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Configuring Cisco SPA122 to be used with a 56K modem
Introduction We will take on the configuration from the last post where I showed how to configur...
Getting an Spanish SIP number from Flash Telecom and using it for dial-up connectivity
Introduction In preparation for another lab (Configuring a modem on the AUX port of a Cisco rout...
What is the Cisco SPA122 ATA with Router?
The Cisco SPA122 ATA with Router combines VoIP services with an internal router for LAN connect...
Cisco SPA122 factory reset and initial setup
Introduction For this lab I am using a Cisco SPA122 device I bought on Wallapop (the product is ...
Configuring Cisco SPA122 to be used with a landline phone [O2 Spain]
Introduction I have the current situation at home: However, due to some needs, I needed to re...
What is an ATA (Analog Telephone Adapter?
An analog telephone adapter (ATA) or foreign exchange station (FXS) gateway, is a device for conn...
Carrying VoIP from bridge-mode HGU (Movistar) to pfSense
Introduction An HGU (which is a device that integrates ONT and router) from Movistar has been ch...
Askey RTF3505VW-GV - Docs
TechInfoDepot - Technical Documentationhttps://techinfodepot.shoutwiki.com/wiki/Askey_RTF3505VW-G...
How to access Movistar/O2 HGU GUI from pfSense
Introduction Beginning with the following topology: With the Movistar HGU router configured i...
Reverse telnet theory + practical example
When a user telnets to a router, he is “logged on” directly to the router. Cisco adds a special t...
Using a dial-up modem on Windows 98
Introduction This is a follow-up article to installing a US Robotics 56K Faxmodem on Windows 98....
Advanced US Robotics 56K modem configuration via AT commands
Introduction The Hayes command set (also known as the AT command set) is a specific command lang...
OSPF lab
The goal is to investigate OSPF and its core features in preparation for the CCNA exam. The top...
Catalyst 9300 Series - Upgrade Process
ROMMON ROMMON, also known as the boot loader, is firmware that runs when the device is powered u...
Deploy the 2500 Series Wireless Controller
Introduction The Cisco 2500 Series Wireless Controller supports a maximum of 50 lightweight APs ...
Reset WLC 2504 to factory defaults
Via recover-config command Connect a console cable to a workstation Power on the WLC Wait un...
Information Reference
Getting Started Guide - Cisco Unified Communications 500 Serieshttps://community.cisco.com/legacy...
Information Reference
Configuration Files for Phoneshttps://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucme/admin/con...
Information Reference
Cisco ASA 5500-X Series Firewallshttps://www.cisco.com/c/en/us/support/security/asa-5500-series-n...
Information Reference
https://www.cisco.com/c/en/us/support/routers/1000-series-integrated-services-routers-isr/series....