IP sets at remote site won't register to primary call server after upgrading system to 7.65

[iamstressd]

We have 6 IP sets at a remote site that won't register to the main call server after we upgraded to release 7.65. They say "Redirecting" then "GK Unreachable" then Local Mode.
The main site is a CPMG123 and the alternate site is a CP-PM. What are some things I can check to figure out what has changed or how we can fix this?

 

[Johnthephoneguy]

Are other phones at the same site registered?

S1 S2 correct?

Tn's have to match at local and at main.

JohnThePhoneGuy

"If I can't fix it, it's not broke!

 

[bignose21]

When you say you have 6 sets at the remote site is that the total number of sets or are there others working?