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Posted By: solochance SL1100 Incoming Call message "This option is invalid" - 02/18/16 11:05 PM
Hi, I'm new to SIP Trunks and NEC and have spent hours trying to solve this!

The voice message is
"this option is invalid Please try again, To call this number press 1 or hash to cancel"
Posted By: paulw Re: SL1100 Incoming Call message "This option is invalid" - 02/22/16 11:33 PM
Sounds like a carrier message and not from the system,..
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