supports dialog stateful variables to allow storing values during SMM processing of messages, and then later using the same values for SMM processing of the other messages in the same dialog. The
Spacevars
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product
also supports dialog stateful variables for INVITE, REGISTER, and Out-of-Dialog SUBSCRIBE messages. The values of stateful variables are preserved for the active dialogs. These values are accessible during the SMM rule processing on the subsequent messages.
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Key points:
The dialog stateful variables
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do not support NOTIFY messages
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received prior to receiving the 200 OK response to the Egress SUBSCRIBE.
In the case of a REGISTER message, dialog stateful variables are accessible by refresh REGISTER requests but not by INVITE/SUBSCRIBE sent for a registered user. The refresh-REGISTERs are expected to have same call-id as that of initial REGISTER.