Title: Re: [asterisk-users] Block Spam Calls
Hello Alexander,

Tuesday, December 10, 2019, 7:57:54 AM, you wrote:


Hi All.  Does anybody know if Google/Android has an API I can sign up for that will allow us to query the caller ID and find out if it is spam or a robocaller?  I ask because we've had increase in spam calls and I'd like to simply play dead air or something really annoying.

I've had reasonable luck making a list of suspect Caller IDs though they seem to be slowing down the use of those as time goes by.  In my experience, calls with these caller IDs are never valid calls. Depending on who's calling you may also have good luck blocking all calls with the same area code and 3 digit prefix. I store all this in the Asterisk database and wrote my own blacklist and whitelist functions to handle it in the dial plan. If you do this you'll need a whitelist to let the people who end up here because they've not published their caller ID to the lookup lists and one of get the default "800 Service" tags.

Ira


0000000                                
00000000                              
000000000                              
0000000000                            
00000000000                            
800 SERVICE                            
800 Service                            
800_SERVICE                            
800_Service                            
ASSIST                                
CLIENT SUPPORT                        
COMMERCIAL RECO                        
CUST SERVICE                          
CUST SRVC                              
CUSTOMER SERVI                        
CUSTOMER SERVIC                        
CUSTOMER SERVICE                      
CUSTOMER SRV                          
CUSTOMER-SERVI                        
CUSTOMER-SERVIC                        
CUSTOMER-SERVICE                      
CUSTOMER_SERVI                        
CUSTOMER_SERVIC                        
CUSTOMER_SERVICE                      
INS SRVCS                              
INSURANCE                              
INSURANCE SRVC                        
LOCAL RANKING                          
PRIORITY MARKET                        
PRIVATE NAME                          
RENEWAL DEPT                          
RESEARCH CENTER                        
TELEMARKETER                          
TOLL FREE                              
TOLL FREE CALL                        
TOLL-FREE                              
TOLL-FREE  -                          
TOLL-FREE -                            
TOLL-FREE-                            
TOLL_FREE                              
TV RESEARCH                            
TV RESEARCH CO                        
VOIP CALLER                            





-- Ira
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