[Serusers] SER and SIPC (columbia uni)

Jonathan Lennox lennox at cs.columbia.edu
Thu Mar 6 17:48:20 CET 2003

Actually, Xiaotao Wu (Cc'd) is our client guy; I'm the server guy.

On Thursday, March 6 2003, "Jiri Kuthan" wrote to "Mario Kolberg, serusers, lennox at cs.columbia.edu" saying:

> At 12:32 PM 3/6/2003, Mario Kolberg wrote:
> >Hi,
> >
> >I tried to use the SER SIP server together with a number of different UAs. I successfully used a Pingtel phone, pingtel softphone, the Ubiquity UA, and kphone on linux. However, when I tried to use SIPC from Columbia Uni I keep getting eror messages 400: Bad Request. As all the other UAs are working fine I assume this may be a problem with sipc. Have you any experiences with using sipc and ser?
> We don't. I'm fwding to Jonnathan Lennox, he will possibly know more.
> >I attach an error log between the Pingtel phone ( is trying to send an INVITE to sipc ( SER (and ngrep) are running on (registrations are going through fine and also invites the other way (from sipc to pingtel) go through ok).
> Note that it is not necessarily ser-sipc problem -- ser proxies the
> pingtel request which may be what sips does not like.
> -Jiri 

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