Varying problems with sound output in gnome-2-26 Ekiga

Trying to get more stable SIP authentifications and/or support for my UVC based webcam, I've recently installed gcc-4.4 from Debian testing (4.3.2 didn't compile it), and compiled ptlib-2.6.2.tar.bz2, opal-3.6.2.tar.bz2, and first tried ekiga-3.2.4.tar.gz but then went with the git "gnome-2-26" branch (because of a compiler error fixed there). This compiled without problems, but the resulting Ekiga would frequently give no sound output when connecting to echo services.

I call sip:500@..., but it seems ekiga.net prohibits too frequent usage of the echo test(?). When re-calling too soon, Ekiga turns the contents of the URL entry field into "pc:udp$ekiga.net:5060" and will never get to show the "Connected .. call duration.." message.

But, there is also a problem with sound not playing in many cases where I *do* have a "Connected .. call duration.." message on the screen. The problem does not go away even when waiting between calls (like a minute or so).

A sequence of connection initiations by me:

sip:500@... -> normal with sound
sip:500@... -> stays in pc:udp$ekiga.net:5060, i.e. does not get connection, I click stop
sip:441@... -> silent, I click stop
sip:441@... -> normal with sound

or with only using the diamondcard echo service:

sip:441@... -> normal
sip:441@... -> silent
sip:441@... -> normal
sip:441@... -> silent
sip:441@... -> silent
sip:441@... -> silent


But sound problems don't stop here, when I call my Diamondcard number using my mobile, Ekiga will pop up messages (one for each suppressed ring tone or so) even before I try to click on "accept", saying

    "Error while opening audio output device HDA Intel

    No incoming sound will be played.

    The selected audio device was successfully opened but it is impossible to write data to this device. In case it is a pluggable device it may be sufficient to reconnect it. If not, or if it still is not accessible, please check your audio setup.
    "

but in preferences I've set all three audio devices to "HDA Intel (PTLIB/ALSA)". Also sound has always worked without problems on this Laptop, and Ekiga 2.0.12 (from Debian stable) never had this problem.

I've then recompiled/reinstalled everything from SVN / Git, with the versions from the stable branches as given below, with the same results.

To summarize, there seem to be 3 separate issues, the first is with ekiga.net not accepting frequent calls of the echo service (and Ekiga not showing an error in this case), the second that about half the otherwise seemingly successful echo service connections are silent, the third that the ring tone is never given (but an error message instead).

Any suggestion?

Thanks,
Christian.


Details:

Lenovo Thinkpad T61, core 2 duo, nvidia.

Versions:

Ekiga 44ebfd82f1a4254d3fda3de0871b9c62e7e7c842
ptlib opalvoip/ptlib/branches/v2_6@22848
opal  opalvoip/opal/branches/v3_6@22931

$ gcc-4.4 --version
gcc-4.4 (Debian 4.4.0-6) 4.4.0
$ g++-4.4 --version
g++-4.4 (Debian 4.4.0-6) 4.4.0

Debian stable, kernel 2.6.29.5

All 3 libs/programs compiled using:

export PKG_CONFIG_PATH=~/lib/pkgconfig/
export PTLIBDIR=`pwd`
export CC=gcc-4.4
export CXX=g++-4.4
./configure --prefix=$HOME
make -j2
make install

Configuration results:

opal:
                              GSM :  yes (system)
                          gsm-amr :  yes
                             iLBC :  yes (internal)
                            Speex :  yes (internal, version 1.1.11.1)
                            LPC10 :  yes
                            G.726 :  yes
                        IMA_ADPCM :  yes
                              SBC :  no

                           H.261  :  yes
                     H.263/H.263+ :  
                           H.264  :  no
                          THEORA  :  no
                    MPEG4 Part 2  :  no
                            CELT  :  no

                     SpanDSP FAX  :  no

                            CAPI  :  no
           Quicknet xJACK support :  no
         Voicetronics VPB support :  yes

                         OS Type  :  linux-gnu
                    Machine Type  :  x86_64

ekiga:
                   GNOME support  :  enabled
                   GConf support  :  enabled
   Evolution-Data-Server support  :  enabled
                  NOTIFY support  :  disabled
                    LDAP support  :  enabled

                  XVideo support  :  enabled

                   H.323 support  :  yes
                     SIP support  :  yes

                    DBUS support  :  enabled
            DBUS service support  :  enabled
             mDNS/DNS-SD support  :  enabled

The following features are experimental -- you've been warned:
               GStreamer support  :  disabled
            KAddressBook support  :  disabled
                     KDE support  :  disabled
                    XCAP support  :  disabled

                         OS Type  :  linux-gnu
                    Machine Type  :  x86_64
                      Byte Order  :  little endian


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