In general, this should be doable with firewall rules, i.e. open ports used for your voice app.You may want to re-post the question to the following forum who may have more experts on the 3750 products.https://supportforums.cisco.com/thread/2046607?t...
Try the following aliashttps://supportforums.cisco.com/community/netpro/small-business/routersIt should have more experts to address the RVS4000 questions there.This alias is more focusing on SA500.RichardThis post has been moved the the Small Busine...
Pls try to re-post this to the following support commuity. THere are more WRVS experts there who can better answer this for you.https://supportforums.cisco.com/community/netpro/small-business/routersRegards,RichardQuestion moved from the small busin...