I have a customer who has used an extender for about 4 years between Phoenix and Atlanta, where it worked perfectly. They recently moved it from Atlanta to Albuquerque, and are having some problems. The rep in Alburquerque can get her calls routhed to her and hear incoming calls fine (she is part of a calling group, but the person calling her can't hear her. Occasionally the connection is good, but mostly it is not. Any idea what could be causing this? Nothing has changed at the Phoenix end, and this is the only extender on the MCK. Thanks for any suggestions!