Cisco CME ATA187, MWI, and Register issues

I am at the tail end of setting up my Call Manager Express.  I am running CME version 9.0 on a 2911.  I have the following issues still to resolve:

The phones (SIP) keep trying to register with the SIP Trunk Registrar.  When I initially setup the trunk I had trouble with one way audio which was resolved by binding the dial peers to the WAN interface.

The phones keep jumping to not registered every few minutes and then will quickly register again.  I'm assuming this is because they are trying to register with the SIP Trunk.

To switch to the SIP Trunk I added an ATA187 for Fax.  No matter what I do I cannot get it to register.

I am using Exchange 2010 for Auto Attendant and Voicemail.  I cannot get the MWI to work.

I have attached a sanitized config.
RunningConfig-Sanitized.txt
IntegratedBizTechAsked:
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AkinsdNetwork AdministratorCommented:
It will not allow you to load it manually, it has to be loaded automatically.
Take a look at this site
http://pandaeatsbamboo.blogspot.com/2010/03/create-tftp-bindings-for-phone-firmware.html

V6(config)#tftp-server flash:cmterm-ata187-qed.9-2-3-1.cop.sgn
etc



Also, take a look at this thread

https://supportforums.cisco.com/thread/2190400

Also, try upgrading the ATA firmware, and configure the
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IntegratedBizTechAuthor Commented:
I was able to resolve the phones continually registering by adding back a global bind command under Voice Service Voip/ SIP, binding it to my internal interface.
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AkinsdNetwork AdministratorCommented:
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IntegratedBizTechAuthor Commented:
I am still having problem with the ATA registering.  If I go to the ip of the ATA the device information page says that it is registering and it does show the assigned DN.  It never gets past "Registering".

I looked at the articles you referenced but two of them reference Call Manager and I have Express.  The third references a UC500 which is similar and I do have the applicable lines of code referenced in there.  I have a feeling it has to do with the TFTP files I have in place.
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AkinsdNetwork AdministratorCommented:
You are correct about it being a tftp issue.
The ATA187 found the TFTP server.
It needs to download it's software from the tftp server as well as the configuration file to complete the registration.
Just make sure you have the ATA187 software available on the tftp server (which I presume is your cme router).

Take a look at this trend
https://supportforums.cisco.com/thread/2156016
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IntegratedBizTechAuthor Commented:
I verified the presence of the config file in tftp.  The current version showing on the ATA itself is 9.0.3.1 and the version of files I have in tftp are 9.2.3.1.  Could the version be causing the problem?
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AkinsdNetwork AdministratorCommented:
The problem is the phone is not downloading the software from the tftp server.

Check and confirm the following.
- You have configured option 150 on your dhcp server to point to the tftp server
- You have configured the tftp server to load the appropriate software for the ata187
- You manually created the cnf files
- You rebooted the ATA187

Run
show telephony-service tftp-bindings
to see if the right software is associated with the ATA187
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IntegratedBizTechAuthor Commented:
Keep in mind this is an ATA187 so it is SIP.
Option 150 is set to 10.10.10.1 the CME address
show telephony-service tftp-bindings shows the following for the ATA:
ATADefault.cnf.xml
show voice register tftp-bind shows:
SIPDefault.cnf
syncinfo.xml
ATA<MAC Address of ATA>.cnf.xml

I ran both telephony-service/ create cnf-files (I thought just for SCCP) and Voice Register Global/ create profile

And yes I rebooted it.
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AkinsdNetwork AdministratorCommented:
The phone communication is SIP (Session Initiation Protocol) but the phones have to get their software and configurations first before SIP kicks in.

The show telephony-service tftp-bindings shows that the ATA software is not loaded to tftp.

The file is in there but the tftp will not do anything with it until you tell it to.
Check the SIP endpoints also
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IntegratedBizTechAuthor Commented:
I have the load ATA-187 ATA187.9-2-3-1 command under voice register global.  It won't allow loading it under telephony-service, only sccp phone types in there.

I have the tftp-server flash:ATA187/ATA187.9-2-3-1.loads alias ATA187.9-2-3-1.loads command in there as well.

I ran an upgrade and apply-config but it still doesn't successfully register.
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IntegratedBizTechAuthor Commented:
I had cmterm-ata187-qed.9-2-3-1.cop.sgn in the tftp-server section but had deleted it from the flash when I was trying different combinations of load files.  Once I added it back the ATA registered fine.
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AkinsdNetwork AdministratorCommented:
Great catch!
Thanks
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