auth_b2b application This module is a pure B2BUA application that does an identity change and authenticates on the second leg of the call, like this Caller SEMS auth_b2b 123@domainb | | | | INVITE bob@domaina | | | From: alice@domaina | | | To: bob@domaina | | | P-App-Param:u=user;d=domainb;p=passwd | |-------------------->| | | |INVITE bob@domainb | | |From: user@domainb | | |To: bob@domainb | | |----------------------->| | | | | | 407 auth required | | |<---------------------- | | | | | | | | | INVITE w/ auth | | |----------------------->| | | | | | 100 trying | | 100 trying |<---------------------- | |<--------------------| | | | | | | 200 OK | | 200 OK |<---------------------- | |<--------------------| | | | | | ACK | | |-------------------->| ACK | | |----------------------->| App-Param: u - user in B leg d - domain in B leg p - password for auth in B leg (auth user=user)