[incoming]

exten => 0XXXXXXXXX,1,Answer() ; X are to hide the number
exten => 0XXXXXXXXX,2,Goto(incoming,s,10)

exten => s,10,Set(TRANSFER_CONTEXT=Inside)
exten => s,11,GotoIfTime(07:00-16:00,mon-fri,*,*?Ivr-main,s,1)
exten => s,12,Playback(ivr/welcome&ivr/hours&ivr/thankyou)
exten => s,13,Hangup()

[Ivr-main]

switch => Realtime/${CONTEXT}@extensions
________________________________

extensons_conf table in postgresql database

id  | context  | exten | priority |    app     |                                                         appdata                                                         
-----+----------+-------+----------+------------+-------------------------------------------------------------------------------------------------------------------------
 190 | Ivr-main | 1     |        1 | Goto       | Inside,10,1
 191 | Ivr-main | 2     |        1 | Goto       | Inside,11,1
 192 | Ivr-main | 3     |        1 | Goto       | Inside,12,1
 193 | Ivr-main | 4     |        1 | Goto       | Inside,13,1
 194 | Ivr-main | 5     |        1 | Goto       | Inside,14,1
 197 | Ivr-main | h     |        1 | Hangup     | 
 195 | Ivr-main | i     |        1 | Goto       | Ivr-main,s,1
 188 | Ivr-main | s     |        1 | Wait       | 1
 189 | Ivr-main | s     |        2 | Background | ivr/welcome2&ivr/hours&ivr/operator&ivr/sales&ivr/accountants&ivr/technical&ivr/marketing&ivr/warehouse&ivr/thankyou
 196 | Ivr-main | t     |        1 | Goto       | Inside,10,1
 198 | Ivr-main | _XX   |        1 | Goto       | Inside,${EXTEN},1