We are implementing VPDN in our network to support reselling ADSL services from our Telco. Using the Feature Navigator, it appears as though we require XE 3.7.6S software, our router currently has 3.10.2S Do we truly have to use a lower version of IO...

We are trying to setup a dial-peer over SIP to an asterix server. The provider of the Asterix box wants us to not register.Here is our setup:dial-peer voice 81000 voipdestination-pattern 81...session protocol sipv2session target ipv4:nnn.nnn.nnn.nnnd...

We are just setting up a 2821 with ZBFW for our servers.For simplicity we have only defined in-zone and out-zone.All works fine for traffic such as HTTP, FTP, Email, etc. We NAT these to different servers and all is great.Now we have to forward some ...

We recently updated our UC520 to software pack 8.0.2.  IOS 15.0(1)XA2Since the upgrade, the phones have a very distorted ring, followed by a fairly loud click.Voice call quality is fine.We had a similar problem on 8.0.0, except that voice calls were ...