<br /><br />
<br /><br />I have an issue with a number of VIC-4FXS cards installed at onboard HWIC slots in 2811 and 3825 routers. Gateways has enough PVDM's and voice ports appearing in configuration.
<br /><br />I'm trying to configure basic SIP trunk between two routers. IP connectivity is OK.
<br /><br />But all calls fails with 63 cause code, and there is no dialtone in connected phone.
<br /><br />What may be the problem? I changed IOS in 2811 from advententerprise to IP Voice but with no result.