[cisco-voip] CUBE and LTI for MTPs

[Anthony Holloway]

All,

I know the name itself, LTI, includes the word transcoding, but I'm just
double checking that this will or will not work for registering an MTP on
the CUBE.  All roads are leading me to the answer, but it just seems like a
huge miss on Cisco's part to not allow us to register MTPs as well as XCODE
via the LTI method.

This works for me:
dspfarm profile 1 transcode
 codec g711ulaw
 codec g729ar8
 max sessions 1
 assoc app cube
 no shut
!

This does not work for me (it hangs on associating to cube app):
dapfarm profile 2 mtp
 codec g711ulaw
 max sessions software 1
 assoc app cube
 no shut
!

I have the required dspfarm and mode border-element commands, and rebooted
after as well.

Seems like with the standard requirement of rfc2833 on SIP trunks to the
ITPS, and CTI apps in the network (I'm looking at you UCCX), MTPs play a
large role in the success of SIP trunking for customers, and yet I cannot
even register them locally with the LTI.

I do have a fallback plan, so I'm not stuck.  I'm just looking for the
optimal design scenario.  In my order of preference I would like to go:

1. LTI
2. SCCP via Telephony Service
3. SCCP via CUCM

Would you rank them differently?

Thanks for your input in advance.
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