If you disable Call Waiting on the line it should do what you need. I dissable call wating on all system below 4.X as there is issue with transfering calls when there are two calls on one line.

According to the last Cisco word I heard Cisco has no plans to provide this in CallManager. You need to use a thrid pary appSome that I've used are Berbee's Informast www.berbee.com and Syn-apps www.synapps.net both have pros and cons Syn-Apps is che...

I had this exact issue I had to use a voice class codec. What happens is that your call is probaly g729 but MOH has to be g711 so you have to create a voice class to allow that VOIP dial-peer (that points to CCM) to change. I didn't know exctaly what...

It is my experice that the you should use MQC to mark all traffic from sub to pub and vice versa to ip precedence 2 or DSCP AF21. This would be 768, or maybe a little more for safty. Then use MQC to with a service pol of 768 and three more classes on...

I find that if this is a case were WAN sites are calling this one site you my want to change the Region of the aflected site to G.729 when calling to remote sites. This will give to 4 times more calls at the same bandwith ( G.729 is about 20k). I've ...