Dear all,

          I am in the process of developing IVR. So just planned to convert my application to handle the TTS voice engine which is supported by FreeSWITCH.
          Got the mod_unimrcp module which is used to recognize the speech and synthesize the text to voice.
          For building the mod_unimrcp modules done the following steps.
               Uncomment the mod_unimrcp line in the modules.conf file in the FreeSWITCH source
               Given make mod_unimrcp-install command.
               In modules.conf.xml uncomment the <load modue="mod_unimrcp"/>
               Configured the following dial plan
                    <extension name="unimrcp">                                                                                      
        <condition field="destination_number" expression="^4922$">                                                

                <action application="answer"/>
                <action application="set" data="tts_engine=unimrcp:nuance5-mrcp1"/>
                <action application="set" data="tts_voice=awb"/>
                <action application="speak" data="This is our Text to speech on FreeSWITCH"/>  -->
                <action application="sleep" data="500"/>
        </condition>                                                                                              
  </extension>

     While making the call to 4922 got the following error in the FreeSWITCH console.

       
[INFO] mod_dialplan_xml.c:418 Processing thangappan->4922 in context default
	 [NOTICE] mod_dptools.c:717 Channel [sofia/internal/1012@192.168.1.222] has been answered

	 [INFO] mod_unimrcp.c:1499 speech_handle: name = unimrcp, rate = 8000, speed = 0, samples = 160, voice = , engine = unimrcp, param = nuance5-mrcp1
	 [INFO] mod_unimrcp.c:1502 voice = awb, rate = 8000
	 [NOTICE] mrcp_client.c:549 Create MRCP Handle 0x8b02400 [nuance5-mrcp1]

	 [INFO] mrcp_client_session.c:142 Create Channel 0x8b02400 <new>
	 [INFO] mrcp_client_session.c:398 Receive App Request 0x8b02400 <new> [2]
	 [NOTICE] rtsp_client.c:255 Create RTSP Handle 0x8b04408
	 [INFO] mrcp_client.c:901 Add MRCP Handle 0x8b02400

	 [NOTICE] mrcp_client_session.c:718 Add Control Channel 0x8b02400 <new@speechsynth>
	 [INFO] mrcp_client_session.c:420 Send Offer 0x8b02400 <new> [c:0 a:1 v:0]
	 [ERR] mod_unimrcp.c:965 (TTS-0) Timed out waiting for channel to be ready

	 [ERR] switch_ivr_play_say.c:2104 Invalid TTS module!
	 [NOTICE] switch_core_state_machine.c:185 sofia/internal/1012@192.168.1.222 has executed the last dialplan instruction, hanging up.

	 [NOTICE] switch_core_state_machine.c:187 Hangup sofia/internal/1012@192.168.1.222 [CS_EXECUTE] [NORMAL_CLEARING]
	 [NOTICE] switch_core_session.c:1179 Session 1 (sofia/internal/1012@192.168.1.222) Ended

	 [NOTICE] switch_core_session.c:1181 Close Channel sofia/internal/1012@192.168.1.222 [CS_DESTROY]
	 [NOTICE] switch_channel.c:669 New Channel sofia/internal/1012@192.168.1.222 [49ed5afa-79f0-11df-b531-3553f3a65c3c]

	So need to find a solution for that.

--
Regards,
Thangappan.M