Indicates the scope of this COR list for a
list of associated dial-peers.
ccme(1) - indicates this COR is applicable to
the dial-peer associated with ciscoCorTag
Ephone-DN object.
srstSccp(2) - indicates this COR is applicable to
all the dynamically created dial-peers
under SCCP SRST mode.
srstSip(3) - indicates this COR is applicable to
all the SIP SRST dial-peers that belong
to a specified voice registrar pool
indicated by ciscoCorVoiceRegPoolNumber
object.