The customer has Spark licensing, A-SPK-EMP-COUNT,  and wants to use Extend and Connect for Jabber.Call Manager is on 11.5. Extend and Connect calls for UCL, or CUWL licensing. Is it necessary to purchase UCL, or CUWL licensing in order to implement ...

My customer wants to go from 4 PRIs, to 8 PRIs in both their 3825 routers. Does the RAM need to be upgraded?                  

Can a 3640 do MLPPP across multiple NMs? My customer wants to up his Internet from 3, to 6MB. I need to know if the 3640 will allow MLPPP accross 2 NM slots. Thanks.

How do I see DS-1 bandwith utilization on a 1720 serial int? I don't know which IOS, but it is at least 12.X

Customer has 3810 at the head end with T-1 frame and MFT to the KSU. Customer has 2620 at the remote site with T-1 frame and MFT to the same kind of KSU. Regular (seven digit) calls go through, but four digit calls do not. I'm new to this customer....