20503: Unable to Open CHP Link, CA_errno: 'string', 'number'.

Function

ExecuteSendFax

Explanation

A call to CA_Open_CHP_Link() failed. This may be caused if there are no spare CHPs available.

User response

Ensure that there are enough CHPs available for your system. If your system does a lot of processing after a call is completed, you may require more spare CHPs to be defined.