Is it possible to have a CME (4.2), with 7940 running Skinny firmware and 3911 running Sip Firmware ?
I only need to specify the correct load in telephony-service ?
CCME 4.2 can run both SCCP ip phones & SIP ip phones on the same platform. SIP phones will look for their phone loads & configuration using TFTP. Note that the default TFTP path for SIP files on CME is /cme/sipphone/.
Also the ephone configuration is a little different with SIP. Note the ephone configuration under "telephony-service" for SCCP is:
while SIP is:
voice register global
voice register pool
voice register dn
voice register template