AMTMitelCRE and MBG: SIP trunks settings required

[Belinda Frick]

On the older MBG versions there was issues with calls cutting due to Mitel TUG crashing when SIP trunks was used.

The following setting must be enabled by the pabx tegnician for all SIP Peer groups:

Configure the primary sip peer with the following:
Set 'Repeat SDP Answer If Duplicate Offer Is Received' to Yes...