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User Guides and Videos

Resources to Save You Time

Our training videos and self-help user guides are designed to save you time. Common issues are addressed in explanatory short videos or concise how-to documents below.

Customers for whom we’ve recently installed a premise-based phone system are covered during the one-year warranty period with unlimited support and training. Customers with a Telephone Maintenance Agreement, and all our Cloud Phone Service customers, receive many kinds of support at no additional charge. All customers are encouraged to try the user guides below.

Example Training Video (Transferring a Call to Voicemail)

Telephone User Guides and Videos

Cloud Phone System User Guides
  • Yealink T20 User Guide
  • Yealink T26 User Guide
  • Yealink T42 Quick Start Guide
  • Yealink T42 Comprehensive User Manual
NEC SV9100/SV8100 System Video Guides for phones with DESI labels

Video guides below cover these tasks:

  • Changing a Name
  • Putting Someone on Hold
  • Putting a Call on Park
  • Transferring to Voicemail
  • How to Make a Call Using Redial
  • How to Adjust the Ring Volume
  • How to Use Do Not Disturb
  • Keys and Buttons
  • How to Disable Headset Ring
  • A Cat Turning Off Headset Ring

(if your phone doesn’t look like this, see next section)

Changing the Name on Your Phone Display

Putting Someone on Hold

Putting a Call on Park

Transferring to Voicemail

How to Make a Call Using Redial

How to Adjust the Ring Volume

How to Use Do Not Disturb

Keys and Buttons

How to Disable Headset Ring

A Cat Turning Off Headset Ring

NEC System User Guides (SL2100, SV9100, SV8100)

SL2100 System (digital and SIP trunks)

  • SL2100 Interactive User Guide (requires Adobe Flash)
  • SL2100 User Guide for 12-button phones with OUT & PARK keys
  • SL2100 User Guide for 12-button phones with line keys
  • SL2100 InMail Voicemail System User Guide
  • SL2100 InMail Voicemail System Admin Guide
  • SL2100 How to program display names 

SV9100 System (models S, E, CP10 and CP20)

  • SV9100 User Guide for 12- and 24-button phones with CAP & PARK keys
  • SV9100 User Guide for 12- and 24-button phones with line keys
  • SV9100 How to forward calls
  • SV9100 How to program function keys
  • SV9100 How to change the time
  • SV9100 How to program display names 

SV8100 System

  • SV8100 User Guide for 12- and 24-button phones with CAP & PARK keys
  • SV8100 User Guide for 12- and 24-button phones with line keys
  • SV8100 How to forward calls
  • SV8100 How to program function keys
  • SV8100 How to change the time
  • SV8100 How to program display names 
Note: Your phone system programming was customized at the time of installation. If your phone doesn’t respond as expected when you follow one of these guides, that may be the reason. In that case, simply contact us for support!
NEC Aspire, UX5000 and i-Series Telephone Systems

Have an older system? Alternative Technologies takes pride in our ability to keep older systems running smoothly long beyond the “end of life” date determined by the manufacturer. If you have a system we installed between 5 and 15 years ago, congratulations – you’ve definitely  gotten your money’s worth!  

We will continue to service your older phone system for as long as we possibly can, with maintenance, troubleshooting and replacement parts, including telephones. 

Contact us for user materials for your older system. If you’re ready to talk about something new, including moving to the cloud and saving on carrier costs, we’re here for you.

Fraud Prevention

Telephone systems, like most technology, have security vulnerabilities too. Download and share this document with your staff.

  • Best Practices to Mitigate Risk of Telecom Fraud

Alternative Technologies

1050 Heinz Avenue
Berkeley, CA 94710
Phone 510-848-4411

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