Paging with IP Phones on the NEC SL2100

This Tech Tip covers the difference between multicast and unicast paging over NEC SL2100 IP phones.

Often NEC SL1100 and SL2100 phone systems are assigned a static IP address on a DHCP network.  Without proper configuration this can lead to a scenario where other devices are sharing the same IP address as the phone system. This leads to IP conflicts and unpredictable behavior.

This Tech Tip demonstrates how to make all phones ring, then overflow and be answered by the Part Time InMail Auto-Attendant, 24 hours a day, 7 days a week. This tip applies to the NEC SL2100 and NEC SL1100 Phone Systems.

This Tech Tip demonstrates how to install, troubleshoot, and re-register the NEC DECT Cordless Phone.

This Tech Tip demonstrates the two ways to upload a license file to the NEC SL2100 phone system. Example 1 uses PCPro and example 2 uses WebPro.

This Tech Tip demonstrates how to program all phones to ring, then overflow and be answered by the Part Time InMail Auto-Attendant during the day and play a separate greeting at night by utilizing a Manual Night Function Key via a Virtual Extension. This tip applies to the NEC SL2100…

Toll restrictions will allow or prevent certain numbers from being dialed out. This Tech Tip demonstrates how to apply a toll restriction class per extension. This tip applies to the NEC SL2100 and NEC SL1100 Phone Systems.

Wireshark allows you to capture and analyze VoIP network traffic and packet data from the NEC SL2100 and SL1100. This is a must-read for installers working with or troubleshooting VoIP issues.

Calibrating and Conditioning your analog CO (POTS) Lines is a helpful step to eliminate any potential complications with the analog trunk lines that could hinder the quality of a call.