Configuring Multiple Options You can enter a list of options for this field: Type options followed by a space. Within quotation marks, enter the feature names and values of the parameters you need. Separate each one with a comma. Close the quotation marks. Press Enter. For example: ACMEPACKET(sip-config)# options “refer-to-uri-prefix=“conf=”,encode-contact=“+SD”,add-ruri-user=INVITE,ACK”