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New Contributor II

3140 ESBC Mitel SIP Trunk - SIP Refresh

I have a customer who has a Mitel PBX that I am providing a SIP trunk to (I am the Service Provider).  He is requesting that we only send refresh messages and not RE-Invites.  I am not sure what he's talking about, however, I am guessing SIP-KEEP-ALIVE maybe?  What SIP method is used by the info and options command?

I really don't see a problem with calls here yet.  There are some complaints of early disconnects but when we look at SS7 information in our network we usually see a call disconnected from the other end.

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