Please find the below debug output for voice application in VG224 device.
01HW239102#debug voice application stcapp port 2/15
stcapp port debugging is on for 2/15
*Jun 30 17:13:40.427: 2/15 : stcapp_register_device
*Jun 30 17:13:40.427: 2/15 : Device not in ready state!
*Jun 30 17:13:41.427: 2/15 : stcapp_register_device
*Jun 30 17:13:41.427: 2/15 : Device not in ready state!
*Jun 30 17:13:42.427: 2/15 : stcapp_register_device
*Jun 30 17:13:42.427: 2/15 : Device not in ready state!
*Jun 30 17:13:43.427: 2/15 : stcapp_register_device
And the FXS ports doesn't gets registered in CUCM.
01HW239102#sh stc dev voice-port 2/15
Port Identifier: 2/15
Device Type: ALG
Device Id: -1
Device Name: AN2414AEFD9940F
Device Security Mode : None
Modem Capability: None
Device State: OOS
Diagnostic: Phone Offhook
Directory Number: Not Registered
Dial Peer(s): 25
Dialtone after remote onhook feature: not activated
Busytone after remote onhook feature: not activated
Last Event: STCAPP_CC_EV_CALL_SETUP_IND
Line State: UNREGISTERED
Line Mode: CALL_BASIC
Hook State: ONHOOK
Callback State: DISABLED
Number of CCBs: 0
Global call info:
Total CCB count = 1
Total call leg count = 2
Please anyone suggest me a solution for this problem.Thanks..