at present the set up is :256K cct ------MUX-------IN -------OUT------(4) RJ45 VOICE PORTS.
FROM OUT :wan connection to Cisco 1603 router.
what the customer wants is:
maintain the voice mux.
can I replace the 1603 ,with 2612.? will the mux need to be configured ?
will the voice call be affected.?
Thanks
Sam