Hi,At Headquarters there is a CCM 5.1 and at branch office there is a Panasonic with h.323 support.In Both site there is a gateway router 2811 registering with callmanager.I can't call from CCM to Panasonic and each other, but if I use the command "...

I have a CCM 5.0, telephones Grandstream GXP -2000 and Cisco 7940. I?ve problems of Call-Tranfer with the Grandstream. I need helps about to thatTks