[asterisk-users] IAX vs SIP trunks between Asterisk boxes

[Damon Estep]

In order to work around some authentication issues I am considering
connecting two asterisk boxes with IAX instead of SIP. The original
reason for choosing SIP was to reduce the need to translate SIP
signaling to IAX, since all origination, termination, and UAs are SIP.

 

Can anyone comment on the overhead added when a SIP call comes into one
asterisk box, is routed to another with IAX instead of SIP, and is then
sent to the UA from the second box with SIP?

 

DTMF passthrough issues?

 

Any other issues?

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