Customers can now choose between having external voicemail (e.g. Enterprise Messaging) or the embedded BVM option. All 5000 Series servers come with 4 ports of BVM built in.
BVM is upgradeable in increments of 4 ports to provide a maximum of 8 ports of BVM in an Inter-Tel CS-5200 and CS-5400. If more than 8 ports of BVM are required, the system must be upgraded to an Inter-Tel CS-5600 which is capable of increasing the number of BVM ports to 8, 12 or 16 ports. For solutions requiring more than 16 ports of BVM, Enterprise Messaging should be implemented. The BVM solution supports basic unified messaging capabilities on all 16 ports.Single Line Module 4 (SLM-4)
The SLM-4 provides up to four single line ports and can be inserted into one of the three CS-5x00 chassis bays.
Caller information will be able to be displayed on Plain Old Telephone screens as the SLM-4 supports CLI transmission.