make a Siemens HiCom PBX work with Asterisk Voicemail or IVR menus. I
guess there are a couple of ISDN devices out there that act the same.
Deti
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