[asterisk-users] If caller id is null set to a specific number

[Doug Lytle]

Jon Weisman wrote:
> All,
>  
> If someone calls into my asterisk box and has a private number I would 
> like to set the callers id to a specific telephone number, only when 
> the ANI is missing, otherwise if present just pass it along. Any ideas?

[incoming]

exten => s,1,Gosubif($["${CALLERID(number)}" = "" ]?set-cid,s,1:2)

[set-cid]

exten => s,1,Set(CALLERID(number)=5551212)
exten => s,n,Return()

Doug

-- 
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"Those who would give up Essential Liberty to purchase a little Temporary Safety, deserve neither Liberty nor Safety."