Unity Server could be optional, at least you need Autoattendent or Voice mail or Unitfied message
Two CCM backup each other will be a good solution.
End stations:
7940, good for normal user,
7960 +7914 good for recepitionist
7935 conference phone
7910 lobby phone
Toll bypass can be done by using IPsoftphone+ VPN (IPsec or other, support both Micosoft PPTP or Cisco VPN 3005)
Product list for one office
Voice Gateway:
2651xm with voice module
2x Cisco manager 4.0
1x unity server 4.0
xx IP phone
CME is not a very good solution, only good for <100 users.
I dont recommend you use Cisco IP phone with other server. A lot problems will be involve
Two CCM backup each other will be a good solution.
End stations:
7940, good for normal user,
7960 +7914 good for recepitionist
7935 conference phone
7910 lobby phone
Toll bypass can be done by using IPsoftphone+ VPN (IPsec or other, support both Micosoft PPTP or Cisco VPN 3005)
Product list for one office
Voice Gateway:
2651xm with voice module
2x Cisco manager 4.0
1x unity server 4.0
xx IP phone
CME is not a very good solution, only good for <100 users.
I dont recommend you use Cisco IP phone with other server. A lot problems will be involve