Latest version has several mISDN issues expecially on outgoing calls.

Main problem 1:
- scenario:
        1. SIP/13 -> CW -> mISDN/0 -> mISDN/1 -> CW -> SIP/12
        2. SIP/13 -> CW -> mISDN/0 -> any body outside
- problem:
        1. 1way audio SIP/13 hear SIP/12 not the viceversa
        2. i call customer they cannot hear me

Main problem 2:
- scenario:
        1. SIP/13 -> CW -> mISDN/0 -> mISDN/1 -> CW -> IVR::WaitExten()
- problem:
        1. only 1 DTMF is recognized the 2nd DTMF pressed is ignored

Main problem 3:
- scenario
        1. any source -> mISDN/0 -> CW -> SIP/secretary
        2. any source -> ZAP/4   -> CW -> SIP/secretary
- problem:
        1. if SIP/secretary does an attended transfer to SIP/boss using
                button onto the phone a 1-way-audio problem appear; its
                not related to mISDN, problem is also with chan_zap
- notes:
        1. direct transfer with phone button works
        2. inband attended transfer with res_features works
        3. attended transfer from voip calls or other voip calls works

If the problem is the generator interference with voice or DTMF please 
explain how to check using logs or gdb.



     Antonio Gallo

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