well, I am not using this phone "behind" the router, my ShoreTel phone system and phones on the same network (I am using IT in a box router (not sure if this could be a problem but I don’t see how) and 3524-PWR-XL-EN switch) as I went on ShoreTel website I noticed that original ShoreTel IP phones using MGCP protocol. So I upgrade my Cisco 7960 to MGCP 4.0 and still not working. I am stunned how complicated it is done either by ShoreTel or Cisco. And upgrading Cisco phone to new firmware just $#$^%* hard, never worked as they stated on the site, never could upgrade to new 7.4 ver.
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by: egarrisonPosted on 2005-03-20 at 18:32:15ID: 13588207
I have not worked with ShortTel, but the provisioning setting for most VoIP services are the same.
What SIP firmware load are you using?
Can you post your config file here.
Are you getting any other errors? The dial tone is generated by the phone, not a PBX. FYI, I don't know what type router you are behind. I tried for a week to get a 7960 to work behind an older Linsys router for a home use. One of the orignal blue linksys and it just would not work. Put a brand new Linksys 54g router in front and it all worked fine.
Eric