Popular Articles
Setting up a Grandstream GXW-4104 or 4108 to integrate POTS lines to a Protel PBX
Protel LTS premise PBX systems are not manufactured with analog telephone ports built in to the PBX I/O, though we do offer built-in PRI capability as an optional add-on. If you want to connect standard legacy telephone lines (POTS) to a Protel ...
Selective caller ID using a prefix dial code
Protel v5 PBX systems have the ability for selected extension users to choose the caller ID number that their outbound call will present. This feature is only available on Protel systems that have the optional "CallerIDSelection" plugin installed. ...
Using Wireshark
by Ben Logan Network Technician WIlkes Communications, Inc Wilkesboro, NC With voice quality issues, where you get the capture from is critical. Let's say there's a PBX at point A, switches at points B and C and the problematic phone is point D. ...
Actiontec DSL modem/router - Transparent Bridging mode
If you are placing a Protel PBX behind a NAT router that is connecting to the internet via a DSL connection, you will need to disable the NAT functions of the DSL modem/router. If NAT is not disabled, you will very likely not be able to register ...
How to Manually Provision a Grandstream Phone
Before you begin: Your phone needs to be powered up and connected to a Local Area Network (LAN) that is able to connect to the internet. Your computer needs to be on the same LAN as the phone. 1. Find the IP address of the phone. Press the ...