Dear All,

I follow instruction in wiki

http://wiki.freeswitch.org/wiki/Mod_gsmopen

I am using VS2010.

however when i compiled mod_gsmopen still fail....

below is log:
1>------ Skipped Build: Project: gsmlib, Configuration: Release Win32 ------
1>Project not selected to build for this solution configuration
2>------ Build started: Project: mod_gsmopen, Configuration: Release Win32 ------
2>牋牋 Creating library D:\FS_GIT\Win32\Release\mod\mod_gsmopen.lib and object D:\FS_GIT\Win32\Release\mod\mod_gsmopen.exp
2>gsmopen_protocol.obj : error LNK2001: unresolved external symbol __imp__switch_core_session_queue_indication@8
2>gsmopen_protocol.obj : error LNK2001: unresolved external symbol __imp__switch_channel_perform_mark_ring_ready_value@20
2>gsmopen_protocol.obj : error LNK2001: unresolved external symbol __imp__switch_mutex_lock@4
2>gsmopen_protocol.obj : error LNK2001: unresolved external symbol __imp__switch_core_session_get_channel@4
2>gsmopen_protocol.obj : error LNK2001: unresolved external symbol __imp__switch_sleep@8
2>gsmopen_protocol.obj : error LNK2001: unresolved external symbol "public: int __thiscall ctb::SerialPort_x::Open(char const *,int,char const *,enum ctb::SerialPort_x::FlowControl)" (?Open@SerialPort_x@ctb@@QAEHPBDH0W4FlowControl@12@@Z)
2>gsmopen_protocol.obj : error LNK2001: unresolved external symbol "public: __thiscall ctb::SerialPort::SerialPort(void)" (??0SerialPort@ctb@@QAE@XZ)
2>gsmopen_protocol.obj : error LNK2001: unresolved external symbol __imp__switch_core_session_rwunlock@4
2>gsmopen_protocol.obj : error LNK2001: unresolved external symbol __imp__switch_log_printf
2>gsmopen_protocol.obj : error LNK2001: unresolved external symbol __imp__switch_core_session_perform_locate@16
2>gsmopen_protocol.obj : error LNK2001: unresolved external symbol __imp__switch_channel_perform_hangup@20
2>gsmopen_protocol.obj : error LNK2001: unresolved external symbol __imp__switch_mutex_unlock@4
2>mod_gsmopen.obj : error LNK2001: unresolved external symbol __imp__switch_core_session_request_uuid@20
2>mod_gsmopen.obj : error LNK2001: unresolved external symbol __imp__switch_xml_attr_soft@8
2>mod_gsmopen.obj : error LNK2001: unresolved external symbol __imp__switch_core_codec_destroy@4
2>mod_gsmopen.obj : error LNK2001: unresolved external symbol __imp__switch_event_fire_detailed@20
2>mod_gsmopen.obj : error LNK2001: unresolved external symbol __imp__switch_xml_attr@8
2>mod_gsmopen.obj : error LNK2001: unresolved external symbol __imp__switch_channel_set_caller_profile@8
2>mod_gsmopen.obj : error LNK2001: unresolved external symbol __imp__switch_time_now@0
2>mod_gsmopen.obj : error LNK2001: unresolved external symbol __imp__dtmf_rx_parms@20
2>mod_gsmopen.obj : error LNK2001: unresolved external symbol __imp__dtmf_rx@12
2>mod_gsmopen.obj : error LNK2001: unresolved external symbol __imp__switch_core_codec_init_with_bitrate@40
2>mod_gsmopen.obj : error LNK2001: unresolved external symbol __imp__switch_caller_profile_new@48
2>mod_gsmopen.obj : error LNK2001: unresolved external symbol __imp__switch_channel_queue_dtmf@8
2>mod_gsmopen.obj : error LNK2001: unresolved external symbol __imp__switch_channel_test_ready@12
2>mod_gsmopen.obj : error LNK2001: unresolved external symbol __imp__switch_separate_string@16
2>mod_gsmopen.obj : error LNK2001: unresolved external symbol __imp__switch_file_write@12
2>mod_gsmopen.obj : error LNK2001: unresolved external symbol __imp__switch_is_number@4
2>mod_gsmopen.obj : error LNK2001: unresolved external symbol __imp__switch_core_timer_next@4
2>mod_gsmopen.obj : error LNK2001: unresolved external symbol __imp__switch_channel_event_set_data@8
2>mod_gsmopen.obj : error LNK2001: unresolved external symbol __imp__switch_core_timer_sync@4
2>mod_gsmopen.obj : error LNK2001: unresolved external symbol __imp__switch_event_add_header_string@16
2>mod_gsmopen.obj : error LNK2001: unresolved external symbol __imp__switch_thread_create@20
2>mod_gsmopen.obj : error LNK2001: unresolved external symbol __imp__switch_core_session_set_write_codec@8
2>mod_gsmopen.obj : error LNK2001: unresolved external symbol __imp__switch_core_session_thread_launch@4
2>mod_gsmopen.obj : error LNK2001: unresolved external symbol __imp__switch_channel_get_name@4
2>mod_gsmopen.obj : error LNK2001: unresolved external symbol __imp__switch_threadattr_stacksize_set@8
2>mod_gsmopen.obj : error LNK2001: unresolved external symbol __imp__switch_core_session_set_private@8
2>mod_gsmopen.obj : error LNK2001: unresolved external symbol __imp__switch_core_session_get_private@4
2>mod_gsmopen.obj : error LNK2001: unresolved external symbol __imp__switch_core_session_get_pool@4
2>mod_gsmopen.obj : error LNK2001: unresolved external symbol __imp__switch_event_add_body
2>mod_gsmopen.obj : error LNK2001: unresolved external symbol __imp__switch_xml_free@4
2>mod_gsmopen.obj : error LNK2001: unresolved external symbol __imp__dtmf_rx_init@12
2>mod_gsmopen.obj : error LNK2001: unresolved external symbol __imp__switch_core_session_get_uuid@4
2>mod_gsmopen.obj : error LNK2001: unresolved external symbol __imp__switch_swap_linear@8
2>mod_gsmopen.obj : error LNK2001: unresolved external symbol __imp__switch_channel_test_flag@8
2>mod_gsmopen.obj : error LNK2001: unresolved external symbol __imp__switch_threadattr_create@8
2>mod_gsmopen.obj : error LNK2001: unresolved external symbol __imp__switch_loadable_module_create_module_interface@8
2>mod_gsmopen.obj : error LNK2001: unresolved external symbol __imp__switch_snprintf
2>mod_gsmopen.obj : error LNK2001: unresolved external symbol __imp__switch_xml_child@8
2>mod_gsmopen.obj : error LNK2001: unresolved external symbol __imp__switch_event_reserve_subclass_detailed@8
2>mod_gsmopen.obj : error LNK2001: unresolved external symbol __imp__switch_loadable_module_create_interface@8
2>mod_gsmopen.obj : error LNK2001: unresolved external symbol __imp__switch_caller_profile_clone@8
2>mod_gsmopen.obj : error LNK2001: unresolved external symbol __imp__switch_thread_join@8
2>mod_gsmopen.obj : error LNK2001: unresolved external symbol __imp__switch_channel_set_name@8
2>mod_gsmopen.obj : error LNK2001: unresolved external symbol __imp__switch_event_get_header_idx@12
2>mod_gsmopen.obj : error LNK2001: unresolved external symbol __imp__switch_channel_direction@4
2>mod_gsmopen.obj : error LNK2001: unresolved external symbol __imp__switch_core_session_add_stream@8
2>mod_gsmopen.obj : error LNK2001: unresolved external symbol __imp__switch_xml_open_cfg@12
2>mod_gsmopen.obj : error LNK2001: unresolved external symbol __imp__switch_core_session_set_read_codec@8
2>mod_gsmopen.obj : error LNK2001: unresolved external symbol __imp__switch_core_default_dtmf_duration@4
2>mod_gsmopen.obj : error LNK2001: unresolved external symbol __imp__switch_core_chat_send@8
2>mod_gsmopen.obj : error LNK2001: unresolved external symbol __imp__switch_channel_perform_mark_answered@16
2>mod_gsmopen.obj : error LNK2001: unresolved external symbol __imp__switch_channel_perform_mark_pre_answered@16
2>mod_gsmopen.obj : error LNK2001: unresolved external symbol __imp__switch_core_timer_init@20
2>mod_gsmopen.obj : error LNK2001: unresolved external symbol __imp__switch_event_destroy@4
2>mod_gsmopen.obj : error LNK2001: unresolved external symbol __imp__dtmf_rx_get@12
2>mod_gsmopen.obj : error LNK2001: unresolved external symbol __imp__switch_copy_string@12
2>mod_gsmopen.obj : error LNK2001: unresolved external symbol __imp__switch_event_free_subclass_detailed@8
2>mod_gsmopen.obj : error LNK2001: unresolved external symbol __imp__switch_event_get_body@4
2>mod_gsmopen.obj : error LNK2001: unresolved external symbol __imp__switch_core_timer_destroy@4
2>mod_gsmopen.obj : error LNK2001: unresolved external symbol __imp__switch_event_add_header
2>mod_gsmopen.obj : error LNK2001: unresolved external symbol __imp__switch_event_create_subclass_detailed@24
2>mod_gsmopen.obj : error LNK2001: unresolved external symbol __imp__switch_mutex_init@12
2>mod_gsmopen.obj : error LNK2001: unresolved external symbol __imp__switch_channel_perform_set_state@20
2>mod_gsmopen.obj : error LNK2001: unresolved external symbol __imp__switch_core_session_perform_destroy@16
2>D:\FS_GIT\Win32\Release\mod\mod_gsmopen.dll : fatal error LNK1120: 76 unresolved externals
========== Build: 0 succeeded, 1 failed, 0 up-to-date, 1 skipped ==========

Regards,