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可能是2b 本身問題也說不定,我用普通Nokia E71 手機VoIP extension over 3G 打進Asterisk IVR,輸入密碼後,再以PSTN 撥出,並沒有什麼異樣。

Asterisk 也是 1.8.6

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問題解決了未呢?

以往沒有使用Telephony card 的時候,單靠SPA3102 的DTMF (VoIP to PSTN 或 PSTN to VoIP) 並不是每次成功的,但使用TDM400P 之後,DTMF的辨識成功率非常高。

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回復 5# ckleea


    Please refer to http://www.telecom-cafe.com/foru ... =3973&pid=17763

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Do you get any improvement in this area with their explanation?

The description listed did not mention the possibility of involving PIN in real practice.  If it does, I'm afraid DTMF recognition may still face challenges.

In fact, SPA3000/SPA3102 has configuration settings available to control the time between digits pressed.

For info, my IVR is similar to the example listed but with the use of PIN and it works very well so far.

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