[Asterisk-Users] Working SIP phone for linux and windows

[Time Bandit]

> I have yet to discover a software package that would both register and
> have ulaw codec. The SIP communicator (Java) came closest to usable,
> but didn't have the ulaw codec working.  What do you use for
> communications?
for SIP you can use X-Lite :
http://www.xten.com/index.php?menu=products&smenu=download

I think there's also a Linux version in beta, but I don't have the link near me.

If you want an IAX softphone with ulaw, I've done one :
http://www.marccharbonneau.com/asterisk/mediaxphone.php

hth