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FAX Call Issue over SIP Line

abdul rasheed
Level 1
Level 1

I have an Imagicel FAX server. 3 Analog FAX lines and a few SIP FAX lines(SIP Trunk). I can send an receive FAX between my analog lines (through PSTC/For Testing). Also, I can send and receive between SIP FAX lines (Through ITSP/For testing purpose). But I can't send or receive between the SIP and Analog Lines. Some time shows protocol timed out. Other time it is Unknown. Looking for your great support.

BR,

Abdul

3 Replies 3

R0g22
Cisco Employee
Cisco Employee
What is the fax protocol in use ? What is the call flow over which your faxes are failing ?


Hello Nipun,

Thanks a lot for a quick response.

I am using T.38. The call flow is as below:

MS Outlook(Sender-SIP) -->Imagicle FAX-->Cisco CUBE-->ITSP--->PSTN-->Cisco CUBE-->Imagicle FAX-->MS Outlook (Reciever-Analog).

 

BR,

Abdul

 

Attach your CUBE config. Also get a log for the following debugs for a failed fax from the CUBE -

debug ccsip message
debug ccsip error
debug voice ccapi inout

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