Hi there, I currently have multiple Asterisk servers using Sangoma A104d Quad ISDN E1s.
Basically our telco is presenting calls in order of the ISDNs on our servers. SERVER1=1,2,3,4 SERVER2=5,6,7,8 We have redundancy in that if SERVER1 is shutdown then each ISDN PRI is in alarm and the calls will then presented to PRIs 5,6,7,8 on SERVER2. If I have to take SERVER1 offline for maintenance (asterisk -rx shutdown gracefully) any incoming calls receive a BUSY tone. What I would like to know is if there is anyway to get around this and not send a BUSY back to our callers and somehow allow our telco to present calls immediately to SERVER2. Anyone have any ideas or are we stuck with this behaviour until the calls drop to 0 and Asterisk shuts down ? Thanks, Andrew
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