11-30-2015 12:37 AM - edited 03-17-2019 05:03 AM
Hi, Expert.
I have some problem with IP Fax (SIP).
I registering IP Fax to CUCM and success registered. But , i can't make a call. I trace to CUCM RTMT i give error message 488 .
Please, give me solution. I tried to configure after 1 weeks.
12-01-2015 07:40 AM
Make sure the codecs being sent from the Fax device are allowed in CUCM, the same goes for fax protocol (t38, Passthrough).
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12-01-2015 10:02 AM
Muhammad,
Make sure the bandwidth is allocated properly between the locations assigned to the devices.
Regards,
Ronak Agarwal
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