Merge commit 'f7e13400b24bdc5461e640cfb2c9cb2bbb2b6236' * commit 'f7e13400b24bdc5461e640cfb2c9cb2bbb2b6236': SIP: add DisconnectCause.SERVER_ERROR
Merge commit 'f7e13400b24bdc5461e640cfb2c9cb2bbb2b6236' * commit 'f7e13400b24bdc5461e640cfb2c9cb2bbb2b6236': SIP: add DisconnectCause.SERVER_ERROR