Phone Costs

IST Prices* listed can change without prior notice. Installation prices are subject to additional costs associated with conduit or infrastructure.

PBX Analog Line

  One Time Cost Monthly Cost

Cortelco Colleague Phone, Model#2210



PBX Analog Line




PBX Digital Line

  One Time Cost Monthly Cost

Avaya Standard Phone, Model#9404



Avaya Executive Phone, Model#9408)



PBX Digital Line


$ 32.97

Voice Mail Options

  One Time Cost Monthly Cost
Unified Messaging    $0.00
Unified Messaging Extension    $0.00


Treatment Codes

Calling Area Limitations

  • Campus
  • Local (near Berkeley area codes 510, 415, 650, 925)
  • California
  • US, Canada and Mexico
  • No Restrictions

*IST Prices are valid as of 10/1/2022