linphone android下载地址为
git clone git://git.linphone.org/linphone-android.git --recursive
一旦下载失败可以从下载日志中继续下载各个子模块：
Submodule 'submodules/bcg729' (git://git.linphone.org/bcg729.git) registered for path 'submodules/bcg729'
Submodule 'submodules/bctoolbox' (git://git.linphone.org/bctoolbox.git) registered for path 'submodules/bctoolbox'
Submodule 'submodules/bcunit' (git://git.linphone.org/bcunit.git) registered for path 'submodules/bcunit'
Submodule 'submodules/belcard' (git://git.linphone.org/belcard.git) registered for path 'submodules/belcard'
Submodule 'submodules/belle-sip' (git://git.linphone.org/belle-sip.git) registered for path 'submodules/belle-sip'
Submodule 'submodules/belr' (git://git.linphone.org/belr.git) registered for path 'submodules/belr'
Submodule 'submodules/bzrtp' (git://git.linphone.org/bzrtp.git) registered for path 'submodules/bzrtp'
Submodule 'submodules/cmake-builder' (git://git.linphone.org/linphone-cmake-builder.git) registered for path 'submodules/cmake-builder'
Submodule 'submodules/externals/antlr3' (git://git.linphone.org/antlr3.git) registered for path 'submodules/externals/antlr3'
Submodule 'submodules/externals/bv16-floatingpoint' (git://git.linphone.org/bv16-floatingpoint.git) registered for path 'submodules/externals/bv16-floatingpoint'
Submodule 'submodules/externals/codec2' (git://git.linphone.org/codec2) registered for path 'submodules/externals/codec2'
Submodule 'submodules/externals/ffmpeg' (git://git.linphone.org/ffmpeg.git) registered for path 'submodules/externals/ffmpeg'
Submodule 'submodules/externals/gsm' (git://git.linphone.org/gsm.git) registered for path 'submodules/externals/gsm'
Submodule 'submodules/externals/libmatroska' (git://git.linphone.org/libmatroska-c.git) registered for path 'submodules/externals/libmatroska-c'
Submodule 'submodules/externals/libupnp' (git://git.linphone.org/libupnp.git) registered for path 'submodules/externals/libupnp'
Submodule 'submodules/externals/libvpx' (git://git.linphone.org/libvpx.git) registered for path 'submodules/externals/libvpx'
Submodule 'submodules/externals/libxml2' (git://git.gnome.org/libxml2.git) registered for path 'submodules/externals/libxml2'
Submodule 'submodules/externals/mbedtls' (git://git.linphone.org/mbedtls.git) registered for path 'submodules/externals/mbedtls'
Submodule 'submodules/externals/opencore-amr' (git://git.linphone.org/opencore-amr.git) registered for path 'submodules/externals/opencore-amr'
Submodule 'submodules/externals/openh264' (https://github.com/cisco/openh264) registered for path 'submodules/externals/openh264'
Submodule 'submodules/externals/opus' (git://git.linphone.org/opus.git) registered for path 'submodules/externals/opus'
Submodule 'submodules/externals/speex' (git://git.linphone.org/speex.git) registered for path 'submodules/externals/speex'
Submodule 'submodules/externals/srtp' (git://git.linphone.org/srtp.git) registered for path 'submodules/externals/srtp'
Submodule 'submodules/externals/vo-amrwbenc' (git://git.linphone.org/vo-amrwbenc.git) registered for path 'submodules/externals/vo-amrwbenc'
Submodule 'submodules/externals/x264' (git://git.linphone.org/x264.git) registered for path 'submodules/externals/x264'
Submodule 'linphone' (git://git.linphone.org/linphone.git) registered for path 'submodules/linphone'
Submodule 'submodules/msamr' (git://git.linphone.org/msamr.git) registered for path 'submodules/msamr'
Submodule 'submodules/mscodec2' (git://git.linphone.org/mscodec2.git) registered for path 'submodules/mscodec2'
Submodule 'submodules/msopenh264' (git://git.linphone.org/msopenh264.git) registered for path 'submodules/msopenh264'
Submodule 'submodules/mssilk' (git://git.linphone.org/mssilk.git) registered for path 'submodules/mssilk'
Submodule 'submodules/mswebrtc' (git://git.linphone.org/mswebrtc.git) registered for path 'submodules/mswebrtc'
Submodule 'submodules/msx264' (git://git.linphone.org/msx264.git) registered for path 'submodules/msx264'
Cloning into 'submodules/bcg729'...
如linphone模块下载失败，则可以通过下面命令挽回：
git clone git://git.linphone.org/linphone.git submodules/linphone --recursive