Below you'll find a list of all posts that have been tagged as “VoIP”
When you have to protect your VoIP CallManager in a secure zone of your lan you have to face two problem: SIP and NAT. In our case we handle voip sessions through firewall by configuring an ACL with TCP/UDP port_set. For internal resources, we don’t use NAT mode, here you have the ports from phones to CM: Destinaton port Description …
It is sometimes possible to meet a multi-vendor and multi-client environment. For VoIP networks is not good but happen. A Network Admin can automate switch configuration in order to not provide the configuration of each individual phone and allow the voip team to install the devices by themselves. In this example we have an HP A5130 switch a CISCO IP …
Installing a PBX in your company represents a technological evolution that allows you to dynamically expand your voice services.But this evolution must be managed, maintained and secured. Because of a lack of security, malicious attacks on PBX plants can block a company’s voice services. Below you will find a list of activities to follow to avoid as much as possible …
First of all, three commands to survive of the first impact Aruba/HPE switches: show run structured organize the running configuration in Cisco/Huawei style.debug event enable basic events.debug destination session term mon Cisco style. .glitchlist crew