first you have to get some experience on VoIP technologies, the protocols - H323/SIP.
Then you have to choose a protocol (H323 or SIP) that your network will work on (both are good, but SIP is more preferred for end-customers as a lot of VoIP phones and ATA gateways work merely with it).
The next things to choose are:
2. billing software
3. end-user devices (IP phones or SoHo VoIP gateways)
4. a VoIP provider/carrier that you will use to route your A-Z (A-Z --> provides a complete set of dialable destinations, so to say) calls to.
1. Introduction Internet security is important with the increasing
attacks that are happening every day. Many internet and browsing
security solutions exist, but some are not very easy to use or maybe the
question is how can I enable them? In this referen...
Cisco Software Manager Server API Guide This document describes the
programmatic interfaces, RESTful APIs, which are supported by Cisco
Software Manager Server (CSM Server). Overview CSM Server supports a set
of finite RESTful APIs. The first step to use ...
If you are using Cisco's new linux-based Cisco Software Manager server,
then you probably want to make sure there is a startup service for
it.I'll assume that you've already installed the CSM server on a
systemd-based linux system. The commands given belo...