Hi,
Example SIP device1 and SIP device2 has registered with SIP server.
SIP server doesn't support multiple registrations (ie multiple SIP device
cannot be register with same user account)
Suppose SIP device3(which is not registered to SIP server) makes calls to SIP
device2 , ie SIP device3 sends INVITE message to SIP server using SIP device1
authentication information's (user name, password, realm), Authentication
succeed.
SIPdevice3 SIP server SIP
device2
---------INVITE--------------------------------->
<----------401------------------------------------
--------INVITE(valid authorization)------->
(Even though authentication success. SIP device3 is not registered earlier with
SIP server)
???
In this case whether SIP server should accept the call and send INVITE to SIP
device2 or reject the call by 403 since SIP device3 is not registered with SIP
server?
According to my understanding, Registration is mainly dealt with location
service. Ie SIP server uses registration to send INVITE to SIP device not
dealing with receiving INVITE from SIP device.
Please give your view on this.
Regards,
Karthic
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