We recently deployed a SIP IP IPX to replace our Mitel 3300 phone system. Our Mitel 3300 ICP is still on the network, however, the phones are in SIP mode. We need the ability to access the paging system from the 5224 phones when in SIP mode. Is this possible? If not is there a work around? I thought about plugging an analog pots line into a port on the 3300 ICP. Then have it to where if that line rings it would then ring the paging line. Then the users using 5224 phones in SIP mode would just call that line and it would ring the paging line... It sounds like a long shot but thought it might be possible but not sure how to do it.. Hopefully there is another way.