1.     <extension name="Local_Extension">
2.       <condition expression="^(1\d{3})$" field="destination_number">
3.         <action application="playback" data="voc/welcome.wav"/>
4.       </condition>
5.     </extension>
6.  
7. 可以听到声音 日志
8. 2017-10-10 11:14:49.768984 [NOTICE] switch_channel.c:1104 New Channel sofia/internal/1001@192.168.1.60 [2d164be4-ad69-11e7-a5d8-393da222a120]
9. 2017-10-10 11:14:49.788985 [INFO] mod_dialplan_xml.c:637 Processing 1001 <1001>->1001 in context public
10. 2017-10-10 11:14:49.788985 [NOTICE] switch_ivr.c:2172 Transfer sofia/internal/1001@192.168.1.60 to XML[1001@default]
11. 2017-10-10 11:14:49.788985 [INFO] mod_dialplan_xml.c:637 Processing 1001 <1001>->1001 in context default
12. 2017-10-10 11:14:49.808985 [INFO] switch_core_session.c:2649 Sending early media
13. 2017-10-10 11:14:49.808985 [NOTICE] sofia_media.c:92 Pre-Answer sofia/internal/1001@192.168.1.60!
14. 2017-10-10 11:14:56.828991 [NOTICE] switch_core_state_machine.c:385 sofia/internal/1001@192.168.1.60 has executed the last dialplan instruction, hanging up.
15. 2017-10-10 11:14:56.828991 [NOTICE] switch_core_state_machine.c:387 Hangup sofia/internal/1001@192.168.1.60 [CS_EXECUTE] [NORMAL_CLEARING]
16. 2017-10-10 11:14:56.828991 [NOTICE] switch_core_session.c:1683 Session 32 (sofia/internal/1001@192.168.1.60) Ended
17. 2017-10-10 11:14:56.828991 [NOTICE] switch_core_session.c:1687 Close Channel sofia/internal/1001@192.168.1.60 [CS_DESTROY]2017-10-10 11:14:49.768984 [NOTICE] switch_channel.c:1104 New Channel sofia/internal/1001@192.168.1.60 [2d164be4-ad69-11e7-a5d8-393da222a120]
18. 2017-10-10 11:14:49.788985 [INFO] mod_dialplan_xml.c:637 Processing 1001 <1001>->1001 in context public
19. 2017-10-10 11:14:49.788985 [NOTICE] switch_ivr.c:2172 Transfer sofia/internal/1001@192.168.1.60 to XML[1001@default]
20. 2017-10-10 11:14:49.788985 [INFO] mod_dialplan_xml.c:637 Processing 1001 <1001>->1001 in context default
21. 2017-10-10 11:14:49.808985 [INFO] switch_core_session.c:2649 Sending early media
22. 2017-10-10 11:14:49.808985 [NOTICE] sofia_media.c:92 Pre-Answer sofia/internal/1001@192.168.1.60!
23. 2017-10-10 11:14:56.828991 [NOTICE] switch_core_state_machine.c:385 sofia/internal/1001@192.168.1.60 has executed the last dialplan instruction, hanging up.
24. 2017-10-10 11:14:56.828991 [NOTICE] switch_core_state_machine.c:387 Hangup sofia/internal/1001@192.168.1.60 [CS_EXECUTE] [NORMAL_CLEARING]
25. 2017-10-10 11:14:56.828991 [NOTICE] switch_core_session.c:1683 Session 32 (sofia/internal/1001@192.168.1.60) Ended
26. 2017-10-10 11:14:56.828991 [NOTICE] switch_core_session.c:1687 Close Channel sofia/internal/1001@192.168.1.60 [CS_DESTROY]
27.    
28.    
29. ————————————————————
30.     <extension name="test">
31.       <condition field="destination_number" expression="^300$">
32.         <action application="playback" data="voc/welcome.wav"/>
33.       </condition>
34.     </extension>
35.    
36. 听不到声音 日志
37. 2017-10-10 11:15:50.428985 [NOTICE] switch_channel.c:1104 New Channel sofia/internal/1001@192.168.1.60 [513ec226-ad69-11e7-a5e5-393da222a120]
38. 2017-10-10 11:15:50.448985 [INFO] mod_dialplan_xml.c:637 Processing 1001 <1001>->300 in context public
39. 2017-10-10 11:15:50.448985 [NOTICE] switch_core_state_machine.c:385 sofia/internal/1001@192.168.1.60 has executed the last dialplan instruction, hanging up.
40. 2017-10-10 11:15:50.448985 [NOTICE] switch_core_state_machine.c:387 Hangup sofia/internal/1001@192.168.1.60 [CS_EXECUTE] [NORMAL_CLEARING]
41. 2017-10-10 11:15:50.468996 [NOTICE] switch_core_session.c:1683 Session 33 (sofia/internal/1001@192.168.1.60) Ended
42. 2017-10-10 11:15:50.468996 [NOTICE] switch_core_session.c:1687 Close Channel sofia/internal/1001@192.168.1.60 [CS_DESTROY]
43.    
44.