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Asterisk PBX Configuration for Grandstream Phones
Note: Above configuration will allow user intercom with any extension (using 5XX) by
dialing *5XX.
2) One to Many Paging
[One_Way_Page_GROUP]
exten => _**1,1,SIPAddHeader(Call-Info: answer-after=0)
exten => _**1,2,Page(${One_Way_Paging_List}|)
exten => _**1,3, Hangup
Note: Above configuration will allow user to one way page(broadcast) to all the
extensions defined in variable “One_Way_Paging_List”, which can be define as
following:
One_Way_Paging_List => SIP/501&SIP/502/&SIP/503
3) One to Many Intercom
[Two_Way_Intercom_GROUP]
exten => _**2,1,SIPAddHeader(Call-Info: answer-after=0)
exten => _**2,2,Page(${Two_Way_Intercom_List}|d)
exten => _**2,3, Hangup
Note: Above configuration will allow user to do two way intercom to all the
extensions defined in variable “Two_Way_Intercom_List”, which can be define
as following:
Two_Way_Intercom_List => SIP/501&SIP/502/&SIP/503
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