I have a main office utilizing a UC540 for VOIP and routing that is connected through an IPSEC VPN tunnel to an RV180W at another office. We have both data and voice traffic traversing the tunnel. The speed on the remote end is rediculously slow. I r...

I am trying to switch my Cisco CME from Pots lines to a SIP Trunk from Broadvox. After some trial and error I am able to make and receive calls with excellent two way audio. Broadvox is saying that they are receiving register messages from the phones...

I am trying to connect my Cisco 2911 with CallManager Express to Office 365 Unified Messaging for Auto Attendant and voicemail. I have followed what settings I found per Microsofts knowledgebase but all I get when I dial the pilot number is a fast bu...