diff --git a/submodules/belle-sip b/submodules/belle-sip
index e881f0512..0177ef2de 160000
--- a/submodules/belle-sip
+++ b/submodules/belle-sip
@@ -1 +1 @@
-Subproject commit e881f0512913a75d58ffe4ae6edf9139703383cc
+Subproject commit 0177ef2de50f9609d8ed0525e8878f957da6ab61
diff --git a/submodules/build/iphone-config.site b/submodules/build/iphone-config.site
index ee81ad99b..995023e4a 100644
--- a/submodules/build/iphone-config.site
+++ b/submodules/build/iphone-config.site
@@ -44,6 +44,10 @@ echo "Selecting SDK path = ${SYSROOT_PATH}"
 
 COMMON_FLAGS=" -arch ${ARCH} ${MCPU} -isysroot ${SYSROOT_PATH} -${CLANG_TARGET_SPECIFIER}=${SDK_VERSION} -DTARGET_OS_IPHONE=1 -D__IOS -fms-extensions"
 
+#workaround for polarssl conflicting symbols
+
+COMMON_FLAGS="$COMMON_FLAGS -Dsha256=polarssl_sha256"
+
 # silence clang unused operators. This is temporary, we should find a way to compile 3rd party with correct flags :(
 COMMON_FLAGS="-Qunused-arguments -Wno-unknown-warning-option -Wno-unused-command-line-argument-hard-error-in-future $COMMON_FLAGS"
 
diff --git a/submodules/linphone b/submodules/linphone
index fd8136016..e5d8ff817 160000
--- a/submodules/linphone
+++ b/submodules/linphone
@@ -1 +1 @@
-Subproject commit fd813601605e2f4e2cbd70e2cdb96806e3e78e41
+Subproject commit e5d8ff817a5de726d75a6a69791d6a9603fe6460