[asterisk-users] OT: Cisco 1841 - Can it be made SIP aware?

[Kristian Kielhofner]

On Thu, Sep 18, 2008 at 12:20 PM, Barton Fisher <bart at icpage.com> wrote:
> Hi,
> It has IOS is 12.3(14)T7 - I'm wondering if this router can be made SIP
> aware. Apparently, this current
> firmware/programming is not, one way audio problems.
>
> Is there a version that support VoIP directly for this router?
>
> Thanks, Bart

Bart,

  IMNSHO, the less SIP aware the better...

  I have to disable SIP inspection on every IOS/PIX device I come
across.  Fix the one-way audio problems on your proxy, registrar, etc
(in the case, Asterisk).

  Most SIP ALGs are broken.

-- 
Kristian Kielhofner
http://blog.krisk.org