SPA921/SPA942 Call progress tone pass through

Unanswered Question
Feb 26th, 2010
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Hi all,


I have a small PBX in my office with some SPA921 & SPA942. I have the following problem.

Whenever I place a call through my ISDN line I cannot hear the far-end ring back tone. However when I use x-lite or my iPhone's SIP software everything runs smooth. I checked the admin guide on CISCO site and on page 147 it is written:

"The call progress tone pass-through feature lets you hear call progress tones (such as ringing) that are generated from the far-end network."

However I cannot find such option in my IP phones, neither any other information on both admin/user guides.

Any help is appreciated.


Best regards,


Giannis

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ikampollis Fri, 02/26/2010 - 08:34
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Hi, everything is ok after turning on sticky 183 option.

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