Mitel Forums - The Unofficial Source
Mitel Forums => Mitel MiVoice Business/MCD/3300 => Topic started by: MitelUK2010 on April 24, 2015, 03:35:25 PM
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Hi looking to see if anyone could either provide me a working SIP peer profile for connecting Mitel to Asterisk. I have the link up and inbound calls from Asterisk to Mitel work, outbound i get a "420 bad extension" - when i look i see a 100rel unsupported in the packet capture.
Any pointers would be appreciated.
Thanks
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Try setting 'Disable Reliable Provisional Responses' to Yes under Signaling and Header Manipulation tab on the SIP Peer.